Abhishek Sharma

Postdoctoral Fellow

Millimeter-Wave/Terahertz Links


The field of wireless communication has witnessed significant progress, evolving from its first generation (1G) systems in the 1980s to the latest fifth generation (5G) systems. Due to the proliferation of connected devices and the growing need for higher data rates and larger bandwidth, the research focus is shifting towards  the millimeter-wave (mm-wave) spectrum (30–300 GHz) and sub-THz/ THz frequency spectrum (0.3-3 THz). The 5G technology achieves an impressive maximum data transfer rate of around 10 Gbps, and it is anticipated to surpass 1 Tbps for the future sixth generation (6G) communication system. 

Dielectric waveguides/fibers offer a significant opportunity for designing high-data rate interconnects at mm-wave and THz frequencies. This bridges the gap that currently exists between metallic and optical technology, providing robust and broadband interconnect solutions for short to mid-range communications. 

In a series of ongoing investigations, I am exploring the potential use of polymer/plastic fibers in tandem with CMOS transceivers  to enable high-speed data links (chip-to-chip communication) at both room and cryogenic temperatures. Furthermore, I am currently investigating the utilization of ceramic-based fibers and antennas for applications that involve extremely high temperatures, exceeding 1000 degrees Celsius.

Publications


Electromagnetic Stability Characterization of Millimeter-Wave Dielectric Fibers at Extremely High-Temperatures: Enabling Harsh Environment Communication and Sensing


Abhishek Sharma, Yanghyo Rod Kim

2024 IEEE/MTT-S International Microwave Symposium - IMS 2024, 2024, pp. 571-574


Millimeter-Wave Ceramic Antennas and Fibers for Extremely High-Temperature Applications [Application Notes]


Abhishek Sharma, Caleb Romero, Yanghyo Rod Kim

IEEE Microwave Magazine, vol. 25, 2024, pp. 77-87


Extremely high temperature millimeter-wave ceramic fiber communications


Caleb Romero, Abhishek Sharma, Yanghyo Kim

2023 Asia-Pacific Microwave Conference, 2023, pp. 459-461