Universiti Teknologi Malaysia Institutional Repository

Performance enhancement of pre-spectrum slicing technique for wavelength conversion

Kharraz, Osayd M. and Ahmad, Harith and Mohammad, Abu Bakar and Forsyt, David I. and Dernaika, Mohamad and Harun, Sulaiman Wadi (2015) Performance enhancement of pre-spectrum slicing technique for wavelength conversion. Optics Communications, 350 . pp. 154-159. ISSN 0030-4018

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Official URL: http://dx.doi.org/10.1016/j.optcom.2015.03.051


This paper details a proposal and successful demonstration of an ultra-narrow and very high optical signal-to-noise ratio wavelength converted channel that was generated from an efficient ultra-narrow pre-spectrum sliced probe channel via four-wave mixing in a highly non-linear fiber medium. An array of narrowband fiber Bragg grating filters acted as a discriminative component to pre-spectrum slice the probe channel from backward amplified spontaneous emission, which, in turn, induced an additional fiber Bragg grating filtering mechanism within an erbium-doped fiber medium in a saturable configuration. A resultant optical signal-to-noise ratio of more than 70 dB in the probe channel gave rise to a 40 dB optical signal-to-noise ratio in the converted channel. These outcomes indicate the proposed scheme is highly suitable for practical, cost-effective wavelength conversion in any "pre-spectrum sliced" optical communication system.

Item Type:Article
Uncontrolled Keywords:all-optical wavelength conversion, four-wave mixing, gain saturation, passive filtering, pre-spectrum slicing
Subjects:A General Works
ID Code:58783
Deposited By: Haliza Zainal
Deposited On:04 Dec 2016 12:07
Last Modified:04 May 2017 11:54

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