Optical Broadband Switching Architecture Using Optoelectronic Logic Gates

S. F. Su; K. T. Koai

doi:10.1117/12.960112

9 February 1989 Optical Broadband Switching Architecture Using Optoelectronic Logic Gates

S. F. Su, K. T. Koai

Proceedings Volume 0994, Optoelectronic Materials, Devices, Packaging, and Interconnects II; (1989) https://doi.org/10.1117/12.960112
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

Current electronic broadband switch matrices employ discrete semiconductor devices or VLSI chips. Isolation between ON- and OFF-states degrades and crosstalk between input and output lines of these electronic switch matrices increases at high operation frequencies. These will limit electronic switch matrices to low-frequency or low-bit-rate operations. In addition, optical-to-electrical (electrical-to-optical) conversions at the input (output) ends are required for these switch matrices to be used in a fiber environment. One way to achieve broadband, low-crosstalk, and high-isolation switching and to eliminate E/O and O/E conversions is to use optical switches. This paper describes an optical broadband switching architecture using optical/optoelectronic logic gates. Input and output signals are optical. No E/O or O/E conversions are needed for this architecture. The optical/optoelectronic logic gates that can be employed in this architecture are reviewed. Performance of this architecture is evaluated by calculating the crosstalk, isolation, insertion loss, switch matrix size, drive power, and switching speed. Technologies needed for hybrid and monolithic implementations of this architecture are also identified.

Citation Download Citation

S. F. Su and K. T. Koai "Optical Broadband Switching Architecture Using Optoelectronic Logic Gates", Proc. SPIE 0994, Optoelectronic Materials, Devices, Packaging, and Interconnects II, (9 February 1989); https://doi.org/10.1117/12.960112

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