Passband-expandable tunable filter for optical network aggregation

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Sakurai, Yasuki; Chong, Changho; Okada, Masaharu; Hotta, Yuji; Mekada, Naoyuki (Santec corporation, 5823 Nenjozaka, Ohkusa, Komaki 485-0802, Japan)

We demonstrate wavelength and bandwidth tunable optical filters with box-like passband shape. The wavelength tuning range is 40 nm and the 3dB-bandwidth varies from 0.2 nm to 6.0 nm. The filter shape factor defined as the ratio between 3dB- and 20dB-bandwidth reaches over 0.9.