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Tunable picosecond frequency-shifted feedback fiber laser at 1550 nm

Tunable picosecond frequency-shifted feedback fiber laser at 1550 nm
Tunable picosecond frequency-shifted feedback fiber laser at 1550 nm
A novel frequency-shifted feedback (FSF) fiber laser cavity is proposed and experimentally verified. The laser generates stable mode-locked pulses of <2 ps, mainly limited due to chirp induced by the frequency-shifting element (i.e., the acoustooptic modulator) on the pulses. Fourier transform-limited subpicosecond pulses were obtained by compensating this excess chirp using a piece of single-mode fiber SMF-28 outside the laser cavity. The unique cavity design also allow us to tune the pulse wavelength throughout the Er-gain band and the ability of the laser to self-start gives us the opportunity to characterize transient behavior of mode-locked pulses in an FSF fiber laser cavity.
1041-1135
2012-2014
Alam, S.U.
2b6bdbe5-ddcc-4a88-9057-299360b93435
Grudinin, A.B.
8f50b467-7d60-46db-b29d-a89b1059a1d8
Alam, S.U.
2b6bdbe5-ddcc-4a88-9057-299360b93435
Grudinin, A.B.
8f50b467-7d60-46db-b29d-a89b1059a1d8

Alam, S.U. and Grudinin, A.B. (2004) Tunable picosecond frequency-shifted feedback fiber laser at 1550 nm. IEEE Photonics Technology Letters, 16 (9), 2012-2014. (doi:10.1109/LPT.2004.831958).

Record type: Article

Abstract

A novel frequency-shifted feedback (FSF) fiber laser cavity is proposed and experimentally verified. The laser generates stable mode-locked pulses of <2 ps, mainly limited due to chirp induced by the frequency-shifting element (i.e., the acoustooptic modulator) on the pulses. Fourier transform-limited subpicosecond pulses were obtained by compensating this excess chirp using a piece of single-mode fiber SMF-28 outside the laser cavity. The unique cavity design also allow us to tune the pulse wavelength throughout the Er-gain band and the ability of the laser to self-start gives us the opportunity to characterize transient behavior of mode-locked pulses in an FSF fiber laser cavity.

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Published date: 2004

Identifiers

Local EPrints ID: 46111
URI: https://eprints.soton.ac.uk/id/eprint/46111
ISSN: 1041-1135
PURE UUID: b0cd52b9-b07e-40e1-b420-c3437d4608d5

Catalogue record

Date deposited: 22 May 2007
Last modified: 13 Mar 2019 21:03

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