Multi-Frequency Heterodyne System for All-Optical-Technology-Free Ultrafast Optical Waveform Measurement

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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Sakamoto, Takahide; Kawanishi, Tetsuya; Izutsu, Masayuki (National Institute of Information and Communications Technology, 4-2-1 Nukui-kitamachi, Koganei-shi, Tokyo 184-8795, Japan)

A multi-frequency heterodyne system for ultrafast optical waveform measurement is demonstrated. Ultrafast waveform beyond photodiode bandwidth is downconverted to a slow-speed signal by photomixing with a locally generated ultra-flat comb. 80-GHz waveform was successfully measured.