Controlled switching of orbital angular momentum in an optical parametric oscillator
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Cita com:
hdl:2117/101954
Tipus de documentArticle
Data publicació2017-03-07
EditorOSA
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Controlled switching of orbital angular momentum (OAM) of light at practical powers over arbitrary wavelength
regions can have important implications for future quantum and classical systems. Here we report on a single source
of OAM beams based on an optical parametric oscillator (OPO) that can provide all such capabilities. We demonstrate
active transfer of OAM modes of any order, jl pj, of pump to the signal and idler in an OPO, to produce jl pj1
different OAM states by controlling the relative cavity losses of the resonated beams. As a proof-of-principle, we show
that when pumping with the OAM states jl pj 1 and jl pj 2 for different relative losses of signal and idler, the OPO
has two (j1;0i and j0;1i) and three (j2;0i, j1;1i, and j0;2i) output states, respectively. Our findings show that using a
suitable loss modulator, one can achieve rapid switching of the OAM mode in OPO output beams in time. ©
CitacióAadhi, A. [et al.]. Controlled switching of orbital angular momentum in an optical parametric oscillator. "Optica", 7 Març 2017, vol. 4, núm. 3, p. 349-355.
ISSN2334-2536
Versió de l'editorhttps://www.osapublishing.org/optica/abstract.cfm?uri=optica-4-3-349
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