Orbital angular momentum exchange in parametric down conversion
Authors: Huguenin, J. A. O.1; Martinelli, M.2; Caetano, D. P.3; santos, B. Coutinho dos1; Almeida, M. P.3; Ribeiro, P. H. Souto3; Nussenzveig, P.2; Khoury, A. Z.1
Source: Journal of Modern Optics, Volume 53, Numbers 5-6, March-April 2006 , pp. 647-658(12)
Publisher: Taylor and Francis Ltd
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Abstract:
Orbital angular momentum exchange, both in cavity free stimulated parametric down conversion and in an optical parametric oscillator, is studied. In both cases, the conditions for parametric amplification are discussed in terms of the orbital angular momentum exchange between the interacting fields. It is shown that in cavity free parametric down conversion, parametric amplification is conditioned to conserve orbital angular momentum. However, for parametric oscillation, cavity and anisotropy effects play a crucial role in the orbital angular momentum exchange between the interacting fields.Document Type: Research article
DOI: 10.1080/09500340500217548
Affiliations: 1: Instituto de Física, Universidade Federal Fluminense, Niterói RJ, 24210-340, Brazil 2: Instituto de Física, Universidade de São Paulo PO Box 66318, CEP 05315-970, São Paulo SP, Brazil 3: Instituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, Rio de Janeiro RJ, 21941-972, Brazil
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