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학술지 Integrated Reconfigurable Silicon Photonics Switch Matrix in IRIS Project: Technological Achievements and Experimental Results
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Francesco Testa, Stefano Tondini, Fabrizio Gambini, Philippe Velha, Alberto Bianchi, Christophe Kopp, Michael Hofbauer, Costanza Lucia Manganelli, Nikola Zecevic, Stefano Faralli, Gabriel Pares, Reinhard Enne, Aina Serrano, Bernhard Goll, Giorgio Fontana, Astghik Chalyan, 이종무, Paolo Pintus, Guido Chiaretti, Horst Zimmermann, Lorenzo Pavesi, Claudio J. Oton, Stefano Stracca
IEEE/OSA Journal of Lightwave Technology, v.37 no.2, pp.345-355
Optical Society of America (OSA)
15PB5900, 실리콘 포토닉스 기반 SDN용 12채널 4x8 광스위치 모듈 개발, 이종무
This paper reports the performances of a silicon photonics optical switch matrix fabricated by using large-scale three-dimensional (3-D) integration. The wavelength selective optical switch consists of a photonic integrated circuit (PIC), with 1398 circuit elements, interconnected in a 3-D stack with its control electronic integrated circuit (EIC). Each PIC element can be trimmed or reconfigured by using metallic heaters. The EIC is designed to drive the heaters and to read the signal of monitor photodiodes integrated into the PIC. Small footprint and high energy efficiency are achieved in the PIC and the EIC. Automatic wavelength alignment of the optical circuits in the PIC to the ITU grid and fine temperature tuning of each photonic element to optimize the switch insertion losses are obtained by an optimization routine. A fully packaged switch with input/output fibers is tested both for optical and electrical characteristics as well as for the system performances. Fiber-to-fiber insertion losses of about 20 dB and channel isolation of -35 dB are achieved. Bit error rate characteristics at 25 Gb/s are evaluated. Perspective applications of the optical switch in optical transport and intra-data center networks are discussed.
KSP 제안 키워드
Bit Error Rate(And BER), Data Center Networks, ITU grid, Monitor photodiodes, Optical circuit, Optical switches, Optical transport, Silicon photonics, Switch matrix, Temperature tuning, electrical characteristics