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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 14698–14704

Increased sensitivity through maximizing the extinction ratio of SOI delay-interferometer receiver for 10G DPSK

M. Aamer, A. Griol, A. Brimont, A. M. Gutierrez, P. Sanchis, and A. Håkansson  »View Author Affiliations

Optics Express, Vol. 20, Issue 13, pp. 14698-14704 (2012)

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We present an optimized design for a 10G- differential-phase-shift-keyed (DPSK) receiver based on a silicon-on-insulator (SOI) unbalanced tunable Mach-Zehnder interferometer (MZI) switch in sequence with a Mach-Zehnder delay interferometer (MZDI). The proposed design eliminates the limitation in sensitivity of the device produced by the waveguide propagation losses in the delay line. A 2.3 dB increase in receiver sensitivity at a bit-error-rate (BER) of 10−9 is experimentally measured over a standard implementation. The enhanced sensitivity is achieved with zero power consumption by tuning the operating wavelength or with less than 5mW for a fixed wavelength using microheaters. Also the foot-print of the device is minimized to 0.11mm2 by the use of compact spirals.

© 2012 OSA

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.3120) Optical devices : Integrated optics devices
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optical Devices

Original Manuscript: March 8, 2012
Revised Manuscript: May 8, 2012
Manuscript Accepted: May 10, 2012
Published: June 15, 2012

M. Aamer, A. Griol, A. Brimont, A. M. Gutierrez, P. Sanchis, and A. Håkansson, "Increased sensitivity through maximizing the extinction ratio of SOI delay-interferometer receiver for 10G DPSK," Opt. Express 20, 14698-14704 (2012)

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