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The use of a fiber comb filter fabricated by a CO2 laser irradiation to improve the resolution of a ratiometric wavelength measurement system

The use of a fiber comb filter fabricated by a CO2 laser irradiation to improve the resolution of a ratiometric wavelength measurement system
The use of a fiber comb filter fabricated by a CO2 laser irradiation to improve the resolution of a ratiometric wavelength measurement system
An edge filter based ratiometric wavelength measurement system is modelled and analysed in this paper. The results confirm that the noise of input signal and photodetectors limit the resolution of the wavelength measurement system. The achievable resolution is calculated for a given noise level of the input signal and photodetectors’ resolution. An improved ratiometric wavelength measurement system consisting of two fiber comb filters is presented both theoretically and experimentally, which performs coarse and fine wavelength measurements simultaneously. The resolution of the system is significantly improved to better than 5 pm while maintaining the potential for high measurement speed and wide measurable wavelength range.
wavelength measurement, edge filter, fiber comb filter, laser irradiation
0733-8724
1143-1149
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Semenova, Yuliya
6e64157c-40b6-4eb5-938c-ae2dd348f652
Wu, Qiang
fad3844e-9eba-496c-876d-3bbc9ee4a689
Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Ding, Ming
086b25a3-e5c3-4501-a90d-43d734e19344
Semenova, Yuliya
6e64157c-40b6-4eb5-938c-ae2dd348f652
Wu, Qiang
fad3844e-9eba-496c-876d-3bbc9ee4a689
Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f

Wang, Pengfei, Brambilla, Gilberto, Ding, Ming, Semenova, Yuliya, Wu, Qiang and Farrell, Gerald (2012) The use of a fiber comb filter fabricated by a CO2 laser irradiation to improve the resolution of a ratiometric wavelength measurement system. Journal of Lightwave Technology, 30 (8), 1143-1149. (doi:10.1109/JLT.2011.2171319).

Record type: Article

Abstract

An edge filter based ratiometric wavelength measurement system is modelled and analysed in this paper. The results confirm that the noise of input signal and photodetectors limit the resolution of the wavelength measurement system. The achievable resolution is calculated for a given noise level of the input signal and photodetectors’ resolution. An improved ratiometric wavelength measurement system consisting of two fiber comb filters is presented both theoretically and experimentally, which performs coarse and fine wavelength measurements simultaneously. The resolution of the system is significantly improved to better than 5 pm while maintaining the potential for high measurement speed and wide measurable wavelength range.

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More information

e-pub ahead of print date: 13 October 2011
Published date: 15 April 2012
Keywords: wavelength measurement, edge filter, fiber comb filter, laser irradiation
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 336488
URI: http://eprints.soton.ac.uk/id/eprint/336488
ISSN: 0733-8724
PURE UUID: 4cd38290-96db-4f55-8c3a-b9a06750e286
ORCID for Gilberto Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 28 Mar 2012 10:22
Last modified: 02 Apr 2022 01:38

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Contributors

Author: Pengfei Wang
Author: Ming Ding
Author: Yuliya Semenova
Author: Qiang Wu
Author: Gerald Farrell

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