Digital coherent quadrature phase-shift-keying (QPSK)

U. Koc; A. Leven; Y. Chen; N. Kaneda

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Article . 2006 . Peer-reviewed

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Digital coherent quadrature phase-shift-keying (QPSK)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2006Publisher:IEEEJournal:2006 Optical Fiber Communication Conference and the National Fiber Optic Engineers Conference

Authors: U. Koc; A. Leven; Y. Chen; N. Kaneda;

doi: 10.1109/ofc.2006.215738

Digital coherent quadrature phase-shift-keying (QPSK)

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Abstract

Conventional coherent detection attempts to synchronize local lasers with transmit lasers indiscriminately without considering individual noise contributors. Handling each contributor properly, we proposed a novel approach for quadrature-phase-shift-keying to enable realization of coherent communication without need of synchronization.

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Bell Labs
United States

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