DocumentCode
520107
Title
Multi-gigahertz photon counting using InGaAs APDs
Author
Yuan, Z.L. ; Sharpe, A.W. ; Dynes, J.F. ; Dixon, A.R. ; Shields, A.J.
Author_Institution
Cambridge Res. Lab., Toshiba Res. Eur. Ltd., Cambridge, UK
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
Abstract
We demonstrate multi-gigahertz photon-counting at 1550nm using self-differencing In-GaAs APDs. The quantum efficiency is characterized as 23.5% at an after-pulse probability of 4.84%. The device will further increase the bit-rate for fiber quantum key distribution.
Keywords
III-V semiconductors; avalanche photodiodes; indium compounds; photon counting; quantum cryptography; APD; InGaAs; fiber quantum key distribution; multi-gigahertz photon counting; quantum efficiency; wavelength 1550 nm; Avalanche photodiodes; Circuit optimization; Delay; Europe; Frequency; Indium gallium arsenide; Photonics; Tunable circuits and devices; Tuned circuits; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-55752-890-2
Electronic_ISBN
978-1-55752-890-2
Type
conf
Filename
5499669
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