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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 10 — May. 10, 2010
  • pp: 9852–9858

Low power and compact reconfigurable multiplexing devices based on silicon microring resonators

Po Dong, Wei Qian, Hong Liang, Roshanak Shafiiha, Ning-Ning Feng, Dazeng Feng, Xuezhe Zheng, Ashok V. Krishnamoorthy, and Mehdi Asghari  »View Author Affiliations


Optics Express, Vol. 18, Issue 10, pp. 9852-9858 (2010)
http://dx.doi.org/10.1364/OE.18.009852


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Abstract

We present thermally reconfigurable multiplexing devices based on silicon microring resonators with low tuning power and low thermal crosstalk. Micro-heaters on top of the rings are employed to tune the resonant wavelengths through the thermo-optic effect of silicon. We achieve a low tuning power of 21 mW per free spectral range for a single ring by exploiting thermal isolation trenches close to the ring waveguides. Negligible thermal crosstalk is demonstrated for rings spaced by 15 µm, enabling compact multiplexing devices. The tuning time constant is demonstrated to be less than 10 µs.

© 2010 OSA

OCIS Codes
(200.4650) Optics in computing : Optical interconnects
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optical Devices

History
Original Manuscript: March 11, 2010
Revised Manuscript: April 12, 2010
Manuscript Accepted: April 13, 2010
Published: April 27, 2010

Citation
Po Dong, Wei Qian, Hong Liang, Roshanak Shafiiha, Ning-Ning Feng, Dazeng Feng, Xuezhe Zheng, Ashok V. Krishnamoorthy, and Mehdi Asghari, "Low power and compact reconfigurable multiplexing devices based on silicon microring resonators," Opt. Express 18, 9852-9858 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-10-9852


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