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Fibre-based narrowband optical filters and sources

Fibre-based narrowband optical filters and sources
Fibre-based narrowband optical filters and sources
Optical filtering is perhaps one of the most basic signal-processing functions and consequently finds a wide variety of applications throughout the field of optical telecommunications, sensing and signal processing. With the growing complexity of fibre circuitry, the fibre-based filter has become increasingly-important with its obvious advantages of compatibility and low interconnection loss. Over the years numerous relatively-broadband fibre filters have been developed for applications which require filtering of widely-separated wavelength channels, mostly based on some form of intermodal interference (e.g. twin-core, birefringent, or interferometric devices). More recently, interest in coherent transmission and fine-grain wavelength-division-multiplexed (WDM) systems (which require sub-megahertz laser linewidth and channel spacings of a few gigahertz) has emphasised the need for narrowband fibre filters with linewidths of less than 1nm.
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

Payne, D.N. (1991) Fibre-based narrowband optical filters and sources. ECOC: 17th European Conference on Optical Communications, France. 09 - 12 Sep 1991.

Record type: Conference or Workshop Item (Paper)

Abstract

Optical filtering is perhaps one of the most basic signal-processing functions and consequently finds a wide variety of applications throughout the field of optical telecommunications, sensing and signal processing. With the growing complexity of fibre circuitry, the fibre-based filter has become increasingly-important with its obvious advantages of compatibility and low interconnection loss. Over the years numerous relatively-broadband fibre filters have been developed for applications which require filtering of widely-separated wavelength channels, mostly based on some form of intermodal interference (e.g. twin-core, birefringent, or interferometric devices). More recently, interest in coherent transmission and fine-grain wavelength-division-multiplexed (WDM) systems (which require sub-megahertz laser linewidth and channel spacings of a few gigahertz) has emphasised the need for narrowband fibre filters with linewidths of less than 1nm.

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Published date: September 1991
Venue - Dates: ECOC: 17th European Conference on Optical Communications, France, 1991-09-09 - 1991-09-12

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Local EPrints ID: 77403
URI: http://eprints.soton.ac.uk/id/eprint/77403
PURE UUID: 9f13caa1-a7ac-45e3-9d4e-66749f978444

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Date deposited: 11 Mar 2010
Last modified: 29 Jan 2020 13:33

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