Experimental study of polarization-switched-QPSK subcarrier modulation and iterative demapping on optical OFDM systems

We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus conventional polarization-multiplex is achieved.

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Main Authors: Masalkina, E, Dischler, R, Bulow, H
Format: Conference Proceeding
Language:English
Subjects:
(060.2330) Fiber optics communications
(060.4080) Modulation
Bit error rate
Decoding
Modulation
OFDM
Optical fibers
Optical polarization
Parity check codes
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creator Masalkina, E
Dischler, R
Bulow, H
description We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus conventional polarization-multiplex is achieved.
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ispartof 2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, 2011, p.1-3
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects (060.2330) Fiber optics communications
(060.4080) Modulation
Bit error rate
Decoding
Modulation
OFDM
Optical fibers
Optical polarization
Parity check codes
title Experimental study of polarization-switched-QPSK subcarrier modulation and iterative demapping on optical OFDM systems
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