Optical Demultiplexer Using a Pin Photo-Diode Detector Array

Ryuichi WATANABE  Kazuhito OHNISHI  Kiyoshi NOSU  

Publication
IEICE TRANSACTIONS (1976-1990)   Vol.E64   No.2   pp.92-93
Publication Date: 1981/02/25
Online ISSN: 
DOI: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Transmission Systems
Keyword: 


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Summary: 
This paper describes an optical demultiplexer whose diffracted light beams are directly detected by a monolithic linear array of six silicon pin photo-diodes for the 0.8 µm wavelength region. The demultiplexer has 6 channels whose wavelength spacing is 23 nm. Insertion losses and crosstalks were less than 2.1 dB and -25 dB, respectively.