Modulation of signals in optical systems

A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical si...

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Main Authors: Abdullah, Mohammad Khazani, Dimyati, Kaharudin, Abas @ Ismail, Ahmad Fauzi, Endut, Rosdisham, Abdullah, Fairuz
Format: Patent
Published: 2007
Online Access:http://psasir.upm.edu.my/id/eprint/20430/
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spelling my.upm.eprints.204302013-06-05T06:44:36Z http://psasir.upm.edu.my/id/eprint/20430/ Modulation of signals in optical systems Abdullah, Mohammad Khazani Dimyati, Kaharudin Abas @ Ismail, Ahmad Fauzi Endut, Rosdisham Abdullah, Fairuz A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical signals of different wavelength or of the same wavelength but differently encoding, combining the two optical signals into a single optical fibre, separating the combined signals into an un-inverted and an inverted optical signal, reconverting the two optical signals to two electrical signals, determining the difference in voltage between corresponding bits of the two signals and generating a digital electrical output signal based on that difference. The invention also includes a modulation arrangement for use in the method. 2007-07-31 Patent NonPeerReviewed Mohammad Khazani Abdullah (2007) Modulation of signals in optical systems. UNSPECIFIED.
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description A method for modulating signals in an optical system comprises generating a digital electrical input signal, dividing the signal into two parts, passing one part of the signal to an electrical inverter, converting the un-inverted and inverted electrical signals to un-inverted and inverted optical signals of different wavelength or of the same wavelength but differently encoding, combining the two optical signals into a single optical fibre, separating the combined signals into an un-inverted and an inverted optical signal, reconverting the two optical signals to two electrical signals, determining the difference in voltage between corresponding bits of the two signals and generating a digital electrical output signal based on that difference. The invention also includes a modulation arrangement for use in the method.
format Patent
author Abdullah, Mohammad Khazani
Dimyati, Kaharudin
Abas @ Ismail, Ahmad Fauzi
Endut, Rosdisham
Abdullah, Fairuz
spellingShingle Abdullah, Mohammad Khazani
Dimyati, Kaharudin
Abas @ Ismail, Ahmad Fauzi
Endut, Rosdisham
Abdullah, Fairuz
Modulation of signals in optical systems
author_facet Abdullah, Mohammad Khazani
Dimyati, Kaharudin
Abas @ Ismail, Ahmad Fauzi
Endut, Rosdisham
Abdullah, Fairuz
author_sort Abdullah, Mohammad Khazani
title Modulation of signals in optical systems
title_short Modulation of signals in optical systems
title_full Modulation of signals in optical systems
title_fullStr Modulation of signals in optical systems
title_full_unstemmed Modulation of signals in optical systems
title_sort modulation of signals in optical systems
publishDate 2007
url http://psasir.upm.edu.my/id/eprint/20430/
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score 13.211869