Analysis of Subpicosecond Full-Switching with a Symmetric Mach-Zehnder All-Optical Switch

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概要

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• We present subpicosecond full-switching with a symmetric Mach-Zehnder all-optical switch. To the best of our knowledge, this is the fastest all-optical switching experiment with incoherent and thus realistic, efficient optical nonlinearities. We discuss various factors which possibly limit the switching speed, Present switching speed is determined only by the rise time of interband carrier excitation. Our analysis suggests that by reducing the duration of the control pulse, faster switching in the range from 100 to 200fs can be expected, in which control pulse broadening due to group velocity dispersion is the dominant limitation.

• 社団法人応用物理学会の論文
• 1996-11-01

著者

• NAKAMURA Shigeru

  Opto-Electronics Research Laboratories, NEC Corporation

• Tajima Kazuhito

  Opto-electronics Research Laboratories Nec Corp.

• Nakamura Shigeru

  Opto-electronics Research Laboratories Nec Corporation

関連論文

• Switching Experiments with a Mach-Zehnder-type All-Optical Device Based on the Band-Filling Nonlinearity in a GaAs Waveguide and Reduction in Its Relaxation Time
• Large Phase Shifts due to the X(^2) Cascading Nonlinearity in Large Walk-off and Loss Regimes in Semiconductors and Other Dispersive Materials
• Analysis of Subpicosecond Full-Switching with a Symmetric Mach-Zehnder All-Optical Switch
• All-Optical Switch with Switch-Off Time Unrestricted by Carrier Lifetime

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