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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9737–9743

Fast saturable absorption and 10 GHz wavelength conversion in Al-quaternary multiple quantum wells

Richard P. Green, Mohsin Haji, Lianping Hou, Gabor Mezosi, Rafal Dylewicz, and Anthony E. Kelly  »View Author Affiliations

Optics Express, Vol. 19, Issue 10, pp. 9737-9743 (2011)

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We measured the absorption recovery times in reverse biased AlInGaAs multiple quantum well material designed to emit at around 1.5 μm wavelength. Absorption recovery times as low as 2.5ps were found at −4V bias, with values below 5ps consistently found for biases above 3V. The short absorption recovery times obtained under reverse bias were confirmed by using cross-absorption modulation in the material to demonstrate wavelength conversion of a 10GHz pulse train, showing both up and down conversion of the incident pulses.

© 2011 OSA

OCIS Codes
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(320.5390) Ultrafast optics : Picosecond phenomena
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Optical Devices

Original Manuscript: January 7, 2011
Revised Manuscript: April 1, 2011
Manuscript Accepted: April 5, 2011
Published: May 4, 2011

Richard P. Green, Mohsin Haji, Lianping Hou, Gabor Mezosi, Rafal Dylewicz, and Anthony E. Kelly, "Fast saturable absorption and 10 GHz wavelength conversion in Al-quaternary multiple quantum wells," Opt. Express 19, 9737-9743 (2011)

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