Open AccessLight-controlled photonics-based mm-wave beam switch
Author(s) -
V.B. Yurchenko,
Mehmet Çiydem,
M. Grądziel,
A. Murphy,
A. Altintaş
Publication year - 2016
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.016471
Subject(s) - optics , photonics , materials science , beam (structure) , wafer , light beam , optoelectronics , transmission (telecommunications) , silicon photonics , modulation (music) , silicon , physics , telecommunications , acoustics , computer science
We present experimental investigation of light-controlled photonics-enhanced quasi-optical mm-wave beam switch operating at a resonant frequency in the mm-wave band of 75 to 110 GHz. The switch is implemented as a Bragg structure with a resonant layer of high-resistivity silicon that creates a narrow transmission peak within the mm-wave propagation gap. The peak amplitude is sensitive to the intensity of light pulses illuminating the structure. When using a silicon wafer of 30 KOhm · cm resistivity and light pulses created by a 400W LED-array light source, we achieved mm-wave transmission peak modulation exceeding 15 dB.