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40 GHz pulse source based on cross-phase modulation-induced focusing in normally dispersive optical fibers

40 GHz pulse source based on cross-phase modulation-induced focusing in normally dispersive optical fibers
40 GHz pulse source based on cross-phase modulation-induced focusing in normally dispersive optical fibers
We theoretically and experimentally investigate the design of a high-repetition rate source delivering well-separated optical pulses due to the nonlinear compression of a dual-frequency beat signal within a cavity-less normally dispersive fiber-based setup. This system is well described by a set of two coupled nonlinear Schrödinger equations for which the traditional normally dispersive defocusing regime is turned in a focusing temporal lens through a degenerated cross-phase modulation process (XPM). More precisely, the temporal compression of the initial beating is performed by the combined effects of normal dispersion and XPM-induced nonlinear phase shift provided by an intense beat signal on its weak out-of-phase replica co-propagating with orthogonal polarizations. This adiabatic reshaping process allows us to experimentally demonstrate the generation of a 40 GHz well-separated 3.3 ps pulse train at 1550 nm in a 5 km long normally dispersive fiber.
0146-9592
1110-1113
Nuño, J.
601e69e1-6806-484f-9776-e08e93191dde
Gilles, M.
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Guasoni, M.
5aa684b2-643e-4598-93d6-bc633870c99a
Kibler, B.
df2a379b-4322-48c3-9789-78a389b0c93d
Finot, C.
fecca6bb-8ebf-4415-bd5a-2da911307f78
Fatome, J.
5b84ab77-5c51-46e3-a116-581511c76f22
Nuño, J.
601e69e1-6806-484f-9776-e08e93191dde
Gilles, M.
9fbd0f77-5afb-41f7-8a3e-7afbbede61aa
Guasoni, M.
5aa684b2-643e-4598-93d6-bc633870c99a
Kibler, B.
df2a379b-4322-48c3-9789-78a389b0c93d
Finot, C.
fecca6bb-8ebf-4415-bd5a-2da911307f78
Fatome, J.
5b84ab77-5c51-46e3-a116-581511c76f22

Nuño, J., Gilles, M., Guasoni, M., Kibler, B., Finot, C. and Fatome, J. (2016) 40 GHz pulse source based on cross-phase modulation-induced focusing in normally dispersive optical fibers. Optics Letters, 41 (6), 1110-1113. (doi:10.1364/OL.41.001110).

Record type: Article

Abstract

We theoretically and experimentally investigate the design of a high-repetition rate source delivering well-separated optical pulses due to the nonlinear compression of a dual-frequency beat signal within a cavity-less normally dispersive fiber-based setup. This system is well described by a set of two coupled nonlinear Schrödinger equations for which the traditional normally dispersive defocusing regime is turned in a focusing temporal lens through a degenerated cross-phase modulation process (XPM). More precisely, the temporal compression of the initial beating is performed by the combined effects of normal dispersion and XPM-induced nonlinear phase shift provided by an intense beat signal on its weak out-of-phase replica co-propagating with orthogonal polarizations. This adiabatic reshaping process allows us to experimentally demonstrate the generation of a 40 GHz well-separated 3.3 ps pulse train at 1550 nm in a 5 km long normally dispersive fiber.

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Published date: 15 March 2016

Identifiers

Local EPrints ID: 442297
URI: http://eprints.soton.ac.uk/id/eprint/442297
ISSN: 0146-9592
PURE UUID: 8dfcc65f-c8b8-4594-bae5-cea74d902db5

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Date deposited: 13 Jul 2020 16:30
Last modified: 27 Apr 2022 08:02

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Contributors

Author: J. Nuño
Author: M. Gilles
Author: M. Guasoni
Author: B. Kibler
Author: C. Finot
Author: J. Fatome

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