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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 17232–17243

Resilience in optical ring-resonant switches

Kevin A. Williams, Abhinav Rohit, and Madeleine Glick  »View Author Affiliations

Optics Express, Vol. 19, Issue 18, pp. 17232-17243 (2011)

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Phase-modulated ring resonant switches are receiving increasing attention for monolithic Silicon photonic networks. Resilience to fabrication variations and operational tolerances are however required to create networks with sufficient connectivity and bandwidth. In this work we use the combination of vectorial optical-mode propagation and transfer matrix calculation to map fabrication-level feature size variation to the optical switch performance metrics for extinction ratio, bandwidth and power penalty. Fabrication tolerances may be relaxed considerably through the combination of moderate size directional couplers of up to 30 µm, moderate 400 GHz free spectral range resonator design and the use of fifth order resonance. High speed 10Gb/s, wavelength-multiplex-compliant, optical signal routing is predicted with on-state power penalties of 0.2 dB – 0.7 dB and off-state signal extinctions of – 62dB.

© 2011 OSA

OCIS Codes
(200.4650) Optics in computing : Optical interconnects
(250.5300) Optoelectronics : Photonic integrated circuits
(250.6715) Optoelectronics : Switching

ToC Category:

Original Manuscript: April 29, 2011
Revised Manuscript: June 10, 2011
Manuscript Accepted: June 12, 2011
Published: August 18, 2011

Kevin A. Williams, Abhinav Rohit, and Madeleine Glick, "Resilience in optical ring-resonant switches," Opt. Express 19, 17232-17243 (2011)

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