Simultaneous bi-directional all-optical multipoint-to-multipoint switching for free-space optical communication networks

A new, to our knowledge, simultaneous bi-directional all-optical multipoint-to-multipoint switching scheme is proposed and experimentally demonstrated for free-space optical (FSO) communication networks. Through tuning the optical switch at the core node, the communication link between each two arbi...

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Bibliographic Details
Published in:Applied optics (2004) 2024-11, Vol.63 (33), p.8533
Main Authors: Xu, Weimin, Ming, Chengze, Xie, Ke, Li, Tianyan, Yao, Haifeng, Liu, Zhi, Dong, Keyan, Shi, Yaocheng, Dai, Daoxin, Gao, Shiming
Format: Article
Language:English
Subjects:
Bit error rate
Communication networks
Free space optics
Free-space optical communication
Optical switching
Quadrature phase shift keying
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Summary:A new, to our knowledge, simultaneous bi-directional all-optical multipoint-to-multipoint switching scheme is proposed and experimentally demonstrated for free-space optical (FSO) communication networks. Through tuning the optical switch at the core node, the communication link between each two arbitrary remote nodes can be established. The multipoint transmission performance is tested in a turbulence-tunable atmospheric cell using a 6.25 Gbit/s quadrature phase-shift keying (QPSK) signal. At the bit error rate (BER) of 1×10 −3 , the power penalty is
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.541736