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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 26 — Dec. 30, 2013
  • pp: 32655–32667

A scalable silicon photonic chip-scale optical switch for high performance computing systems

Runxiang Yu, Stanley Cheung, Yuliang Li, Katsunari Okamoto, Roberto Proietti, Yawei Yin, and S. J. B. Yoo  »View Author Affiliations


Optics Express, Vol. 21, Issue 26, pp. 32655-32667 (2013)
http://dx.doi.org/10.1364/OE.21.032655


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Abstract

This paper discusses the architecture and provides performance studies of a silicon photonic chip-scale optical switch for scalable interconnect network in high performance computing systems. The proposed switch exploits optical wavelength parallelism and wavelength routing characteristics of an Arrayed Waveguide Grating Router (AWGR) to allow contention resolution in the wavelength domain. Simulation results from a cycle-accurate network simulator indicate that, even with only two transmitter/receiver pairs per node, the switch exhibits lower end-to-end latency and higher throughput at high (>90%) input loads compared with electronic switches. On the device integration level, we propose to integrate all the components (ring modulators, photodetectors and AWGR) on a CMOS-compatible silicon photonic platform to ensure a compact, energy efficient and cost-effective device. We successfully demonstrate proof-of-concept routing functions on an 8 × 8 prototype fabricated using foundry services provided by OpSIS-IME.

© 2013 Optical Society of America

OCIS Codes
(200.4650) Optics in computing : Optical interconnects
(230.3120) Optical devices : Integrated optics devices
(250.3140) Optoelectronics : Integrated optoelectronic circuits
(230.4555) Optical devices : Coupled resonators
(250.6715) Optoelectronics : Switching

ToC Category:
Optoelectronics

History
Original Manuscript: October 14, 2013
Revised Manuscript: December 11, 2013
Manuscript Accepted: December 14, 2013
Published: December 24, 2013

Citation
Runxiang Yu, Stanley Cheung, Yuliang Li, Katsunari Okamoto, Roberto Proietti, Yawei Yin, and S. J. B. Yoo, "A scalable silicon photonic chip-scale optical switch for high performance computing systems," Opt. Express 21, 32655-32667 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-26-32655


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