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All-Optical Demultiplexing of 640-Gb/s OTDM-DPSK Signal Using a Semiconductor SMZ Switch

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6 Author(s)
Hirooka, T. ; Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan ; Okazaki, M. ; Hirano, T. ; Pengyu Guan
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The all-optical demultiplexing of a 640-Gb/s single- polarization optical time-division-multiplexing signal is successfully demonstrated by using a symmetric Mach-Zehnder switch incorporating semiconductor optical amplifiers. An ultrafast switching gate as narrow as 1.4 ps is realized by using a low-jitter, subpicosecond pulse train as a control pulse, which facilitates low-penalty demultiplexing.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 20 )