Mid-infrared single-photon counting.
- Temporão G Group of Applied Physics, University of Geneva, 1211 Geneva 4, Switzerland. guilherme.temporao@physics.unige.ch
- Tanzilli S
- Zbinden H
- Gisin N
- Aellen T
- Giovannini M
- Faist J
- 2006-04-22
Published in:
- Optics letters. - 2006
English
We report a procedure to detect mid-infrared single photons at 4.65 microm by means of a two-stage scheme based on sum-frequency generation, by using a periodically poled lithium niobate nonlinear crystal and a silicon avalanche photodiode. An experimental investigation shows that, in addition to a high timing resolution, this technique yields a detection sensitivity of 1.24 pW with 63 mW of net pump power.
- Language
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- English
- Open access status
- green
- Identifiers
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- DOI 10.1364/ol.31.001094
- PMID 16625914
- Persistent URL
- https://sonar.ch/global/documents/221116
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