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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 16 — Aug. 15, 2012
  • pp: 3462–3464

Demodulation of 20Gbaud/s differential quadrature phase-shift keying signals using wavelength-tunable silicon microring resonators

Ke Xu, Liang Wang, Gordon K. P. Lei, Zhenzhou Cheng, Yimin Chen, Chi Yan Wong, Chester Shu, and Hon Ki Tsang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 16, pp. 3462-3464 (2012)
http://dx.doi.org/10.1364/OL.37.003462


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Abstract

We experimentally demonstrate a demodulation scheme for 20Gbaud/s nonreturn-to-zero differential quadrature phase-shift keying signals using a silicon microring resonator. Either the I or Q channel can be selected by electrical tuning using the carrier depletion effect. Error-free (bit error rate <109) operations can be achieved for both the I and Q channels with 1.5dB power penalty compared with a commercial 20 GHz Mach–Zehnder delay interferometer. The tuning range of the ring resonator can be up to 60 GHz, which enables operation over a wide range of data rates.

© 2012 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(130.3120) Integrated optics : Integrated optics devices
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Optical Devices

History
Original Manuscript: May 22, 2012
Revised Manuscript: July 12, 2012
Manuscript Accepted: July 13, 2012
Published: August 15, 2012

Citation
Ke Xu, Liang Wang, Gordon K. P. Lei, Zhenzhou Cheng, Yimin Chen, Chi Yan Wong, Chester Shu, and Hon Ki Tsang, "Demodulation of 20  Gbaud/s differential quadrature phase-shift keying signals using wavelength-tunable silicon microring resonators," Opt. Lett. 37, 3462-3464 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3462


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