Thin heterogeneous SOI waveguides for thermo-optical tuning and filtering.
This work presents an analysis and simulation of novel heterogeneous silicon-on-insulator (SOI) waveguide structures for reconfigurable optical add/drop multiplexers (ROADMs) with thermo-optic tuning and multi-reflector beam expanders. New structure design includes p(+) side-doping of SOI ridge waveguide with 220 nm x 16 microm silicon core. It provides quasi mono-mode behavior due to strongly mode-dependent optical losses by free charge absorption. These silicon heterogeneous waveguides are used to investigate ROADMs including nano-structured 2D-gratings for fiber coupling and polarization diversity, nano-grooves or p(+) doping reflector strips for multi-reflector beam expanders and local heaters for wideband thermo-optic tuning.
Institute of Semiconductor Physics, Siberian Branch Russian Academy of Sciences, Prospect Lavrenteva, 13, Novosibirsk, 630090, Russia,tsarev@.isp.nsc.ru
Andrei V
AV
Tsarev
Francesco
F
De Leonardis
Vittorio M
VM
Passaro
D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005374:Filtration / Q000295:instrumentation*; D008962:Models, Theoretical; D055095:Optics and Photonics / Q000295:instrumentation*; D012666:Semiconductors; D013696:Temperature; D014159:Transducers