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Scientific article
English

Detection of mid-IR radiation by sum frequency generation for free space optical communication

Contributors

Karstad, Ketil; Stefanov, André; Wegmuller, Mark; Zbinden, Hugo; Gisin, Nicolas; Aellen, Thierry; Beck, Mattias; Faist, Jérôme

Published in

Optics and lasers in engineering, vol. 43, no. 3-5, p. 537-544

Publication date

2005

Abstract

We present an experiment where mid-infrared radiation is detected indirectly via the second-order non-linear process of sum frequency generation. The mid-infrared sources used for the experiment are quantum cascade lasers, and we use a pump wavelength that yields an up-converted wavelength within the detection window of Silicon avalanche photo diodes. Compared with direct detection using state-of-the-art mid-infrared semiconductor detectors, the detection scheme we propose in this paper has the advantages of greater bandwidth and lower noise equivalent power.

Keywords

  • Sum frequencygeneration
  • Mid-infrared detection
  • Quantum cascade laser

UNIGE affiliation entities

Citation (ISO format)

KARSTAD, Ketil et al. Detection of mid-IR radiation by sum frequency generation for free space optical communication. In: Optics and lasers in engineering, 2005, vol. 43, n° 3-5, p. 537–544. doi: 10.1016/j.optlaseng.2004.05.006

Main files (1)

Article (Published version)

Identifiers

Additional URL for this publication

http://linkinghub.elsevier.com/retrieve/pii/S0143816604001083

Journal ISSN

0143-8166
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Technical informations

Creation

20/05/2014 09:05:00

First validation

20/05/2014 09:05:00

Update

14/03/2023 21:14:38

Status update

14/03/2023 21:14:37

Last indexation

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