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Optical chaos and hysteresis in a laser-diode pumped Nd doped fibre laser

Optical chaos and hysteresis in a laser-diode pumped Nd doped fibre laser
Optical chaos and hysteresis in a laser-diode pumped Nd doped fibre laser
Modulated pumping of a Nd3+doped silica monomode fibre laser has been investigated experimentally. For small modulation depths the laser exhibits a resonance at the relaxation oscillation frequency, providing pulses of a few microseconds duration at a repetition rate in the region of 10 kHz, dependent on the average pump level above threshold. As the pump modulation depth is increased, hysteresis is observed as a function of modulation frequency, along with optical bistability. For further increase in modulation depth, optical chaos and period doubling are observed. Gain-switching has also been demonstrated.
0030-4018
215-218
Phillips, M.W.
02fc598e-35d4-4c18-8752-f0bec31896c6
Gong, H.
848bf554-aef0-4483-8097-03dc1807b9c5
Ferguson, A.I.
7764759c-2b56-4e74-ad3d-fc8b666853c3
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Phillips, M.W.
02fc598e-35d4-4c18-8752-f0bec31896c6
Gong, H.
848bf554-aef0-4483-8097-03dc1807b9c5
Ferguson, A.I.
7764759c-2b56-4e74-ad3d-fc8b666853c3
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d

Phillips, M.W., Gong, H., Ferguson, A.I. and Hanna, D.C. (1987) Optical chaos and hysteresis in a laser-diode pumped Nd doped fibre laser. Optics Communications, 61 (3), 215-218. (doi:10.1016/0030-4018(87)90141-6).

Record type: Article

Abstract

Modulated pumping of a Nd3+doped silica monomode fibre laser has been investigated experimentally. For small modulation depths the laser exhibits a resonance at the relaxation oscillation frequency, providing pulses of a few microseconds duration at a repetition rate in the region of 10 kHz, dependent on the average pump level above threshold. As the pump modulation depth is increased, hysteresis is observed as a function of modulation frequency, along with optical bistability. For further increase in modulation depth, optical chaos and period doubling are observed. Gain-switching has also been demonstrated.

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Published date: 1987

Identifiers

Local EPrints ID: 78718
URI: https://eprints.soton.ac.uk/id/eprint/78718
ISSN: 0030-4018
PURE UUID: 0a3ef40a-52ee-4a2f-80cc-db8d5679b269

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:22

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Contributors

Author: M.W. Phillips
Author: H. Gong
Author: A.I. Ferguson
Author: D.C. Hanna

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