Nanoelectronics & VLSI Systems

Research encompasses Nanoelectronics devices, Quantum technologies, Integrated photonics devices, and analog VLSI circuits, RF sensors and Radar systems.

Research groups

Selected Recent Publications

  • M. Chhaperwal, H. M. Tongale, P. Hays, K. Watanabe, T. Taniguchi, S. A. Tongay, and K. Majumdar, “Simultaneously enhancing brightness and purity of WSe2 single photon emitter using high-aspect-ratio nanopillar array on metal,” Nano Letters, 24, 12461, 2024.
  • N. Abraham, K. Watanabe, T. Taniguchi, and K. Majumdar, “Room Temperature Single Photon Detection at 1550 nm using van der Waals Heterojunction,” Advanced Functional Materials, 34, 2406510, 2024.
  • G. Gupta, K. Watanabe, T. Taniguchi, and K. Majumdar, “Motion of two-dimensional excitons in momentum space leads to pseudospin distribution narrowing on the Bloch sphere,” Nano Letters, 24, 5413, 2024.
  • S. Chatterjee, M. Dandu, P. Dasika, R. Biswas, S. Das, K. Watanabe, T. Taniguchi, V. Raghunathan K. Majumdar, “Harmonic to anharmonic tuning of moiré potential leading to unconventional Stark effect and giant dipolar repulsion in WS2/WSe2 heterobilayer,” Nature Communications, 14, 4679, 2023.
  • A. Kumar, Easha, D. Sarkar, G. Banerjee, “A Compact Quasi-Yagi Antenna for FMCW Radar-on-Chip based Through-Wall Imaging”, International Journal of Microwave and Wireless Technologies, Cambridge University Press, 2023.
  • Y. Chandrakapure, A. Kumar, E. Easha, D. Sarkar and G. Banerjee, “Time-Modulated Metasurface for Spoofing Doppler Radar”, IEEE Microwave, Antennas, and Propagation Conference (MAPCON), Ahmedabad, India, December 2023.
Major Research Facilities

26.5 GHz Vector Signal Analyzer
4 GHz/20GSPS Digital Storage Oscilloscope,
6/20 GHz Vector Signal Generator
Complete CAD packages from Cadence, Mentor Graphics and AWR Microwave-Office
Double Electrically Isolated screen room (“Faraday Cage”)
FPGA Development Kits,
PXI Platform, PCB Design and testing facilities,
Signatone 8” Wafer Probe Station
Vector Network Analyzer,
VLSI design suites from Cadence, Synopsys and Mentor Graphics,