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Title: Passive all-optical diode using asymmetric nonlinear absorption
Authors: Philip, Reji
Anija, M.
Yelleswarapu, Chandra S.
Rao, D.V.G.L.N.
Keywords: optical saturable absorption
integrated optics
light polarisation
nonlinear optical susceptibility
Issue Date: Oct-2007
Publisher: American Institute of Physics
Citation: Applied Physics Letters, 2007, Vol.91, 141118
Abstract: Saturable and reverse saturable absorptions are well-known phenomena, originating from the imaginary component of the third order nonlinear optical susceptibility. We note that structures with an axially asymmetric nonlinear absorption can be easily realized from saturable and reverse saturable absorption materials arranged in tandem. In this paper, the basic transmission behavior of such a structure is worked out. Detailed numerical simulations demonstrate passive all-optical diode behavior, and the results are verified experimentally. The principle will work for all light polarizations, has no phase-matching restrictions, and can be extended to a large number of available nonlinear media for possible applications.
Description: Open Access. This has been reported in Pradeep Chakraborty's blog, July 14, 2009 at
ISSN: E-ISSN: 1077-3118
P-ISSN: 0003-6951
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Copyright: 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Appears in Collections:Research Papers (LAMP)

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