Noise reduction in a Raman ring laser driven by a chaotic pump: numerical approach

Teubel, A.; Rza̧żewski, Kazimierz

doi:10.1364/josab.6.000550

Cited by 4 publications

(2 citation statements)

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“…The following question is very interesting: It is possible to create an efficient laser action by using an incoherent pump. As it is emphasized in Teubel and Rza˛żewski (1989), this question not only has theoretical relevance, but also has practical meaning, namely some ring Raman lasers have low threshold intensity. One can predict that the laser action with the help of conventional thermal sources can be achieved.…”

Section: Noise Reduction In a Raman Ring Lasermentioning

confidence: 99%

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An exact soluble equation for the steady state probability distribution in a nonlinear system: application to the noise reduction in Raman Ring Laser

Long

Khoa

2011

Opt Quant Electron

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In this paper, we consider the model of a nonlinear system subjected simultaneously to a random telegraph noise and a white noise. By using the formulae of differentiation introduced by Shapiro and Loginov (Physica 91:563-574, 1978), an exact equation for the steady state probability distribution of fluctuation in this system is derived. As an example of its application, we calculate analytically the steady state probability distribution of fluctuation and show the existence of noise induced phase transitions (Wódkiewicz et al. in J. Opt. Soc. Am. 1:398-405, 1984a) in Raman Ring Laser. Moreover, we show explicitly the so-called noise reduction considered in Lewenstein and Rza˛żewski (Opt. Commun. 63:174-178, 1987) for this system. It follows that the Stokes output of this laser tends to the stabilization under influence of the broad-band telegraph pump. This phenomenon could be realized experimentally in a much easer manner than for the case of Gaussian pump, because the construction of the injected telegraph pump signal is much easer than in the case of Gaussian signal. The recent paper is an extended version of Doan and Van (1991).

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Section: Noise Reduction In a Raman Ring Lasermentioning

confidence: 99%

“…In Teubel and Rza˛żewski (1989) a numerical approach has been introduced which is more powerful than the analytical tools used in Lewenstein and Rza˛żewski (1987 …”

Section: ) Where Q(t) Is the Atomic Polarization E P (T) Is The Pummentioning

confidence: 99%