Novel Technique for On-Site Signal-Monitoring in PON Systems without Service Interruption

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Matsui, Takashi; Tsujikawa, Kyozo; Tomita, Shigeru (Access Network Service Systems Laboratories, NTT Corporation, 1-7-1, Hanabatake, Tsukuba, Ibaraki, 305-0805, Japan)

We propose an on-site signal-monitoring technique using a mechanically-induced long-period grating (LPG) for monitoring specific service signals without service interruption. Using the LPG, leaked signals are clearly observed with low insertion loss and negligible crosstalk.