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Proceedings Paper

Optical switch and interconnect techniques based on semiconductor optical amplifiers
Author(s): Deming Liu; Xiaojun Hu; Dexiu Huang
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Paper Abstract

In this paper the new progress in the researching fields of optical switch were reviewed. A compute model for calculating the switch speed, extinction ratio, noise figure, dynamic range as well as the switch gain was presented. The switch time, contrast ratio of SOA gate are calculated and evaluated. The methods to suppress the ASE noise are discussed. A novel and special method to extract optical route signal is presented. The result of the theoretical analysis showed that the optical gain of the SOA should be setup in optimum so as to obtain the best performances of the switch. An optical switch matrix using the polarization-insensitive strained quantum well SOAs and the optical couplers was fabricated and a novel and simplified method for extracting the logical control signal of the optical switch was specially designed, in which the optoelectronic integrated circuit (OEIC) techniques could be used to fabricate a compact, effect, high speed and low-cost optical switch matrix. IT is show that with the rapid improvement of OEIC techniques, the larger scale switch matrix based on SOA gate would be able to get into practice in the near future.

Paper Details

Date Published: 9 November 1999
PDF: 7 pages
Proc. SPIE 3899, Photonics Technology into the 21st Century: Semiconductors, Microstructures, and Nanostructures, (9 November 1999); doi: 10.1117/12.369414
Show Author Affiliations
Deming Liu, Huazhong Univ. of Science and Technology (China)
Xiaojun Hu, Huazhong Univ. of Science and Technology (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 3899:
Photonics Technology into the 21st Century: Semiconductors, Microstructures, and Nanostructures

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