Reduction of AM-induced penalty in DPSK receivers by sum-square demodulation

T. N. Nielsen; Ulrik Bo Gliese; Kristian Stubkjær

doi:10.1109/68.122391

Reduction of AM-induced penalty in DPSK receivers by sum-square demodulation

T. N. Nielsen, Ulrik Bo Gliese, Kristian Stubkjær

Technical University of Denmark

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Abstract

A DPSK (differential phase shift keying) demodulator which is insensitive to the amplitude modulation induced by semiconductor optical amplifier phase modulators is proposed. The demodulator consists of only two additional power dividers/combiners, compared to a traditional DPSK demodulator. Analysis shows that the receiver penalty caused by amplitude modulation can be reduced from 2-4 dB to zero. The demodulator is demonstrated in a 2.5-Gb/s DPSK system experiment using an optical amplifier as phase modulator

Original language	English
Journal	I E E E Photonics Technology Letters
Volume	4
Issue number	3
Pages (from-to)	275-277
ISSN	1041-1135
DOIs	https://doi.org/10.1109/68.122391
Publication status	Published - 1992

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Copyright: 1992 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Reduction of AM-induced penalty in DPSK receivers by sum-square demodulation",

abstract = "A DPSK (differential phase shift keying) demodulator which is insensitive to the amplitude modulation induced by semiconductor optical amplifier phase modulators is proposed. The demodulator consists of only two additional power dividers/combiners, compared to a traditional DPSK demodulator. Analysis shows that the receiver penalty caused by amplitude modulation can be reduced from 2-4 dB to zero. The demodulator is demonstrated in a 2.5-Gb/s DPSK system experiment using an optical amplifier as phase modulator",

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AU - Nielsen, T. N.

AU - Gliese, Ulrik Bo

AU - Stubkjær, Kristian

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PY - 1992

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N2 - A DPSK (differential phase shift keying) demodulator which is insensitive to the amplitude modulation induced by semiconductor optical amplifier phase modulators is proposed. The demodulator consists of only two additional power dividers/combiners, compared to a traditional DPSK demodulator. Analysis shows that the receiver penalty caused by amplitude modulation can be reduced from 2-4 dB to zero. The demodulator is demonstrated in a 2.5-Gb/s DPSK system experiment using an optical amplifier as phase modulator

AB - A DPSK (differential phase shift keying) demodulator which is insensitive to the amplitude modulation induced by semiconductor optical amplifier phase modulators is proposed. The demodulator consists of only two additional power dividers/combiners, compared to a traditional DPSK demodulator. Analysis shows that the receiver penalty caused by amplitude modulation can be reduced from 2-4 dB to zero. The demodulator is demonstrated in a 2.5-Gb/s DPSK system experiment using an optical amplifier as phase modulator

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DO - 10.1109/68.122391

M3 - Journal article

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JO - I E E E Photonics Technology Letters

JF - I E E E Photonics Technology Letters

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ER -

Reduction of AM-induced penalty in DPSK receivers by sum-square demodulation

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