NDLI: Demonstration of Spectral Phase O-CDMA Encoding and Decoding in Monolithically Integrated Arrayed-Waveguide-Grating-Based Encoder

Content Provider	IEEE Xplore Digital Library
Author	Jing Cao Broeke, R.G. Fontaine, N.K. Ji, C. Du, Y. Chubun, N. Aihara, K. Anh-Vu Pham Olsson, F. Lourdudoss, S. Yoo, S.J.B.
Copyright Year	1989
Abstract	We report on successful spectral phase encoding and decoding operation in a pair of monolithically integrated InP encoder chips, each consisting of an arrayed waveguide grating (AWG) pair and an eight-channel electrooptic phase shifter array. The monolithic fabrication process includes anisotropic reactive ion etching and planarizing hydride-vapor-phase-epitaxy lateral regrowth to realize buried hetero-waveguide structures in AWGs and phase shifters. Electrooptical modulation in the phase shifter arrays in the encoder chip achieved Walsh-code-based optical code-division multiple access (O-CDMA) encoding and decoding. The matched-code encoding-decoding operation resulted in error-free performance in the presence of an interferer, indicating good potential for O-CDMA network applications
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	2602
Ending Page	2604
Page Count	3
File Size	724844
File Format	PDF
ISSN	10411135
Volume Number	18
Issue Number	24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Encoding Decoding Arrayed waveguide gratings Phase shifters Optical waveguides Optical arrays Indium phosphide Electrooptical waveguides Optical device fabrication spectral encoder and decoder Arrayed waveguide grating (AWG) monolithic integration optical code-division multiple access (O-CDMA)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Demonstration of Spectral Phase O-CDMA Encoding and Decoding in Monolithically Integrated Arrayed- Waveguide-Grating-Based Encoder

Dynamic phase-error compensation for high-resolution InP arrayed-waveguide grating using electro-optic effect

Error-free spectral encoding and decoding operation of InP O-CDMA encoder

Demonstration of Spectral Phase O-CDMA Encoding and Decoding in Monolithically Integrated Arrayed-Waveguide-Grating-Based Encoder

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