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dc.contributor.authorPatnaik B.en_US
dc.contributor.authorSahu P.K.en_US
dc.description.abstractA novel 1.28Tbps dense wave length division multiplexing system for free-space optical communication is proposed. The system is a line-of-sight configuration and uses coherent optical quadrature phase shift keying (QPSK) modulation technique. The system consists of 32-channels, with bit-rate of 40-Gbps/channel and adjacent channel spacing of 200GHz. The system is analyzed for various modulation formats; such as return-to-zero, non-return-to-zero and coherent-optical QPSK modulation technique. The performance of the proposed system is analyzed in terms of bit-error-rate, Q-factor, eye opening etc. For an input power level of 10dBm and employing coherent optical QPSK modulation technique, the coverage distance observed is 1360km. � 2012 IEEE.en_US
dc.subjectbit error rateen_US
dc.subjectcoherent optical quadrature phase shift keying modulationen_US
dc.subjectdense wave length division multiplexingen_US
dc.subjectFree-space optical communicationen_US
dc.titleNovel QPSK modulation technique for DWDM free space optical communication systemen_US
dc.typeConference Paperen_US
Appears in Collections:Research Publications

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