Hybrid-Integrated Symmetric Mach-Zehnder All-Optical Switches and Ultrafast Signal Processing(<Special Section>Ultrafast Photonics)

概要

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Symmetric Mach-Zehnder (SMZ) type all-optical switches are discussed. The SMZ type all-optical switches feature the so-called differential chase modulation scheme to achieve a speed unrestricted by efficient, thus usually slow nonlinearities. In these switches, semiconductor optical amplifiers (SOAs) are often used to realize low optical power switching. We discussed SOAs from a view point of all-optical switch applications, rather than amolifier applications. Finally, all-optical signal processing experiments afe discussed with the SMZ type all-optical switches. These include ultrafast demultiplexing of 336 Gb/s signal pulses and random operations at 42 Gb/s for all-optical logic operation and wavelength conversion.
社団法人電子情報通信学会の論文
2004-07-01