A novel, sophisticated and versatile periodically poled lithium niobate (PPLN) waveguiding structure is designed to operate as an all optical-transistor, at environmental temperature and in the second band of fiber optic communication. The interaction among guided and leaky modes is obtained by means of two different techniques: (i) birefringence mode-matching and (ii) quasi-phase-matching by periodically poling the lithium ferroelectric domains. The correct operation of the device at the wavelength of 1320 nm requires a strong diffusion of Mg in the region external to the periodically poled waveguiding channel, even in order to maximize the bounding of the EM field and the overlapping integrals.

All-optical amplification in LiNbO3 waveguides via cascaded second order nonlinearity χ(2):χ(2)

BOZZETTI, Michele;D'ORAZIO, Antonella;PETRUZZELLI, Vincenzo;PRUDENZANO, Francesco
2000

Abstract

A novel, sophisticated and versatile periodically poled lithium niobate (PPLN) waveguiding structure is designed to operate as an all optical-transistor, at environmental temperature and in the second band of fiber optic communication. The interaction among guided and leaky modes is obtained by means of two different techniques: (i) birefringence mode-matching and (ii) quasi-phase-matching by periodically poling the lithium ferroelectric domains. The correct operation of the device at the wavelength of 1320 nm requires a strong diffusion of Mg in the region external to the periodically poled waveguiding channel, even in order to maximize the bounding of the EM field and the overlapping integrals.
10th Mediterranean Electrotechnical Conference, MELECON 2000. Vol. 1
0-7803-6290-X
IEEE
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11589/12996
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