Electromagnetics & microwave engineering, real-time radio signal processing, dispersion engineering, antennas, leaky-wave structures, metamaterials/metasurfaces, Fourier optics, wave propagation, microwave photonics.
Ultrafast signal processing, spectrum analysis, real-time sensing, high-speed radio communication, smart antenna communication, mm-wave devices and communication systems.
Recent Journal & Conference Publications
K. Achouri, B. A. Khan, S. Gupta, G. Lavigne, M. A. Salem and C. Caloz, “Synthesis of Electromagnetic Metasurfaces: Principles and Illustrations”, EPJ Appl. Metamat., vol. 2, no. 12, pp. 1–11, Jan. 2016.
S. Gupta, L. J. Jiang and C. Caloz, “Leaky-wave Antennas with Combined Electric and Magnetic Dipole Radiation,” Recent Progress in Space Technology (RPST), vol. 5, no. 1, Dec. 2015.
S. Ding, S. Gupta, R. Zhang, L. Zou, and C. Caloz, “Enhancement of Time-Reversal Subwavelength Wireless Transmission Using Pulse Shaping,” IEEE Trans. Antennas Propagat., vol. 63, no. 9, Sept. 2015.
S. Gupta, Q. Zhang, L. Zou, L. J. Jiang and C. Caloz, “Generalized Coupled-line All-Pass Phasers,” IEEE Trans. Microwave Theory Tech., vol. 63, no. 3, pp. 1–2, Mar. 2015.
S. Gupta and C. Caloz, “Spatio-Temporal Metasurface for Real-time 2-D Spectrum Analysis”, arXiv:1412.7791, Dec. 2014.
S. Gupta and C. Caloz,“Parity-Time (PT ) Symmetry Properties of Natural and Perfect Dispersive Media”, IEEE International Symposium on Antennas and Propagation, Fajardo, Puerto Rico, Canada, Jun. 2016.
L. Zou, S. Gupta and C. Caloz,“Dispersion Code Modulation Concept for Spec- tral Efficiency Enhancement in Wireless Communications”, IEEE International Symposium on Antennas and Propagation, Fajardo, Puerto
Rico, Canada, Jun. 2016.