Ultrafast optical signal processing with hybrid-integrated symmetric Mach-Zehnder all-optical switches

Shigeru Nakamura; Takemasa Tamanuki; Morio Takahashi; Takanori Shimizu; Satoshi Ae; Kazuo Mori; Akio Furukawa; Tatsuya Sasaki; Kazuhito Tajima

doi:10.1117/12.511797

14 August 2003 Ultrafast optical signal processing with hybrid-integrated symmetric Mach-Zehnder all-optical switches

Shigeru Nakamura, Takemasa Tamanuki, Morio Takahashi, Takanori Shimizu, Satoshi Ae, Kazuo Mori, Akio Furukawa, Tatsuya Sasaki, Kazuhito Tajima

Author Affiliations +

Proceedings Volume 5246, Active and Passive Optical Components for WDM Communications III; (2003) https://doi.org/10.1117/12.511797
Event: ITCom 2003, 2003, Orlando, Florida, United States

Abstract

We report on various types of ultrafast all-optical signal processing with hybrid-integrated Symmetric-Mach-Zehnder (HI-SMZ) all-optical switches driven by 40-Gb/s or 40-GHz optical pulses. To operate HI-SMZ switches with such high-repetition excitation, we use longer semiconductor optical amplifiers (SOAs) as nonlinear phase shifters than we previously used. We demonstrate that extending the SOA length is useful for increasing carrier injection and thus enhancing the nonlinear phase shift in SOAs. We show 3R regeneration and wavelength conversion at 42 Gb/s using HI-SMZ switches with longer SOAs. We also show error-free optical demultiplexing of 168- or 336-Gb/s signal pulses with HI-SMZ switches driven by 42-GHz control pulses.

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Shigeru Nakamura, Takemasa Tamanuki, Morio Takahashi, Takanori Shimizu, Satoshi Ae, Kazuo Mori, Akio Furukawa, Tatsuya Sasaki, and Kazuhito Tajima "Ultrafast optical signal processing with hybrid-integrated symmetric Mach-Zehnder all-optical switches", Proc. SPIE 5246, Active and Passive Optical Components for WDM Communications III, (14 August 2003); https://doi.org/10.1117/12.511797

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