WDM Signal Monitoring Utilizing Asynchronous Sampling and Wavelength Selection Based on Thermo-Optic Switch and AWG

Ippei SHAKE
Ryouichi KASAHARA
Hidehiko TAKARA
Motohaya ISHII
Yasuyuki INOUE
Takuya OHARA
Yoshinori HIBINO
Satoki KAWANISHI

Publication
IEICE TRANSACTIONS on Communications   Vol.E87-B    No.3    pp.756-759
Publication Date: 2004/03/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fiber-Optic Transmission
Keyword: 
WDM,  performance monitoring,  wavelength selector,  AWG,  thermo-optic switch,  asynchronous sampling,  Q-factor,  OE sampling,  

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Summary: 
We demonstrate a simple BER monitoring method for WDM signals. Newly developed 32-channel wavelength selector based on thermo-optic switch and AWG is used. The BER of each channel is estimated from opened eye-diagrams obtained by asynchronous sampling. Good BER monitoring performance is confirmed.