Demonstration of a high-efficiency free-space optical communications link

被引：2

作者：

Birnbaum, Kevin ^{[1
]}

Farr, William ^{[1
]}

Gin, Jonathan ^{[1
]}

Moision, Bruce ^{[1
]}

Quirk, Kevin ^{[1
]}

Wright, Malcolm ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

来源：

FREE-SPACE LASER COMMUNICATION TECHNOLOGIES XXI | 2009年 / 7199卷

关键词：

Optical Communications; Pulse-Position-Modulation;

D O I：

10.1117/12.809720

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we discuss recent progress on the implementation of a hardware free-space optical communications test-bed. The test-bed implements an end-to-end communications system comprising a data encoder, modulator, laser-transmitter, telescope, detector, receiver and error-correction-code decoder. Implementation of each of the component systems is discussed, with an emphasis on 'real-world' system performance degradation and limitations. We have demonstrated real-time data rates of 44 Mbps and photon efficiencies of approximately 1.8 bits/photon over a 100m free-space optical link.

引用

页数：12

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