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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 8 — Apr. 9, 2012
  • pp: 9038–9045

p-i-n junction quantum dot saturable absorber mirror: electrical control of ultrafast dynamics

Svetlana A. Zolotovskaya, Mantas Butkus, Reto Häring, Andreas Able, Wilhelm Kaenders, Igor L. Krestnikov, Daniil A. Livshits, and Edik U. Rafailov  »View Author Affiliations

Optics Express, Vol. 20, Issue 8, pp. 9038-9045 (2012)

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We report on nonlinear optical properties of a p-i-n junction quantum dot saturable absorber based on InGaAs/GaAs. Absorption recovery dynamics and nonlinear reflectivity are investigated for different reverse bias and pump power conditions. A decrease in absorption recovery time of nearly two orders of magnitude is demonstrated by applying a voltage between 0 and −20 V. The saturable absorber modulation depth and saturation fluence are found to be independent from the applied reverse bias.

© 2012 OSA

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(230.4320) Optical devices : Nonlinear optical devices
(320.7150) Ultrafast optics : Ultrafast spectroscopy
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 6, 2012
Revised Manuscript: March 13, 2012
Manuscript Accepted: March 28, 2012
Published: April 3, 2012

Svetlana A. Zolotovskaya, Mantas Butkus, Reto Häring, Andreas Able, Wilhelm Kaenders, Igor L. Krestnikov, Daniil A. Livshits, and Edik U. Rafailov, "p-i-n junction quantum dot saturable absorber mirror: electrical control of ultrafast dynamics," Opt. Express 20, 9038-9045 (2012)

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