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Adaptive pulse shape control in a diode-seeded nanosecond fiber MOPA system

Adaptive pulse shape control in a diode-seeded nanosecond fiber MOPA system
Adaptive pulse shape control in a diode-seeded nanosecond fiber MOPA system
We demonstrate active shaping of the driving electrical pulses to a laser diode in order to compensate for the pulse shaping effects of gain saturation in an Yb doped fiber amplifier cascade and to allow the generation of user defined customized output pulse shapes. In particular we demonstrate the generation of square output pulses, which have the potential to significantly increase the maximum pulse energy extractable from an amplifier before the peak power reaches the threshold for SRS, and for high efficiency frequency conversion.
fiber optics and optical communications: fiber optics amplifiers and oscillators, lasers and laser optics: diode lasers
1094-4087
10996-11001
Vu, K.T.
4f2d92db-ec6e-4474-bae4-d345b00083cd
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Ghiringhelli, F.
773894f2-f092-452f-84ae-98e3b64aca3f
Hickey, L.M.B.
8879d8f5-f865-4099-8867-8ab9097ae74e
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Vu, K.T.
4f2d92db-ec6e-4474-bae4-d345b00083cd
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Ghiringhelli, F.
773894f2-f092-452f-84ae-98e3b64aca3f
Hickey, L.M.B.
8879d8f5-f865-4099-8867-8ab9097ae74e
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701

Vu, K.T., Malinowski, A., Richardson, D.J., Ghiringhelli, F., Hickey, L.M.B. and Zervas, M.N. (2006) Adaptive pulse shape control in a diode-seeded nanosecond fiber MOPA system. Optics Express, 14 (23), 10996-11001. (doi:10.1364/OE.14.010996).

Record type: Article

Abstract

We demonstrate active shaping of the driving electrical pulses to a laser diode in order to compensate for the pulse shaping effects of gain saturation in an Yb doped fiber amplifier cascade and to allow the generation of user defined customized output pulse shapes. In particular we demonstrate the generation of square output pulses, which have the potential to significantly increase the maximum pulse energy extractable from an amplifier before the peak power reaches the threshold for SRS, and for high efficiency frequency conversion.

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Published date: 13 November 2006
Additional Information: Many applications of lasers require specific pulse shapes, however these are distorted by amplification. We show for the first time the generation of various chosen pulse shapes in a fibre amplifier chain by active control. Personal contributions: conducted/supervised experimental work on amplifier development and on pulse shaping, main author.
Keywords: fiber optics and optical communications: fiber optics amplifiers and oscillators, lasers and laser optics: diode lasers
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 45744
URI: https://eprints.soton.ac.uk/id/eprint/45744
ISSN: 1094-4087
PURE UUID: 89c48e88-c41a-42fe-aaa5-efc3b70186fb

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Date deposited: 28 Jun 2007
Last modified: 17 Jul 2017 15:11

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Contributors

Author: K.T. Vu
Author: A. Malinowski
Author: D.J. Richardson
Author: F. Ghiringhelli
Author: L.M.B. Hickey
Author: M.N. Zervas

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