Formulation of Waveguide Connection for Waveband MUX/DEMUX Using Concatenated Arrayed-Waveguide Gratings

Shoji KAKEHASHI  Hiroshi HASEGAWA  Ken-ichi SATO  Osamu MORIWAKI  

IEICE TRANSACTIONS on Communications   Vol.E90-B    No.10    pp.2950-2952
Publication Date: 2007/10/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.10.2950
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fiber-Optic Transmission for Communications
waveband,  waveband filter,  AWG,  MUX/DEMUX,  

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Recently we proposed a new waveband MUX/DEMUX that uses two concatenated cyclic AWGs. We analyse and formulate connection arrangements of the waveguides connecting the two AWGs. The port utilization of the device is shown to be 100% with bi-directional input fibers.