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Optical routers for photonic networks-on-chip

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9 Author(s)
Lin Yang ; Optoelectronic System Laboratory and State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, P. O. Box 912, Beijing 100083, China ; Ruiqiang Ji ; Lei Zhang ; Yonghui Tian
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We experimentally demonstrated four- and five-port non-blocking optical routers for photonic networks-on-chip. The optical routers are based on cascaded microring resonators. New topology design reduces the number of microring resonators and crossings, improving the performances in terms of tuning power consumption, optical loss, crosstalk and channel uniformity of the optical routers. The efficient footprints are 300×340 μm2 and 440×660 μm2 for fourand five-port optical routers, respectively. Static spectrum tests show that the 3-dB bandwidths are larger than 0.12 nm and 0.31 nm, the extinction ratios are larger than 13 dB and 20 dB for through ports, 30 dB and 16 dB for drop ports, for four- and five-port optical routers, respectively. Moreover, routing functionality and signal integrity are verified by 12.5 Gbps high-speed signal transmission experiments using the NRZ 231-1 PRBS pattern.

Published in:

Communications and Photonics Conference and Exhibition, 2011. ACP. Asia

Date of Conference:

13-16 Nov. 2011