Abstract
High-speed optical demultiplexing has become increasingly important for use in realizing a terabit-per-second optical-communication system.1,2 For such ultrahigh-speed communication, a time separation of 1 ps and a transmitting pulse width of much narrower than 1 ps are required when we use a single carrier wavelength. Electronic subpicosecond switching is difficult at present, which means that subpicosecond optical demultiplexing is indispensable to the achievement of such a communication system. Because a conventional detection system operates at a maximum speed of 10 GHz, 10-GHz optical demultiplexing with a gate width of less than 1 ps is the most attractive candidate for achieving terabit-per-second communication.
© 1995 Optical Society of America
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