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All-fibre DFB laser sources as highly reliable transmitters for high speed WDM systems

All-fibre DFB laser sources as highly reliable transmitters for high speed WDM systems
All-fibre DFB laser sources as highly reliable transmitters for high speed WDM systems
WDM transmission systems have received growing attention over the last few years because of their obvious advantages when upgrading existing systems to operate at higher data-rates. Operating at bit-rates of 10 Gbit/s and above requires compensation of the chromatic dispersion suffered in the existing fibres. Dispersion compensation with single channel chirped fibre gratings has been demonstrated on numerous occasions. Transmitting multiple WDM-channels the relative channel spacings are of great importance. The periodic spectral response and identical multiple channel characteristics of the recently developed sinc-sampled grating makes it a very attractive WDM device. DFB fibre lasers exhibit ideal source characteristics being an inherently fibre compatible device. The operating wavelengths can readily be manufactured with high accuracy to achieve a constant frequency separation using current grating writing techniques. They can also be designed to lase in a single polarisation whilst single-sided lasing output by offsetting the phase-shift from the centre position increases the potential further. In this paper we combine the devices and demonstrate an all-fibre WDM transmission system comprising 4 high power DFB fibre lasers operating with single sided and single polarisation outputs. The lasers are demonstrated to be reliable signal sources in a 4x10 Gbit/s, 100 GHz channel spacing WDM transmission experiment over 200 km of standard fibre with robust dispersion compensation performed by a single 4 channel 100 GHz spacing chirped sinc-sampled fibre Bragg grating
7/1-7/4
Institute of Electrical and Electronics Engineers
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Fu, A.
b5da22be-79a6-4c9c-af25-00c02bbace16
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Ibsen, M.
22e58138-5ce9-4bed-87e1-735c91f8f3b9
Fu, A.
b5da22be-79a6-4c9c-af25-00c02bbace16
Geiger, H.
ed078c74-a1f0-4816-aee5-6adec67b9ed3
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2

Ibsen, M., Fu, A., Geiger, H., Zervas, M.N. and Laming, R.I. (1999) All-fibre DFB laser sources as highly reliable transmitters for high speed WDM systems. In, IEE Colloquium on High Speed and Long Distance Transmission. Piscataway, United States. Institute of Electrical and Electronics Engineers, 7/1-7/4.

Record type: Book Section

Abstract

WDM transmission systems have received growing attention over the last few years because of their obvious advantages when upgrading existing systems to operate at higher data-rates. Operating at bit-rates of 10 Gbit/s and above requires compensation of the chromatic dispersion suffered in the existing fibres. Dispersion compensation with single channel chirped fibre gratings has been demonstrated on numerous occasions. Transmitting multiple WDM-channels the relative channel spacings are of great importance. The periodic spectral response and identical multiple channel characteristics of the recently developed sinc-sampled grating makes it a very attractive WDM device. DFB fibre lasers exhibit ideal source characteristics being an inherently fibre compatible device. The operating wavelengths can readily be manufactured with high accuracy to achieve a constant frequency separation using current grating writing techniques. They can also be designed to lase in a single polarisation whilst single-sided lasing output by offsetting the phase-shift from the centre position increases the potential further. In this paper we combine the devices and demonstrate an all-fibre WDM transmission system comprising 4 high power DFB fibre lasers operating with single sided and single polarisation outputs. The lasers are demonstrated to be reliable signal sources in a 4x10 Gbit/s, 100 GHz channel spacing WDM transmission experiment over 200 km of standard fibre with robust dispersion compensation performed by a single 4 channel 100 GHz spacing chirped sinc-sampled fibre Bragg grating

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More information

Published date: 1999
Venue - Dates: IEE Colloquium on High Speed and Long Distance Transmission, United Kingdom, 1999-03-01

Identifiers

Local EPrints ID: 76565
URI: https://eprints.soton.ac.uk/id/eprint/76565
PURE UUID: 6b9c9479-3f8c-48fe-a4b3-217058494622
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 02 Oct 2018 00:37

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Contributors

Author: M. Ibsen
Author: A. Fu
Author: H. Geiger
Author: M.N. Zervas ORCID iD
Author: R.I. Laming

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