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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 5 — Mar. 1, 2010
  • pp: 5151–5160

A tunable 1x4 silicon CMOS photonic wavelength multiplexer/demultiplexer for dense optical interconnects

Xuezhe Zheng, Ivan Shubin, Guoliang Li, Thierry Pinguet, Attila Mekis, Jin Yao, Hiren Thacker, Ying Luo, Joey Costa, Kannan Raj, John E. Cunningham, and Ashok V. Krishnamoorthy  »View Author Affiliations


Optics Express, Vol. 18, Issue 5, pp. 5151-5160 (2010)
http://dx.doi.org/10.1364/OE.18.005151


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Abstract

We report the first compact silicon CMOS 1x4 tunable multiplexer/ demultiplexer using cascaded silicon photonic ring-resonator based add/drop filters with a radius of 12μm, and integrated doped-resistor thermal tuners. We measured an insertion loss of less than 1dB, a channel isolation of better than 16dB for a channel spacing of 200GHz, and a uniform 3dB pass band larger than 0.4nm across all four channels. We demonstrated accurate channel alignment to WDM ITU grid wavelengths using integrated silicon heaters with a tuning efficiency of 90pm/mW. Using this device in a 10Gbps data link, we observed a low power penalty of 0.6dB.

© 2010 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(130.0130) Integrated optics : Integrated optics
(250.0250) Optoelectronics : Optoelectronics
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Optoelectronics

History
Original Manuscript: December 11, 2009
Revised Manuscript: February 8, 2010
Manuscript Accepted: February 8, 2010
Published: February 25, 2010

Citation
Xuezhe Zheng, Ivan Shubin, Guoliang Li, Thierry Pinguet, Attila Mekis, Jin Yao, Hiren Thacker, Ying Luo, Joey Costa, Kannan Raj, John E. Cunningham, and Ashok V. Krishnamoorthy, "A tunable 1x4 silicon CMOS photonic wavelength multiplexer/demultiplexer for dense optical interconnects," Opt. Express 18, 5151-5160 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-5-5151


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