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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 1 — Jan. 10, 2005
  • pp: 290–295

Reduced component count optical delay discriminator using a semiconductor optical amplifier-detector

Arthur James Lowery and Malin Premaratne  »View Author Affiliations

Optics Express, Vol. 13, Issue 1, pp. 290-295 (2005)

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Cross-gain modulation between pairs of counter-propagating pulses within a semiconductor optical amplifier is used as a pulse delay detector. Unlike previous designs based on differential photodiodes, the difference between average powers of the pulse trains after propagation are deduced from the voltage difference between two contacts on the SOA, eliminating the photodiodes and two optical couplers. Simulations show the design can be improved by adding a third contact. The linearity, sensitivity and noise performance of the design equal or surpass the original design.

© 2005 Optical Society of America

OCIS Codes
(250.3140) Optoelectronics : Integrated optoelectronic circuits
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
Research Papers

Original Manuscript: November 29, 2004
Revised Manuscript: December 26, 2004
Manuscript Accepted: January 2, 2005
Published: January 10, 2005

Arthur James Lowery and Malin Premaratne, "Reduced component count optical delay discriminator using a semiconductor optical amplifier-detector," Opt. Express 13, 290-295 (2005)

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