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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 6462–6470

Bandwidth and wavelength-tunable optical bandpass filter based on silicon microring-MZI structure

Yunhong Ding, Minhao Pu, Liu Liu, Jing Xu, Christophe Peucheret, Xinliang Zhang, Dexiu Huang, and Haiyan Ou  »View Author Affiliations

Optics Express, Vol. 19, Issue 7, pp. 6462-6470 (2011)

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A novel and simple bandwidth and wavelength-tunable optical bandpass filter based on silicon microrings in a Mach-Zehnder interferometer (MZI) structure is proposed and demonstrated. In this filter design, the drop transmissions of two microring resonators are combined to provide the desired tunability. A detailed analysis and the design of the device are presented. The shape factor and extinction ratio of the filter are optimized by thermally controlling the phase difference between the two arms of the MZI. Simultaneous bandwidth and wavelength tunability with in-band ripple control is demonstrated by thermally tuning the resonance offset between the two microring resonators.

© 2011 OSA

OCIS Codes
(130.1750) Integrated optics : Components
(130.3120) Integrated optics : Integrated optics devices
(230.5750) Optical devices : Resonators
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: November 16, 2010
Revised Manuscript: February 17, 2011
Manuscript Accepted: February 18, 2011
Published: March 22, 2011

Yunhong Ding, Minhao Pu, Liu Liu, Jing Xu, Christophe Peucheret, Xinliang Zhang, Dexiu Huang, and Haiyan Ou, "Bandwidth and wavelength-tunable optical bandpass filter based on silicon microring-MZI structure," Opt. Express 19, 6462-6470 (2011)

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