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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 6417–6422

High speed all optical logic gates based on quantum dot semiconductor optical amplifiers

Shaozhen Ma, Zhe Chen, Hongzhi Sun, and Niloy K. Dutta  »View Author Affiliations


Optics Express, Vol. 18, Issue 7, pp. 6417-6422 (2010)


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Abstract

A scheme to realize all-optical Boolean logic functions AND, XOR and NOT using semiconductor optical amplifiers with quantum-dot active layers is studied. nonlinear dynamics including carrier heating and spectral hole-burning are taken into account together with the rate equations scheme. Results show with QD excited state and wetting layer serving as dual-reservoir of carriers, as well as the ultra fast carrier relaxation of the QD device, this scheme is suitable for high speed Boolean logic operations. Logic operation can be carried out up to speed of 250 Gb/s.

© 2010 OSA

OCIS Codes
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(230.3750) Optical devices : Optical logic devices

ToC Category:
Optical Devices

History
Original Manuscript: April 22, 2009
Revised Manuscript: December 4, 2009
Manuscript Accepted: January 5, 2010
Published: March 15, 2010

Citation
, "High speed all optical logic gates based on quantum dot semiconductor optical amplifiers," Opt. Express 18, 6417-6422 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-7-6417


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