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Open Access item Noise Spectra of a semiconductor ring laser in the bidirectional regime

Authors:Pérez Serrano, Antonio
Zambrini, Roberta
Scirè, Alessandro
Colet, Pere
Issue Date:30-Oct-2009
Publisher:American Physical Society
Citation:Physical Review A 80(4): 043843-1/043843-7 (2009)
Abstract:We analytically investigate the influence of complex backscattering coefficients and pump current on the noise spectra of a two-mode model for semiconductor ring laser in the Langevin formulation. The system features in the bidirectional regime are naturally described in terms of the two mode-intensity sum (I spectrum) and difference (D spectrum). The I spectrum reflects the energy exchange between the total field and the medium and behaves similarly to the relative intensity noise for single-mode semiconductor lasers. The D spectrum represents the energy exchange between the two counterpropagating modes and is shaped by the noisy precursor of a Hopf bifurcation induced by the complex backscattering.
Description:7 pages, 7 figures.-- PACS number(s): 42.55.Px, 42.60.Mi, 42.65.-k
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevA.80.043843
URI:http://hdl.handle.net/10261/25512
ISSN:1050-2947
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Appears in Collections:(IFISC) Artículos

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