期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 14, 期 10, 页码 1439-1441出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2002.802426
关键词
counterpropagating operation; optical communication; optical logic devices; semiconductor optical amplifiers
The authors present a novel all-optical logic NOR gate using two-cascaded semiconductor optical amplifiers (SOAs) in a counterpropagating feedback configuration. This configuration accentuates the gain nonlinearity due to the mutual gain modulation of the two SOAs. The, all-optical NOR gate feasibility has been demonstrated delivering an extinction ratio higher than 12 dB over a wide range of wavelength.
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