Journal
OPTICS EXPRESS
Volume 22, Issue 10, Pages 12614-12627Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.012614
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Funding
- National Natural Science Foundation of China (NSFC) [61204061, 61235001, 61377067]
- National High Technology Research and Development Program of China [2012AA012202, 2013AA014203]
- Scientific and Technological Innovation Cross Team of Chinese Academy of Sciences
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We propose a universal method for constructing N-port non-blocking optical router for photonic networks-on-chip, in which all microring (MR) optical switches or Mach-Zehnder (M-Z) optical switches behave as 2 x 2 optical switches. The optical router constructed by the proposed method has minimum optical switches, in which the number of the optical switches is reduced about 50% compared to the reported optical routers based on MR optical switches and more than 30% compared to the reported optical routers based on M-Z optical switches, and therefore is more compact in footprint and more power-efficient. We also present a strict mathematical proof of the non-blocking routing of the proposed N-port optical router. (C) 2014 Optical Society of America
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