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Guru Khalsa

Assistant Professor

University of North Texas

Department of Physics

Email: Guru.Khalsa@unt.edu

Education

  • PhD, University of Texas at Austin, 2013
    Major: Physics

Professional Memberships

  • Society for Advancement of Chicanos and Native Americans in Science. (February 1, 2024 - Present).
  • Materials Research Society. (2018 - Present).
  • Americal Physics Society. (2006 - Present).

Development Activities

  • Workshop, Effective Mentoring, American Physical Society. United States of America. (November 1, 2023).
  • Continuing Education Program, Adapting to Innovation (AI), Texas Higher Education Coordinating Board. United States of America. (June 2024 - August 2024).

Teaching

Teaching Experience

    University of North Texas

  • PHYS 1270 - Science and Technology of Musical Sound, 1 course.
  • PHYS 2900 - Special Problems, 1 course.
  • PHYS 3510 - Physics, Computation and Software Applications, 3 courses.
  • PHYS 4500 - Introduction to Solid State Physics, 2 courses.
  • PHYS 4950 - Senior Thesis, 2 courses.
  • PHYS 4955 - Senior Thesis Capstone, 1 course.
  • PHYS 5450 - Survey of Solid State Physics, 2 courses.
  • PHYS 5900 - Special Problems, 1 course.
  • PHYS 5910 - Special Problems, 4 courses.
  • PHYS 6940 - Individual Research, 5 courses.

Directed Student Learning

  • Dissertation Committee Member, "Physics of DPALs: Developing a Powerful Tool for Quantum Optics, Laser Physics, Spectroscopy, and Applications," Physics. (2026).
  • Dissertation Committee Member, Physics. (2025).
  • Dissertation Committee Member, "Engineering the intrinsic properties of bolometric materials for IR application," Physics. (2025).
  • Dissertation Committee Member, "Nonlinear Optical Properties of GaAs Metasurfaces Through Group Theory Inverse Design of Meta-Atoms," Physics. (2025).
  • Dissertation Committee Member, "QUANTIFICATION OF LIGHT ELEMENTS WITH PARTICLE INDUCED X-RAY EMISSION UTILIZING A HALBACH MAGNETIC DEFLECTION SYSTEM," Physics. (2025).
  • Dissertation Committee Member, "From Signals to Networks: Visibility Graphs for Complexity in Biological processes," Physics. (2025).
  • Dissertation Committee Member, "MODIFICATION OF COMPOSITIONAL, STRUCTURAL, AND ELECTRICAL PROPERTIES OF THE SURFACE LAYERS OF SEMICONDUCTOR USING ION BEAM IRRADIATION TECHNIQUES," Physics. (2025).
  • Directed Individual/Independent Study, Physics. (2024).
  • Dissertation Committee Member, "Temporally and Spectrally Driven Complex Systems," Physics. (2024).
  • Dissertation Committee Member, "Computational Physics Modeling of Catalysis," Physics. (2024).
  • Supervised Research, Physics. (2024).
  • Postdoctoral Research Supervision, "Condensed Matter Physics Research," Physics. (2023).
  • Directed Individual/Independent Study, "Theoretical Condensed Matter and Computational Physics Orientation and Research," Physics. (October 2023 - December 2025).
  • Directed Individual/Independent Study, "Theoretical Condensed Matter and Computational Physics Orientation and Research," Physics. (October 2024 - May 2025).

Awards and Honors

  • Best Oral Presentation Award for “An Epitaxial GaN/NbN Heterostructure Exhibiting Concurrent Superconductivity and Quantum Hall Effect” Science Advances, Vol. 7, no. 8, eabf1388 (2021) at the 2021 MRS Spring Meeting, presented by Ph.D. student Phillip Dang., 2021 Materials Research Society Spring Meeting. (April 22, 2021).
  • Ed Nicollian Award awarded for “Electronic properties of epitaxial NbN/GaN interfaces” Science Advances Vol. 7, no. 52, eabi5833 (2021) at the 51st IEEE Semiconductor Interface Specialists Conference, San Diego, CA, with Ph.D. student John Wright., 51st IEEE Semiconductor Interface Specialists Conference. (December 8, 2020).
  • A+ Teaching Award, Cornell Dancers Alliance Awards. (May 5, 2020).
  • Best Poster for “Ultrafast optical control of magnetic phase in GdTiO3 from first principles.” The 53rd Course of the International School of Crystallography, Magnetic Crystallography, Erice, Italy., The 53rd Course of the International School of Crystallography, Magnetic Crystallography. (June 7, 2019).
  • La Prix La Recherche – Physique for “Récompensant des travaux d'une grande diversité portés avec enthousiasme... [Rewarding work of great diversity carried out with enthusiasm…]” for “Neuromorphic computing with nanoscale spintronic oscillators," Nature 547, 428–431 (2017) in the category of Physics., La Recherche. (January 31, 2018).
  • National Research Council Postdoctoral Fellow, National Institute of Standards and Technology. (August 1, 2013).

Research

Published Intellectual Contributions

    Book Chapter

  • Riou, M., Torrejon, J., Abreu Araujo, F., Tsunegi, S., Khalsa, G., Querlioz, D., Bortolotti, P., Leroux, N., Marković, D., Cros, V., Yakushiji, K., Fukushima, A., Kubota, H., Yuasa, S., Stiles, M.D., Grollier, J. (2021). Reservoir Computing Leveraging the Transient Non-linear Dynamics of Spin-Torque Nano-Oscillators. Natural Computing Series. 307-329. Springer Singapore. https://doi.org/10.1007/978-981-13-1687-6_13

    • Conference Proceeding

  • Zheng, J., Khalsa, G., Moses, J. (2024). Phonon-dressed third-harmonic generation in diamond. Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII. 48. SPIE. https://doi.org/10.1117/12.3007719
  • Zheng, J., Khalsa, G., Moses, J. (2023). Phonon-Dressed Third-harmonic Generation in Diamond. Optica Nonlinear Optics Topical Meeting 2023. Th1B.6. Optica Publishing Group. https://doi.org/10.1364/nlo.2023.th1b.6
  • Khalsa, G., Benedek, N.A., Moses, J. (2022). Giant Optical Nonlinearities and Ultrafast Control of Optical Symmetry via IR-Resonant Raman Scattering. The International Conference on Ultrafast Phenomena (UP) 2022. W3A.1. Optica Publishing Group. https://doi.org/10.1364/up.2022.w3a.1
  • Zheng, J., Khalsa, G., Benedek, N.A., Moses, J. (2022). Two-pulse enabled coherent control of structural dynamics. The International Conference on Ultrafast Phenomena (UP) 2022. W4A.20. Optica Publishing Group. https://doi.org/10.1364/up.2022.w4a.20
  • Khalsa, G., Zheng, J., Benedek, N.A., Moses, J., Schunemann, P.G., Petrov, V. (2022). Giant Raman shifting susceptibilities via infrared-resonant scattering. Nonlinear Frequency Generation and Conversion: Materials and Devices XXI. 7. SPIE. https://doi.org/10.1117/12.2614037
  • Khalsa, G., Benedek, N.A., Moses, J. (2021). Giant Optical Nonlinearities via Infrared-Resonant Raman Scattering. OSA Nonlinear Optics 2021. NF2B.4. Optica Publishing Group. https://doi.org/10.1364/nlo.2021.nf2b.4
  • Zhang, Y.F., Liu, M.B., Khalsa, G., Jena, D., Xing, H.G. (2020). A Tight-Binding Model for Gallium Oxide: The Newest Ultra Wide-Bandgap Semiconductor. 2020 IEEE MIT Undergraduate Research Technology Conference (URTC). 1-4. IEEE. https://doi.org/10.1109/urtc51696.2020.9668854
  • Katzer, D.S., Nepal, N., Hardy, M.T., Downey, B.P., Storm, D.F., Jin, E.N., Meyer, D.J., Yan, R., Khalsa, G., Wright, J., Xing, H., Jena, D. (2019). Molecular Beam Epitaxy of Transition Metal Nitrides for Superconducting Device Applications. 2019 Compound Semiconductor Week (CSW). 1-1. IEEE. https://doi.org/10.1109/iciprm.2019.8819351
  • Grollier, J., Torrejon, J., Riou, M., Cros, V., Querlioz, D., Tsunegi, S., Fukushima, A., Kubota, H., Yuasa, S., Stiles, M.D., Khalsa, G., Drouhin, H., Wegrowe, J., Razeghi, M. (2016). Superparamagnetic tunnel junctions for bio-inspired computing (Conference Presentation). Spintronics IX. 22. SPIE. https://doi.org/10.1117/12.2236990

    • Journal Article

  • Li, S.J., Khalsa, G., Kaaret, J.Z., Benedek, N.A. (2025). Understanding long-lived metastable phases in ultrafast optical experiments. Other. 11 (1) Springer Science and Business Media LLC. https://doi.org/10.1038/s41535-025-00833-9
  • He, Z., Khalsa, G. (2025). A light switch for a hidden order. Science. 390 (6769) 131-131. American Association for the Advancement of Science (AAAS). https://doi.org/10.1126/science.aeb8208
  • Baydin, A., Luo, J., He, Z., Doumani, J., Lin, T., Tay, F., He, J., Zhou, J., Khalsa, G., Kono, J., Zhu, H. (2025). Lattice-induced spin dynamics in Dirac magnet CoTiO3. Journal of Applied Physics. 138 143905. https://pubs.aip.org/aip/jap/article/138/14/143905/3367201/Lattice-induced-spin-dynamics-in-Dirac-magnet
  • Gollwitzer, J., Kaaret, J.Z., Suyolcu, Y.E., Khalsa, G., Fernandes, R.C., Gorobtsov, O., Buchenau, S., You, C., Higgins, J., Russell, R.S., Shao, Z., Birkhölzer, Y.A., Sato, T., Chollet, M., Coslovich, G., Brützam, M., Guguschev, C., Harter, J.W., Disa, A.S., Schlom, D.G., Benedek, N.A., Singer, A. (2025). Picosecond Expansion in LaAlO3 Resonantly Driven by Infrared-Active Phonons. Physical Review Letters. 135 (11) American Physical Society (APS). https://doi.org/10.1103/vzkw-n2bm
  • He, Z., Khalsa, G. (2024). Optical control of ferroaxial order. Other. 6 (4) American Physical Society (APS). https://doi.org/10.1103/physrevresearch.6.043220
  • Savant, C.P., Verma, A., Nguyen, T., van Deurzen, L., Chen, Y., He, Z., Rezaie, S.S., Gollwitzer, J., Gregory, B., Sarker, S., Ruff, J., Khalsa, G., Singer, A., Muller, D.A., Xing, H.G., Jena, D., Casamento, J. (2024). Self-activated epitaxial growth of ScN films from molecular nitrogen at low temperatures. APL Materials. 12 (11) AIP Publishing. https://doi.org/10.1063/5.0222995
  • Zheng, J., Khalsa, G., Moses, J. (2024). Phonon-mediated third-harmonic generation in diamond. Other. 22 (1) American Physical Society (APS). https://doi.org/10.1103/PhysRevApplied.22.014066
  • Verma, A., Golež, D., Gorobtsov, O.Y., Kaj, K., Russell, R., Kaaret, J.Z., Lamb, E., Khalsa, G., Nair, H.P., Sun, Y., Bouck, R., Schreiber, N., Ruf, J.P., Ramaprasad, V., Kubota, Y., Togashi, T., Stoica, V.A., Padmanabhan, H., Freeland, J.W., Benedek, N.A., Shpyrko, O.G., Harter, J.W., Averitt, R.D., Schlom, D.G., Shen, K.M., Millis, A.J., Singer, A. (2024). Picosecond volume expansion drives a later-time insulator–metal transition in a nano-textured Mott insulator. Other. 20 (5) 807-814. Springer Science and Business Media LLC. https://doi.org/10.1038/s41567-024-02396-1
  • Khalsa, G., Kaaret, J.Z., Benedek, N.A. (2024). Coherent control of the translational and point group symmetries of crystals with light. Physical Review B. 109 (2) American Physical Society (APS). https://doi.org/10.1103/physrevb.109.024110
  • Zhang, Y., Liu, M., Jena, D., Khalsa, G. (2022). Tight-binding band structure of β- and α-phase Ga2O3 and Al2O3. Journal of Applied Physics. https://doi.org/10.1063/5.0074598
  • Kaaret, J.Z., Khalsa, G., Benedek, N.A. (2022). A strategy to identify materials exhibiting a large nonlinear phononics response: tuning the ultrafast structural response of LaAlO3 with pressure. Journal of Physics: Condensed Matter. 34 (3) 035402. IOP Publishing. https://doi.org/10.1088/1361-648x/ac3038
  • Mallick, S., Khalsa, G., Kaaret, J.Z., Zhang, W., Batuk, M., Gibbs, A.S., Hadermann, J., Halasyamani, P.S., Benedek, N.A., Hayward, M.A. (2021). The influence of the 6s2 configuration of Bi3+ on the structures of A′BiNb2O7(A′ = Rb, Na, Li) layered perovskite oxides. Dalton Transactions. 50 (42) 15359-15369. Royal Society of Chemistry (RSC). https://doi.org/10.1039/d1dt02974f
  • Yu, T., Wright, J., Khalsa, G., Pamuk, B., Chang, C.S., Matveyev, Y., Wang, X., Schmitt, T., Feng, D., Muller, D.A., Xing, H.G., Jena, D., Strocov, V.N. (2021). Momentum-resolved electronic structure and band offsets in an epitaxial NbN/GaN superconductor/semiconductor heterojunction. Science Advances. 7 (52) American Association for the Advancement of Science (AAAS). https://doi.org/10.1126/sciadv.abi5833
  • Lei, C., Khalsa, G., Du, J., MacDonald, A.H. (2021). Majorana zero modes in a cylindrical semiconductor quantum wire. Physical Review B. 104 (3) American Physical Society (APS). https://doi.org/10.1103/physrevb.104.035426
  • Olsson, K.S., Choe, J., Rodriguez-Vega, M., Khalsa, G., Benedek, N.A., He, J., Fang, B., Zhou, J., Fiete, G.A., Li, X. (2021). Spin-phonon interaction in yttrium iron garnet. Physical Review B. 104 (2) American Physical Society (APS). https://doi.org/10.1103/physrevb.104.l020401
  • Khalsa, G., Benedek, N.A., Moses, J. (2021). Ultrafast Control of Material Optical Properties via the Infrared Resonant Raman Effect. Physical Review X. 11 (2) American Physical Society (APS). https://doi.org/10.1103/physrevx.11.021067
  • Wright, J., Chang, C., Waters, D., Lüpke, F., Feenstra, R., Raymond, L., Koscica, R., Khalsa, G., Muller, D., Xing, H.G., Jena, D. (2021). Unexplored MBE growth mode reveals new properties of superconducting NbN. Other. 5 (2) American Physical Society (APS). https://doi.org/10.1103/physrevmaterials.5.024802
  • Dang, P., Khalsa, G., Chang, C.S., Katzer, D.S., Nepal, N., Downey, B.P., Wheeler, V.D., Suslov, A., Xie, A., Beam, E., Cao, Y., Lee, C., Muller, D.A., Xing, H.G., Meyer, D.J., Jena, D. (2021). An all-epitaxial nitride heterostructure with concurrent quantum Hall effect and superconductivity. Science Advances. 7 (8) American Association for the Advancement of Science (AAAS). https://doi.org/10.1126/sciadv.abf1388
  • Katzer, D.S., Nepal, N., Hardy, M.T., Downey, B.P., Storm, D.F., Jin, E.N., Yan, R., Khalsa, G., Wright, J., Lang, A.C., Growden, T.A., Gokhale, V., Wheeler, V.D., Kramer, A.R., Yater, J.E., Xing, H.G., Jena, D., Meyer, D.J. (2020). Molecular Beam Epitaxy of Transition Metal Nitrides for Superconducting Device Applications. Physica Status Solidi (a). 217 (3) Wiley. https://doi.org/10.1002/pssa.202070014
  • Riou, M., Araujo, F., Torrejon, J., Tsunegi, S., Khalsa, G., Querlioz, D., Bortolotti, P., Cros, V., Yakushiji, K., Fukushima, A., Kubota, H., Yuasa, S., Stiles, M., Grollier, J. (2019). Neuromorphic Computing through Time-Multiplexing with a Spin-Torque Nano-Oscillator .... https://dx.doi.org/10.48550/arxiv.1904.11236
  • Mei, A.B., Miao, L., Wahila, M.J., Khalsa, G., Wang, Z., Barone, M., Schreiber, N.J., Noskin, L.E., Paik, H., Tiwald, T.E., Zheng, Q., Haasch, R.T., Sangiovanni, D.G., Piper, L.F., Schlom, D.G. (2019). Adsorption-controlled growth and properties of epitaxial SnO films. Other. 3 (10) American Physical Society (APS). https://doi.org/10.1103/physrevmaterials.3.105202
  • Jena, D., Page, R., Casamento, J., Dang, P., Singhal, J., Zhang, Z., Wright, J., Khalsa, G., Cho, Y., Xing, H.G. (2019). The new nitrides: layered, ferroelectric, magnetic, metallic and superconducting nitrides to boost the GaN photonics and electronics eco-system. Japanese Journal of Applied Physics. 58 (SC) SC0801. IOP Publishing. https://doi.org/10.7567/1347-4065/ab147b
  • Yan, R., Khalsa, G., Schaefer, B.T., Jarjour, A., Rouvimov, S., Nowack, K.C., Xing, H.G., Jena, D. (2019). Thickness dependence of superconductivity in ultrathin NbS2. Other. 12 (2) 023008. IOP Publishing. https://doi.org/10.7567/1882-0786/aaff89
  • Zhu, T., Khalsa, G., Havas, D.M., Gibbs, A.S., Zhang, W., Halasyamani, P.S., Benedek, N.A., Hayward, M.A. (2018). Cation Exchange as a Mechanism To Engineer Polarity in Layered Perovskites. Chemistry of Materials. 30 (24) 8915-8924. American Chemical Society (ACS). https://doi.org/10.1021/acs.chemmater.8b04136
  • Yan, R., Khalsa, G., Vishwanath, S., Han, Y., Wright, J., Rouvimov, S., Katzer, D.S., Nepal, N., Downey, B.P., Muller, D.A., Xing, H.G., Meyer, D.J., Jena, D. (2018). GaN/NbN epitaxial semiconductor/superconductor heterostructures. Nature. 555 (7695) 183-189. Springer Science and Business Media LLC. https://doi.org/10.1038/nature25768
  • Khalsa, G., Benedek, N.A. (2018). Ultrafast optically induced ferromagnetic/anti-ferromagnetic phase transition in GdTiO3 from first principles. Other. 3 (1) Springer Science and Business Media LLC. https://doi.org/10.1038/s41535-018-0086-3
  • Torrejon, J., Riou, M., Araujo, F.A., Tsunegi, S., Khalsa, G., Querlioz, D., Bortolotti, P., Cros, V., Yakushiji, K., Fukushima, A., Kubota, H., Yuasa, S., Stiles, M.D., Grollier, J. (2017). Neuromorphic computing with nanoscale spintronic oscillators. Nature. 547 (7664) 428-431. Springer Science and Business Media LLC. https://doi.org/10.1038/nature23011
  • Bhattacharya, A., Skinner, B., Khalsa, G., Suslov, A.V. (2016). Spatially inhomogeneous electron state deep in the extreme quantum limit of strontium titanate. Nature Communications. 7 (1) Springer Science and Business Media LLC. https://doi.org/10.1038/ncomms12974
  • Khalsa, G., Stiles, M.D., Grollier, J. (2015). Critical current and linewidth reduction in spin-torque nano-oscillators by delayed self-injection. Applied Physics Letters. 106 (24) AIP Publishing. https://doi.org/10.1063/1.4922740
  • Xie, M., Khalsa, G., MacDonald, A. (2014). Optical conductivity of the $t_2g$ two-dimensional electron gas. Other. https://link.aps.org/doi/10.1103/PhysRevB.89.245417
  • Araki, Y., Khalsa, G., MacDonald, A.H. (2014). Weak localization, spin relaxation, and spin diffusion: Crossover between weak and strong Rashba coupling limits. Physical Review B. 90 (12) American Physical Society (APS). https://doi.org/10.1103/physrevb.90.125309
  • Xie, M., Khalsa, G., MacDonald, A.H. (2014). Optical conductivity of thet2gtwo-dimensional electron gas. Physical Review B. 89 (24) American Physical Society (APS). https://doi.org/10.1103/physrevb.89.245417
  • Allen, S., Jalan, B., Lee, S., Ouellette, D.G., Khalsa, G., Jaroszynski, J., Stemmer, S., MacDonald, A.H. (2013). Conduction-band edge and Shubnikov--de Haas effect in low-electron-density SrTiO$_3$. Other. https://link.aps.org/doi/10.1103/PhysRevB.88.045114
  • Khalsa, G., Lee, B., MacDonald, A. (2013). Theory of $t_2g$ electron-gas Rashba interactions. Other. https://link.aps.org/doi/10.1103/PhysRevB.88.041302
  • Chang, Y., Khalsa, G., Moreschini, L., Walter, A.L., Bostwick, A., Horn, K., MacDonald, A.H., Rotenberg, E. (2013). Uniaxial strain induced band splitting in semiconducting SrTiO$_3$. Other. https://link.aps.org/doi/10.1103/PhysRevB.87.115212
  • Allen, S.J., Jalan, B., Lee, S., Ouellette, D.G., Khalsa, G., Jaroszynski, J., Stemmer, S., MacDonald, A.H. (2013). Conduction-band edge and Shubnikov–de Haas effect in low-electron-density SrTiO3. Physical Review B. 88 (4) American Physical Society (APS). https://doi.org/10.1103/physrevb.88.045114
  • Khalsa, G., Lee, B., MacDonald, A.H. (2013). Theory oft2gelectron-gas Rashba interactions. Physical Review B. 88 (4) American Physical Society (APS). https://doi.org/10.1103/physrevb.88.041302
  • Chang, Y.J., Khalsa, G., Moreschini, L., Walter, A.L., Bostwick, A., Horn, K., MacDonald, A.H., Rotenberg, E. (2013). Uniaxial strain induced band splitting in semiconducting SrTiO3. Physical Review B. 87 (11) American Physical Society (APS). https://doi.org/10.1103/physrevb.87.115212
  • Khalsa, G., MacDonald, A.H. (2012). Theory of the SrTiO$_3$ surface state two-dimensional electron gas. Other. https://link.aps.org/doi/10.1103/PhysRevB.86.125121
  • Khalsa, G., MacDonald, A.H. (2012). Theory of the SrTiO3surface state two-dimensional electron gas. Physical Review B. 86 (12) American Physical Society (APS). https://doi.org/10.1103/physrevb.86.125121
  • Bistritzer, R., Khalsa, G., MacDonald, A.H. (2011). Electronic structure of doped $d^0$ perovskite semiconductors. Other. https://link.aps.org/doi/10.1103/PhysRevB.83.115114

    • Manuscript

  • Bistritzer, R., Khalsa, G., MacDonald, A.H. (2010). d0 Perovskite-Semiconductor Electronic Structure. http://arxiv.org/abs/1010.3090

Presentations Given

    Invited Talk

  • Khalsa, G. (Author & Presenter), McGill University Centre for the Physics of Materials, Ultrafast symmetry control in crystalline materials with light, McGill University Centre for the Physics of Materials, Montreal, Quebec, Canada, Canada. (2025 - 2025).
  • Khalsa, G. (Author & Presenter), Center for Non-Perturbative Studies of Functional Materials under Non-Equilibrium Conditions (NPNEQ) Virtual Meeting, Ultrafast symmetry control in crystalline materials with light, Virtual Meeting, United States of America. (2024).
  • Khalsa, G. (Author & Presenter), Complex Quantum Systems Seminar, Ultrafast symmetry control in crystalline materials with light, University of Texas at Austin, Department of Physics, United States of America. (2024).
  • Khalsa, G. (Author & Presenter), University of Wisconsin – Madison, Materials Research Science and Engineering Center (MRSEC) Virtual Meeting, Ultrafast symmetry control in crystalline materials with light, Virtual Meeting, United States of America. (2024).
  • Khalsa, G. (Author & Presenter), Physics Colloquium, Ultrafast symmetry control in crystalline materials with light, University of Texas at Dallas, Department of Physics, United States of America. (2024).
  • Khalsa, G. (Author & Presenter), Physics Collquium, New pathways for control of structure, symmetry, and function in condensed matter, University of North Texas, Department of Physics, United States of America. (2023).
  • Khalsa, G. (Presenter), UNT Physics Colloquium, New pathways for control of structure, symmetry, and function in condensed matter, UNT Physics, UNT Physics, United States of America. (2023 - 2023).
  • Khalsa, G. (Presenter), UNT Physics Colloquium, Khalsa Research Group -- Condensed Matter Theory, UNT Physics, UNT Physics, United States of America. (2023 - 2023).
  • Khalsa, G. (Author & Presenter), Condensed Matter Theory/Theoretical and Computational Theory Seminar, Twisted tessellations — coherent control of the translational and point group symmetries of crystals with light, Paul Scherrer Institut, Switzerland. (2023).
  • Khalsa, G. (Author & Presenter), X Ultrafast Dynamics and Metastability & Ultrafast Bandgap Photonics 2023, New strategies for ultrafast structural control in the mid- and far-infrared, Crete, Greece, Greece. (2023).
  • Khalsa, G. (Author & Presenter), Physics Colloquium, New pathways for control of structure, symmetry, and functionality in condensed matter, University of North Texas, Department of Physics, United States of America. (2023).
  • Khalsa, G. (Author & Presenter), Physics Colloquium, New pathways for control of structure, symmetry, and functionality in condensed matter, University of Alabama at Birmingham, United States of America. (2023).
  • Khalsa, G. (Author & Presenter), Physics Colloquium, New pathways for control of structure, symmetry, and functionality in condensed matter, Temple University, Department of Physics, United States of America. (2023).
  • Khalsa, G. (Author & Presenter), Future electronics based on nitride superconductors, Johns Hopkins University, United States of America. (2022).
  • Khalsa, G. (Author & Presenter), VII Ultrafast Dynamics and Metastability & Ultrafast Bandgap Photonics 2022, Twisted tessellations: coherent translational and rotational symmetry control in crystalline materials with light, Crete, Greece, United States of America. (2022).
  • Khalsa, G. (Author & Presenter), VIII Ultrafast Dynamic and Ultrafast Bandgap Photonics, Ultrafast control of material optical properties via the infrared resonant Raman effect, Georgetown University, United States of America. (2021).
  • Khalsa, G. (Author & Presenter), Complex Quantum Systems Seminar, Novel structural, functional, and optical control of materials with infrared light, University of Texas at Austin, Physics Department, United States of America. (2020).
  • Khalsa, G. (Author & Presenter), Electronic Materials and Applications 2020, Towards ultrafast control of dielectric properties of materials through optical phonon excitation, Orlando, Florida, United States of America. (2020).
  • Khalsa, G. (Author & Presenter), Electronic Materials and Applications 2019, Ultrafast control of material properties through non-linear lattice dynamics from first principles, Orlando, Florida, United States of America. (2019).
  • Khalsa, G. (Author & Presenter), Materials Theory Group Seminar, Engineering spin-orbit effects in complex oxide heterostructures, ETH-Zurich, Zurich, Switzerland, Switzerland. (2015).
  • Khalsa, G. (Author & Presenter), Pittsburgh Quantum Institute Seminar, Spin-orbit engineering in perovskite heterostructures, Pittsburgh, Pennsylvania, United States of America. (2015).
  • Khalsa, G. (Author & Presenter), Center for Nanoscale Science and Technology, Electron Physics Group Seminar, Quantum confinement at perovskite surfaces/interfaces, National Institute of Standards and Technology, Gaithersburg, Maryland, United States of America. (2013).
  • Khalsa, G. (Author & Presenter), Theory of t2g electron-gas Rashba interactions, Argonna National Labs, Argonne, Illinois, United States of America. (2013).
  • Khalsa, G. (Author & Presenter), Theory of t$_{2g}$ electron-gas Rashba interactions, Seoul National University, Seoul, South Korea, Korea, South. (2013).
  • Khalsa, G. (Author & Presenter), Theory of t29 electron-gas Rashba interaction, University of Seoul, Seoul, South Korea, Korea, South. (2013).
  • Khalsa, G. (Author & Presenter), 2012 International Summer School on Graphene, 2DEGs involving SrTiO_3, University Chouaib Doukkali, Morocco. (2012).
  • Khalsa, G. (Author & Presenter), 2012 International Summer School on Graphene, Introduction to SrTiO_3, University Chouaib Doukkali, Morocco. (2012).
  • Khalsa, G. (Author & Presenter), Oxide Fest, Theory of SrTiO3 2DEGs, University of Texas at Austin, Austin, Texas, United States of America. (2012).
  • Khalsa, G. (Author & Presenter), Institute for Complex Adaptive Matter (ICAM) Workshop, Theory of SrTiO3 2DEGs, Buenos Aires, Argentina, Argentina. (2011).
  • Khalsa, G. (Author & Presenter), Condensed Matter Physics Seminar, Conduction band structure of SrTiO_3 near the extreme quantum limit, Seoul National University, Seoul, South Korea, Korea, South. (2011).

    • Oral Presentation

  • He, Z. (Author & Presenter), Khalsa, G. (Author), MRS Spring Meeting, A Strain-Enabled Novel Multiferroic State in Barium Hexaferrite through Suppression of Quantum Paraelectricity, Materials Research Society, Seattle, WA, United States of America. (2024).
  • Pamuk, B. (Author & Presenter), Khalsa, G. (Author), MRS Spring Meeting, Superconducting properties of transition-metal nitrides from first principles: prospects for strain and isotope modification of superconducting critical temperatures, Materials Research Society, Seattle, WA, United States of America. (2024).
  • Khalsa, G. (Author), MRS Spring Meeting, Ultrafast infrared-light-driven symmetry control in crystalline materials, Materials Research Society, Seattle, WA, United States of America. (2024).
  • He, Z. (Author & Presenter), Khalsa, G. (Author), APS March Meeting, A Strain-Enabled Novel Multiferroic State in Barium Hexaferrite through Suppression of Quantum Paraelectricity, American Physical Society, Minneapolis, MN, United States of America. (2024).
  • Kaaret, J.Z. (Author & Presenter), Khalsa, G. (Author), Gollwitzer, J. (Author), Gorobtsov, O. (Author), Suyoclu, E. (Author), Schlom, D.G. (Author), Singer, A. (Author), Benedek, N.A. (Author), APS March Meeting, Modeling a phonon-driven lattice expansion in thin film LaAlO$_3$, American Physical Society, Minneapolis, MN, United States of America. (2024).
  • Pamuk, B. (Author & Presenter), Khalsa, G. (Author), APS March Meeting, Superconducting properties of transition-metal nitrides from first principles: prospects for strain and isotope modification of superconducting critical temperatures, American Physical Society, Minneapolis, MN, United States of America. (2024).
  • Khalsa, G. (Author), APS March Meeting, Ultrafast infrared-light-driven symmetry control in crystalline materials, American Physical Society, Minneapolis, MN, United States of America. (2024).

    • Poster

  • Khalsa, G. (Author & Presenter), Kaaret, J.Z. (Author), Benedek, N.A. (Author), 2022 Ultrafast Phenomena in Cooperative Systems – Advances in the Dynamics and Control of Quantum Materials, Gordon Research Conference, Twisted tessellations: translational and rotational symmetry control in crystalline materials with light, Ventura, California, United States of America. (2022 - 2022).
  • Khalsa, G. (Author & Presenter), Kaaret, J.Z. (Author), Benedek, N.A. (Author), 2022 Ultrafast Phenomena in Cooperative Systems – Collective Dynamics in Complex Phases of Bulk and 2D Materials, Gordon Research Seminar, Twisted tessellations: translational and rotational symmetry control in crystalline materials with light, Ventura, California, United States of America. (2022 - 2022).
  • Khalsa, G. (Author & Presenter), Platform for the Accelerated Realization, Analysis, and Discovery of Interface Materials (PARADIM) Program Review, Future electronics based on nitride superconductors, Baltimore, Maryland, United States of America. (2022 - 2022).
  • Khalsa, G. (Author & Presenter), Kaaret, J.Z. (Author), Benedek, N.A. (Author), 2022 School on Electron-Phonon Physics from First Principles, The University of Texas at Austin, Twisted tessellations: translational and rotational symmetry control in crystalline materials with light, Austin, Texas, United States of America. (2022 - 2022).
  • Khalsa, G. (Author & Presenter), Benedek, N.A. (Author), Moses, J. (Author), 2022 Ultrafast Phenomena in Cooperative Systems – Collective Dynamics in Complex Phases of Bulk and 2D Materials, Gordon Research, Towards ultrafast control of dielectric properties of materials, Luca, Italy, United States of America. (2020 - 2020).
  • Khalsa, G. (Author & Presenter), Benedek, N.A. (Author), Moses, J. (Author), 2022 Ultrafast Phenomena in Cooperative Systems – Collective Dynamics in Complex Phases of Bulk and 2D Materials, Gordon Research Conference, Towards ultrafast control of dielectric properties of materials, Luca, Italy, United States of America. (2020 - 2020).
  • Khalsa, G. (Author & Presenter), Benedek, N.A. (Author), The 53rd Course of the International School of Crystallography, Magnetic Crystallography, Ultrafast optical control of magnetic phase in GdTiO3 from first principles, Erice, Italy, Italy. (2019 - 2019).
  • Khalsa, G. (Author & Presenter), Benedek, N.A. (Author), Multiferroic and Magnetoelectric Materials – Gordon Research Conference, Bates College, Orthorhombic strain induced A-type anti-ferromagnetism in GdTiO3 from first-principles, Lewiston, Maine, United States of America. (2018 - 2018).
  • Khalsa, G. (Author & Presenter), MacDonald, A.H. (Author), UT Austin Nano Night - Poster Session, The University of Texas at Austin, Strong Field Orbital Physics in the Conduction Band of SrTiO3, Austin, Texas, United States of America. (2011 - 2011).

Media Contributions

    Internet

  • "Semiconductors reach the quantum world," Paul Scherrer Intitute. (December 22, 2021).

    • Magazine

  • "그래핀 무아레 무늬의 마법 [The Magic of Graphene Moiré Patterns]," HORIZON. (February 27, 2020).
  • "Molecular Beam Epitaxy of Transition Metal Nitrides for Superconducting Device Applications," Phys. Status Solidi A: Compound Semiconductors. (February 1, 2020).
  • "Les neurones artificiels deviennent nanométriques [Artificial neurons go nanometric]," La Recherche. (June 1, 2018).
  • "Transistors driven by superconductors," Nature. (March 7, 2018).
  • "A new spin on nanoscale computing," Nature. (July 27, 2017).

    • Newspaper

  • "Surprise physics in insulating material offer path for faster tech," Cornell Chronicle. (February 9, 2024).
  • "Collaboration gets quantum view of superconductor junction," Cornell Chronicle. (December 22, 2021).
  • "Researchers create ‘beautiful marriage’ of quantum enemies.," Cornell Chronicle. (February 19, 2021).
  • "Quick pulse of laser light can cause dramatic shift in material's properties," Cornell Chronicle. (March 12, 2018).
  • "Novel semiconductor-superconductor structure features versatile gallium nitride.," Cornell Chronicle. (March 7, 2018).

Contracts, Grants, Sponsored Research

    Contract

  • Shepherd, N.D. (Principal), Voevodin, A.A. (Co-Principal), Philipose, U. (Co-Principal), Reidy, R.F. (Co-Principal), Khalsa, G. (Co-Principal), Padilla, P.A. (Co-Principal), "Texas Institute for Electronics (TIE) Next-Generation Microelectronics Manufacturing (NGMM) Center (TNC)," sponsored by UT-TIE, State, $875000 Funded. (2024 - 2029).

    • Grant - Research

  • Khalsa, G., "2024-2025 Research Seed Grant : FuSe2 Topic 3: AlBN Hi-K and Ferroelectric Gate-Barrier GaN HEMTs for Extreme Environment Power, RF, and Memory Applications," sponsored by UNT VPRI, University of North Texas, $10000 Funded. (2025).
  • Khalsa, G., "FuSe2 Topic 3: AlBN Hi-K and Ferroelectric Gate-Barrier GaN HEMTs for Extreme Environment Power, RF, and Memory Applications," sponsored by UNT COS Research Seed, University of North Texas, $10000 Funded. (2025).
  • Rout, B. (Principal), Khalsa, G. (Co-Principal), Philipose, U. (Co-Principal), "Engineering Materials and Devices for Optimized Performances Under Extreme Conditions," sponsored by CHIPS in the Metroplex Collaboration, Regional, $25000 Funded. (2024).
  • Khalsa, G. (Principal), Joshi, S.S. (Principal), "Stepping Out of the Sandbox: Expanding Additive Manufacturing to Functionalized Materials," sponsored by UNT COS/CENG Collaborative Research, University of North Texas, $10000 Funded. (2024).
  • Shepherd, N.D. (Principal), Voevodin, A.A. (Co-Principal), Philipose, U. (Co-Principal), Khalsa, G. (Co-Principal), Reidy, R.F. (Co-Principal), Padilla, P.A. (Co-Principal), "Texas Institute for Electronics (TIE) Next-Generation Microelectronics Manufacturing (NGMM) Center (TNC)," sponsored by UT-TIE, Federal, $1625000 Funded. (2024 - 2029).

    • Grant - Service

  • Khalsa, G., Fatemi, V. (Co-Principal), Shabani, J. (Co-Principal), Mason, N. (Co-Principal), "2025 Hybrid Superconductor-Semiconductor Devices," sponsored by AFOSR, Federal, $15000 Funded. (2025 - 2025).

Copyrights, Patents

    Patent

  • Khalsa, G., He, z., Jharapla, P.K., Leconte, N., Jung, J., Disa, A., Optical Control of two-dimensional materials structure, 63/760,595. Provisional, Date of Patent Application: February 9, 2025. .
  • Zheng, J., Khalsa, G., Moses, J., Phonon-mediated upconversion methods, 63/526,403. Regular, Date submitted to the University: 2023. Date of Patent Application: 2023. Date Patent Approved: January 16, 2025. .
  • Dang, P., Khalsa, G., Wright, J., Jena, D., Xing, H.G., Integrated quantum computing with epitaxial materials, US 20240177042. Regular, Date submitted to the University: 2022. Date of Patent Application: 2022. Date Patent Approved: 2024. .
  • Casamento, J., Jena, D., Savant, C., Khalsa, G., He, Z., Xing, H.G., Low Energy, Plasma Free Growth of Nitride Semiconductors and Thin Films, 63/704,476. Provisional, Date of Patent Application: October 7, 2024. .
  • Zhang, Y.F., Jena, D., Nair, H., Khalsa, G., Protasenko, V., Devices including (iii x, al y)o z superlattices, WO2023215143A1. Regular, Date of Patent Application: April 6, 2023. .
  • Jena, D., Khalsa, G., Liu, B., Nair, H., Protasenko, V., Zhang, Y., Gallium oxide photonics and nonlinear optics, 63/337,224. Provisional, Date submitted to the University: 2022. Date of Patent Application: 2022. .
  • Yan, R., Khalsa, G., Wright, J., Xing, H.G., Jena, D., Katzer, D., Nepal, N., Downey, B., Meyer, D., GaN/NbN epitaxial semiconductor/superconductor heterostructures, US20210043824A1. Regular, Date submitted to the University: 2021. Date of Patent Application: 2021. Date Patent Approved: 2021. .

Service

University Service

  • Committee Member, Hiring Committee -- 2025-2026. (December 2025 - 2026).
  • Committee Member, Center for Microelectronics in Extreme Environments (CMEE) -- 2025. (September 1, 2025 - July 2026).
  • Committee Member, CAS Computing Committee -- 2025. (August 2025 - July 2026).
  • Committee Member, Space Committee -- 2025. (August 1, 2025 - July 2026).
  • Committee Chair, SPS Faculty Sponsor Committee -- 2025. (August 2025 - May 2026).
  • Committee Member, Space Committee -- 2024. (September 1, 2024 - July 2025).
  • Committee Member, Graduate Committee -- Spring 2024. (January 1, 2024 - August 31, 2024).
  • Committee Member, Center for Microelectronics in Extreme Environments (CMEE) -- 2024. (August 1, 2024 - July 2024).
  • Committee Member, Hiring Committee -- 2023-2024. (August 2023 - March 2024).
  • Committee Member, IDEA Committee -- Fall 2023. (September 1, 2023 - December 31, 2023).

Professional Service

  • Committee Member, 2026 MRS Fall Meeting -- Ultrafast Optical and Structural Probes for Understanding Emerging Materials. (May 2025 - Present).
  • Mentor, American Physical Society Career Fellows. Denton, Texas. (October 1, 2024 - October 1, 2026).
  • Chairperson, Gordon Research Conferences. Denton, TX. (December 13, 2023 - May 2025).
  • Program Organizer, Gordon Research Conferences. Denton, Texas. (December 13, 2023 - May 2025).
  • Reviewer, Journal Article, Physical Review Letters, Physical Review X, Physical Review B, Physical Review Materials, Applied Physics Letters, Nature Communications, npj Quantum Materials, Scientific Reports, Science. (2011 - 2024).
  • Session Chair, American Physical Society March Meeting. Minneapolis, Minnesota. (March 2024 - March 2024).
  • Mentor, American Physical Society National Mentoring Community. Denton, Texas. (October 1, 2023 - December 1, 2023).
  • Session Chair, American Physical Society March Meeting. Las Vegas, Nevada. (March 2023 - March 2023).
  • Session Chair, American Physical Society March Meeting. Las Vegas, Nevada. (March 2023 - March 2023).
  • Committee Member, Gordon Research Conferences. Ventura, California. (October 2022 - October 2022).
  • Other (Moderator), Gordon Research Conferences. Ventura, California. (October 2022 - October 2022).
  • Session Chair, American Physical Society March Meeting. Virtual Meeting. (March 2021 - March 2021).
  • Session Chair, American Physical Society March Meeting. Los Angeles, California. (March 2018 - March 2018).