Tamm oscillations in semi-infinite nonlinear waveguide arrays

We demonstrate the existence of nonlinear Tamm oscillations at the interface between a substrate and a one-dimensional waveguide array with either cubic or saturable, self-focusing or self-defocusing nonlinearity. Light is trapped in the vicinity of the array boundary due to the interplay between th...

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Veröffentlicht in:	Optics letters 2007-04, Vol.32 (7), p.823-825
Hauptverfasser:	STEPIC, Milutin, SMIRNOV, Eugene, RÜTER, Christian E, KIP, Detlef, MALUCKOV, Aleksandra, HADZIEVSKI, Ljupco
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Dynamics of nonlinear optical systems optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fundamental areas of phenomenology (including applications) Integrated optics. Optical fibers and wave guides Nonlinear optics Optical and optoelectronic circuits Optical solitons nonlinear guided waves Optics Phase conjugation, optical mixing photorefractive and kerr effects Physics
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Zusammenfassung:	We demonstrate the existence of nonlinear Tamm oscillations at the interface between a substrate and a one-dimensional waveguide array with either cubic or saturable, self-focusing or self-defocusing nonlinearity. Light is trapped in the vicinity of the array boundary due to the interplay between the repulsive edge potential and Bragg reflection inside the array. In the special case when this potential is linear these oscillations reduce themselves to surface Bloch oscillations.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.32.000823