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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 3 — Jan. 30, 2012
  • pp: 3219–3224

23 GHz Ge/SiGe multiple quantum well electro-absorption modulator

Papichaya Chaisakul, Delphine Marris-Morini, Mohamed-Saïd Rouifed, Giovanni Isella, Daniel Chrastina, Jacopo Frigerio, Xavier Le Roux, Samson Edmond, Jean-René Coudevylle, and Laurent Vivien  »View Author Affiliations


Optics Express, Vol. 20, Issue 3, pp. 3219-3224 (2012)
http://dx.doi.org/10.1364/OE.20.003219


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Abstract

We report on high speed operation of a Ge/SiGe multiple quantum well (MQW) electro-absorption modulator in a waveguide configuration. 23 GHz bandwidth is experimentally demonstrated from a 3 µm wide and 90 µm long Ge/SiGe MQW waveguide. The modulator exhibits a high extinction ratio of more than 10 dB over a wide spectral range. Moreover with a swing voltage of 1 V between 3 and 4 V, an extinction ratio as high as 9 dB can be obtained with a corresponding estimated energy consumption of 108 fJ per bit. This demonstrates the potentiality of Ge/SiGe MQWs as a building block of silicon compatible photonic integrated circuits for short distance energy efficient optical interconnections.

© 2012 OSA

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(160.2100) Materials : Electro-optical materials
(200.4650) Optics in computing : Optical interconnects
(230.2090) Optical devices : Electro-optical devices
(230.4205) Optical devices : Multiple quantum well (MQW) modulators
(130.4110) Integrated optics : Modulators

ToC Category:
Optoelectronics

History
Original Manuscript: December 15, 2011
Revised Manuscript: January 17, 2012
Manuscript Accepted: January 17, 2012
Published: January 26, 2012

Citation
Papichaya Chaisakul, Delphine Marris-Morini, Mohamed-Saïd Rouifed, Giovanni Isella, Daniel Chrastina, Jacopo Frigerio, Xavier Le Roux, Samson Edmond, Jean-René Coudevylle, and Laurent Vivien, "23 GHz Ge/SiGe multiple quantum well electro-absorption modulator," Opt. Express 20, 3219-3224 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-3-3219


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