Beam propagation in gainaloss balanced waveguides

Beam propagation in gainaloss balanced waveguides

Linear and nonlinear localized modes of a slab waveguide with distributed gain and loss are studied. The structure is an optical analog of parity-time symmetric potentials in quantum mechanics. Such waveguide structures support stable localized modes. The explicit equation for the propagation consta...

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Veröffentlicht in:Optics communications 2012-07, Vol.285 (16), p.3441-3444
Hauptverfasser: Tsoy, Eduard N, Tadjimuratov, Sadulla Sh, Abdullaev, Fatkhulla Kh
Format: Artikel
Sprache:eng
Schlagworte:
Balancing
Beams (radiation)
Gain
Mathematical analysis
Nonlinearity
Quantum mechanics
Slabs
Waveguides
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Beschreibung
Zusammenfassung:Linear and nonlinear localized modes of a slab waveguide with distributed gain and loss are studied. The structure is an optical analog of parity-time symmetric potentials in quantum mechanics. Such waveguide structures support stable localized modes. The explicit equation for the propagation constant of linear modes is obtained. The existence of stable nonlinear modes in such waveguides is demonstrated. Bend losses in such structures are analyzed.
ISSN:0030-4018
DOI:10.1016/j.optcom.2012.03.027