Measurement of photon distribution in attenuated diode laser pulses

Lian-Tuan Xiao; Romain Alleaume; Quyen Dinh Xuan; Francois Treussart; Bernard A. Journet; Jean-Francois Roch

doi:10.1117/12.474380

25 July 2003 Measurement of photon distribution in attenuated diode laser pulses

Lian-Tuan Xiao, Romain Alleaume, Quyen Dinh Xuan, Francois Treussart, Bernard A. Journet, Jean-Francois Roch

Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003) https://doi.org/10.1117/12.474380
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

Faint laser pulses are practical signal sources in quantum key distribution. The photon statistics has been measured by recording every photo-counts moment and leading directly to the Mandel parameter of the photon distribution. Two different types operation of a single mode laser diode have been considered: either direct pulsing of the driving current or CW emission followed by pulse-shaping using an acousto-optic modulator. In both cases, it has been found that for practical attenuations, the photon distribution in each light pulse follows a poissonian statistics.

Citation Download Citation

Lian-Tuan Xiao, Romain Alleaume, Quyen Dinh Xuan, Francois Treussart, Bernard A. Journet, and Jean-Francois Roch "Measurement of photon distribution in attenuated diode laser pulses", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003); https://doi.org/10.1117/12.474380

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