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Optics Letters

Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 9 — May. 1, 2012
  • pp: 1433–1435

Coherent detection of THz waves based on THz-induced time-resolved luminescence quenching in bulk gallium arsenide

Zheng Chu, Jinsong Liu, and Kejia Wang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 9, pp. 1433-1435 (2012)
http://dx.doi.org/10.1364/OL.37.001433


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Abstract

A kind of photoluminescence quenching, in which the time-resolved photoluminescence is modulated by a THz pulse, has been theoretically investigated by performing the ensemble Monte Carlo method in bulk gallium arsenide (GaAs) at room temperature. The quenching ratio could reach up to 50% under a strong THz field (100  kV/cm). The range in which luminescence quenching is linearly proportional to the THz field could be over 60  kV/cm. On the basis of these results, a principle for THz modulation and coherent detection is proposed.

© 2012 Optical Society of America

OCIS Codes
(250.5230) Optoelectronics : Photoluminescence
(260.3090) Physical optics : Infrared, far
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Optoelectronics

History
Original Manuscript: December 29, 2011
Revised Manuscript: February 28, 2012
Manuscript Accepted: March 4, 2012
Published: April 23, 2012

Citation
Zheng Chu, Jinsong Liu, and Kejia Wang, "Coherent detection of THz waves based on THz-induced time-resolved luminescence quenching in bulk gallium arsenide," Opt. Lett. 37, 1433-1435 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-9-1433

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