Tunable ultrafast nonlinear optofluidic coupler

We present an optofluidic nonlinear coupler fabricated by selective filling of two strands of a photonic crystal fiber with the liquid CCl4 which exhibits a large ultrafast Kerr nonlinearity. We demonstrate power dependent switching in this novel optofluidic device. The large thermo-optical effect o...

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Veröffentlicht in:	Optics letters 2012-03, Vol.37 (6), p.1058-1060
Hauptverfasser:	Vieweg, Marius, Pricking, Sebastian, Gissibl, Timo, Kartashov, Yaroslav V, Torner, Lluis, Giessen, Harald
Format:	Artikel
Sprache:	eng
Schlagworte:	Carbon tetrachloride Comunicacions òptiques Coupling strengths Enginyeria de la telecomunicació Flexible designs Fotònica Joining Kerr nonlinearity Liquids Nonlinear coupler Nonlinearity Optical communications Optofluidic devices Photonic crystals Roads Strands Switching Switching time Telecomunicació òptica Thermo-optical effects Ultra-fast Ultrafast nonlinear Àrees temàtiques de la UPC
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Beschreibung
Zusammenfassung:	We present an optofluidic nonlinear coupler fabricated by selective filling of two strands of a photonic crystal fiber with the liquid CCl4 which exhibits a large ultrafast Kerr nonlinearity. We demonstrate power dependent switching in this novel optofluidic device. The large thermo-optical effect of liquids enables us to tune the behavior of the nonlinear coupler by changing the coupling strength with temperature. This opens the road towards flexible designs and realization of a new class of tunable ultrafast nonlinear couplers with switching times below 1 ps.
ISSN:	0146-9592 1539-4794
DOI:	10.1364/OL.37.001058