CMOS integrated nanophotonics for future computing systems
Solomon Assefa, William M. J. Green, et al.
BCTM 2011
We present a novel design for a noise-tolerant, ultra-broadband electro-optic switch, based on a Mach-Zehnder lattice (MZL) interferometer. We analyze the switch performance through rigorous optical simulations, for devices implemented in silicon-on-insulator with carrier-injection-based phase shifters. We show that such a MZL switch can be designed to have a step-like switching response, resulting in improved tolerance to drive-voltage noise and temperature variations as compared to a single-stage Mach-Zehnder switch. Furthermore, we show that degradation in switching crosstalk and insertion loss due to free-carrier absorption can be largely overcome by a MZL switch design. Finally, MZL switches can be designed for having an ultra-wide, temperature-insensitive optical bandwidth of more than 250 nm. The proposed device shows good potential as a broadband optical switch in reconfigurable optical networks-on-chip. © 2009 Optical Society of America.
Solomon Assefa, William M. J. Green, et al.
BCTM 2011
Mackenzie A. Van Camp, Solomon Assefa, et al.
CLEO 2012
Yves Martin, Jason S. Orcutt, et al.
ECTC 2019
Solomon Assefa, Fengnian Xia, et al.
OECC 2009