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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 567–569

Tunable silicon Fabry–Perot comb filters formed by Sagnac loop mirrors

Xiaomeng Sun, Linjie Zhou, Jingya Xie, Zhi Zou, Liangjun Lu, Haike Zhu, Xinwan Li, and Jianping Chen  »View Author Affiliations

Optics Letters, Vol. 38, Issue 4, pp. 567-569 (2013)

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We experimentally demonstrate tunable silicon comb filters based on Fabry–Perot (FP) resonators composed of two Sagnac loop mirrors. The comb filter resolves up to 54 comb lines with a 115 GHz channel spacing over a spectral range from 1510 to 1560 nm. The comb line extinction ratio is 26.3dB and the quality factor is 57,000 around 1550 nm wavelength. Electrical tuning is enabled via periodically interleaved PN junctions embedded inside the FP resonator. The comb lines are blue shifted by 0.92nm (one channel spacing) with a 5 mA forward-bias current and red-shifted by 0.05nm with a 10V reverse-bias voltage.

© 2013 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.2090) Optical devices : Electro-optical devices
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: November 28, 2012
Revised Manuscript: January 11, 2013
Manuscript Accepted: January 21, 2013
Published: February 13, 2013

Xiaomeng Sun, Linjie Zhou, Jingya Xie, Zhi Zou, Liangjun Lu, Haike Zhu, Xinwan Li, and Jianping Chen, "Tunable silicon Fabry–Perot comb filters formed by Sagnac loop mirrors," Opt. Lett. 38, 567-569 (2013)

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