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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 23 — Nov. 8, 2010
  • pp: 23784–23789

GHz-bandwidth optical filters based on high-order silicon ring resonators

Po Dong, Ning-Ning Feng, Dazeng Feng, Wei Qian, Hong Liang, Daniel C. Lee, B. J. Luff, T. Banwell, A. Agarwal, P. Toliver, R. Menendez, T. K. Woodward, and Mehdi Asghari  »View Author Affiliations


Optics Express, Vol. 18, Issue 23, pp. 23784-23789 (2010)
http://dx.doi.org/10.1364/OE.18.023784


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Abstract

Previously demonstrated high-order silicon ring filters typically have bandwidths larger than 100 GHz. Here we demonstrate 1-2 GHz-bandwidth filters with very high extinction ratios (~50 dB). The silicon waveguides employed to construct these filters have propagation losses of ~0.5 dB/cm. Each ring of a filter is thermally controlled by metal heaters situated on the top of the ring. With a power dissipation of ~72 mW, the ring resonance can be tuned by one free spectral range, resulting in wavelength-tunable optical filters. Both second-order and fifth-order ring resonators are presented, which can find ready application in microwave/radio frequency signal processing.

© 2010 OSA

OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Optical Devices

History
Original Manuscript: September 9, 2010
Revised Manuscript: October 15, 2010
Manuscript Accepted: October 19, 2010
Published: October 27, 2010

Citation
Po Dong, Ning-Ning Feng, Dazeng Feng, Wei Qian, Hong Liang, Daniel C. Lee, B. J. Luff, T. Banwell, A. Agarwal, P. Toliver, R. Menendez, T. K. Woodward, and Mehdi Asghari, "GHz-bandwidth optical filters based on high-order silicon ring resonators," Opt. Express 18, 23784-23789 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-23-23784


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