Optical time-division multiplexing

Details Optical time-division multiplexing Optical time-division multiplexing

1992-07-06

1994-07-19

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359123, 359128, H04J 1402, H04J 1408

Patent

active

053314514

ABSTRACT:
Optical time-division multiplexing of two or more digital optical input signals applied to an optical multiplex element to produce a single optical output signal is performed. In the multiplex element, the input signals are optically switched through in alternation, a through-switching time interval being shorter than the duration of a pulse of the input signal. An optical time-division multiplexer has at least one multiplex element to which at least two optical signal are input, the signals having carriers of different wavelengths. The signals are connected to an optical signal output via a junction. The signals can be switched through to the signal output in alternation by a switchable filter.

REFERENCES:
patent: 5115331 (1992-05-01), Gookin
Habara et al., "Optical Switching Networks Using Tree-Structured Waveguide Optical Switches," Electronics and Communications in Japan 70, Nov. 1987, No. 11, Part I, pp. 118-127.
Cada et al., "Two-Wavelength Optical Switching in a GaAs Multiple Quantum Well Directional Coupler," Applied Physics Letters 56 May 21, 1990, No. 21, pp. 2080-2082.
Tucker et al., "Optical Time-Division Multiplexed Fiber Transmission Using Ti:LiNbO.sub.3 Waveguide Switch/Modulators" IEEE/IEICE Global Telecommunications Conference, Nov. 15-18, 1987, Tokyo, Japan, pp. 1302-1304.
Tucker et al., "Optical Time-Division Multiplexing For Very High Bit-Rate Transmission," Journal of Lightwave Technology, Nov. 1988, No. 11, pp. 1737-1749.
Tucker et al., "16 Gbit/s Fibre Transmission Experiment Using Optical Time-Division Multiplexing", Electronic Letters, vol. 23, No. 24, pp. 1270-1271, Nov. 19, 1987.

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