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Modulation of signals in optical systems

Mohammad Khazani Abdullah. (2007) Modulation of signals in optical systems.

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Abstract

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.

Item Type:Patent
Keyword:Optical system; Optical signals.
Faculty or Institute:Faculty of Engineering
ID Code:20430
Deposited By: Zubaidah Iberahim
Deposited On:05 Jun 2013 14:44
Last Modified:05 Jun 2013 14:44

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