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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 4 — Feb. 13, 2012
  • pp: 4796–4804

Slow-light-based variable symbol-rate silicon photonics DQPSK receiver

Keijiro Suzuki, Hong C. Nguyen, Takemasa Tamanuki, Fumihiro Shinobu, Yuji Saito, Yuya Sakai, and Toshihiko Baba  »View Author Affiliations


Optics Express, Vol. 20, Issue 4, pp. 4796-4804 (2012)
http://dx.doi.org/10.1364/OE.20.004796


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Abstract

We report a silicon DQPSK receiver whose symbol rate can be varied by a tunable one-bit delay line including an all-pass micro-ring slow-light device. It also consists of Si-wire waveguides with spot-size converters, optimized splitters/couplers, heater-controlled Mach-Zehnder attenuators and phase shifters, 90° hybrid with a low-loss crossing and balanced Ge photodiodes, all of which are fabricated by using CMOS-compatible process. Demodulation was confirmed at symbol-rates of 7.4 − 9.0 Gbaud, corresponding to bit-rates of 14.8 − 18.0 Gb/s.

© 2012 OSA

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(200.4650) Optics in computing : Optical interconnects
(230.3120) Optical devices : Integrated optics devices
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Integrated Optics

History
Original Manuscript: January 18, 2012
Revised Manuscript: February 6, 2012
Manuscript Accepted: February 7, 2012
Published: February 10, 2012

Citation
Keijiro Suzuki, Hong C. Nguyen, Takemasa Tamanuki, Fumihiro Shinobu, Yuji Saito, Yuya Sakai, and Toshihiko Baba, "Slow-light-based variable symbol-rate silicon photonics DQPSK receiver," Opt. Express 20, 4796-4804 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-4-4796


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