Comparison of three nonlinear interferometric optical switch geometries
Toliver, Paul and Runser, Robert J. and Glesk, Ivan and Prucnal, Paul R. (2000) Comparison of three nonlinear interferometric optical switch geometries. Optics Communications, 175 (4). pp. 365-373. ISSN 0030-4018 (https://doi.org/10.1016/S0030-4018(00)00484-3)
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We present an experimental study of ultrafast all-optical interferometric switching devices based upon a resonant nonlinearity in a semiconductor optical amplifier (SOA). We experimentally compare three configurations: one based upon a Sagnac interferometer and the other two based upon Mach-Zehnder interferometers. By using picosecond pulses, we characterize the switching window of the three devices in terms of both temporal width and output peak-to-peak amplitude. These results are found to be in close agreement with a previously developed theoretical model. Since these nonlinear interferometric switches use an active device as the nonlinear element, relatively low control pulse energy is needed to perform switching as compared to other techniques. As a result, these optical switches are practical for all-optical demultiplexing and ultrafast optical sampling for future lightwave communication systems.
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Item type: Article ID code: 47724 Dates: DateEvent1 March 2000PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering
Science > Physics > Optics. LightDepartment: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 01 May 2014 14:02 Last modified: 18 Aug 2024 04:35 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/47724