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Proceedings Paper

Design and fabrication of APE - PPLN waveguides for temperature measurement
Author(s): T. Del Rosso; Stefano Sottini; Silvana Trigari; Antonella D'Orazio; Marco De Sario; Vincenzo Petruzzelli; Francesco Prudenzano; Daniela Grando
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Paper Abstract

Periodically poled LiNbO3 (PPLN) makes available direct and efficient frequency conversion of laser light through quasi-phase matched (QPM) nonlinear optical interactions. For a given PPLN waveguide, the efficiency of frequency conversion strongly depends on QPM, which can be optimized by tuning the wavelength or the temperature. We propose a guided wave device for temperature measurement based on second harmonic generation (SHG) in a PPLN waveguide. Modeling of the device and a preliminary test in a PPLN waveguide fabricated through electric field poling and (APE) annealed proton exchange are reported.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.530336
Show Author Affiliations
T. Del Rosso, Consiglio Nazionale delle Richerche (Italy)
Stefano Sottini, Consiglio Nazionale delle Richerche (Italy)
Silvana Trigari, Consiglio Nazionale delle Richerche (Italy)
Antonella D'Orazio, Politecnico di Bari (Italy)
Marco De Sario, Politecnico di Bari (Italy)
Vincenzo Petruzzelli, Politecnico di Bari (Italy)
Francesco Prudenzano, Politecnico di Bari (Italy)
Daniela Grando, Univ. di Pavia (Italy)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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