Cascaded Long Period Fibre Grating-Based DPSK Demodulator with Optically Tunable Phase Shifter

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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Kim, Tae-Young; Chung, Youngjoo; Han, Won-Taek; Park, Chang-Soo (Gwangju Institute of Science and Technology (GIST), 1 Oryong-dong, Buk-gu, Gwangju, 500-712, South Korea)
Hanawa, Masanori (Univ. of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan)

A DPSK demodulator based on cascaded long period fibre grating is proposed. The performance of the demodulator is demonstrated for a 10-Gb/s DPSK system, showing clear eye diagram as well as bit error free performance.