Compact single-chip VMUX/DEMUX on the silicon-on-insulator platform
Author(s) -
Dazeng Feng,
Ning-Ning Feng,
Cheng-Chih Kung,
Hong Liang,
Wei Qian,
Joan Fong,
B.J. Luff,
Mehdi Asghari
Publication year - 2011
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.006125
Subject(s) - silicon on insulator , attenuator (electronics) , optics , multiplexer , wavelength division multiplexing , materials science , attenuation , multiplexing , demultiplexer , chip , insertion loss , optical attenuator , channel spacing , optoelectronics , silicon , wavelength , optical fiber , physics , telecommunications , fiber optic sensor , computer science
We demonstrate a compact, single-chip 40-channel, dense wavelength division multiplexing (DWDM) variable attenuator multi/demultiplexer (VMUX/DEMUX) by monolithic integration of an echelle grating and high-speed p-i-n VOA on the silicon-on-insulator (SOI) platform. The demonstrated device has a flat-top filter shape, on chip loss of 5.0 dB, low PDL of 0.3 dB after compensation of the polarization dependent frequency (PDF) shift, a fast attenuation response speed of 3 MHz, and an area of only 25 mm by 10 mm.
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