Integrated phased‐array switches for large‐scale photonic routing on chip
LASER & PHOTONICS REVIEWS(2012)
摘要
Integrated phased-array optical switches, having a high port-count scalability and broad spectral coverage, can potentially be used as building blocks of large-scale optical routers. In this article, recent works on monolithically integrated InP phased-array switches and their applications to optical packet switching (OPS) are reviewed. After describing the theory of integrated phased-array switches, experimental results on a single-stage 1 x 16 switch, which features wavelength-independent nanosecond switching characteristics, are presented. A series of OPS experiments, employing high-bit-rate optical packets with different modulation formats and a tunable optical buffering experiment are presented as potential applications of these switches. Finally, a large-scale monolithic switch with as many as 100 ports is realized on a single photonic integrated circuit by cascading the phased-array switches.
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关键词
Optical switches,phased arrays,photonic integrated circuits,optical packet switching
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