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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 22 — Oct. 29, 2007
  • pp: 14887–14900

Frequency-dependent electric dc power consumption model including quantum-conversion efficiencies in ultrafast all-optical semiconductor gates around 160 Gb/s

Jun Sakaguchi, Ferran Salleras, Kohsuke Nishimura, and Yoshiyasu Ueno  »View Author Affiliations

Optics Express, Vol. 15, Issue 22, pp. 14887-14900 (2007)

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Based on nine up-to-date types of semiconductor-optical-amplifier (SOA) samples, we devised a power-consumption model of SOA-based all-optical gates as a tool to develop faster and more efficient OTDM systems for bitrates from 10 to 160 Gb/s and those over 160 Gb/s. The conventional effect of a continuous wave (cw) holding beam was included in the model. Furthermore, in this work we defined three step-wise quantum conversion efficiencies η1, η2, and η3 from current-injected carriers through photons. The dependence of each of the three efficiencies on the SOA-structure was studied. The total efficiency ηT observed for the nine SOAs ranged widely from 0.07 to 0.46. The validity of the power-consumption model was verified by systematically measuring the effective carrier recovery rate. According to our model, the power consumption of the best existing SOA-based gate for 160-Gb/s signals is 750 mW, and this increases at a rate approximately proportional to (bitrate)2, and decreases proportionally to (1ηT)2.

© 2007 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(060.1155) Fiber optics and optical communications : All-optical networks

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 31, 2007
Revised Manuscript: October 23, 2007
Manuscript Accepted: October 24, 2007
Published: October 26, 2007

Jun Sakaguchi, Ferran Salleras, Kohsuke Nishimura, and Yoshiyasu Ueno, "Frequency-dependent electric dc power consumption model including quantum-conversion efficiencies in ultrafast all-optical semiconductor gates around 160 Gb/s," Opt. Express 15, 14887-14900 (2007)

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