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Your search keyword '"Curcio, L"' showing total 4 results
Start Over Author "Curcio, L" Journal optics express
4 results on '"Curcio, L"'

1. Backward frequency doubling of near infrared picosecond pulses

Author

Alessandro Tomasino, Luciano Curcio, Alessandro Busacca, Salvatore Stivala, Gaetano Assanto, Busacca Alessandro, C., Stivala, Salvatore, Curcio, Luciano, Tomasino, Alessandro, Assanto, Gaetano, Busacca, A, Stivala, S, Curcio, L, Tomasino, A, and Assanto, G

Subjects
Optical amplifier, Materials science, business.industry, Lithium niobate, Energy conversion efficiency, Nonlinear Optic, Second-harmonic generation, Settore ING-INF/02 - Campi Elettromagnetici, Laser, Harmonic generation and mixing, Settore ING-INF/01 - Elettronica, Atomic and Molecular Physics, and Optics, law.invention, chemistry.chemical_compound, Optics, chemistry, Periodic poling, law, Parametric Processe, Picosecond, Picosecond phenomena, business, Phase conjugation
Abstract

We report on backward second-harmonic generation using ps laser pulses in congruent lithium niobate with 3.2 µm periodic poling. Three resonant peaks were measured between 1530 and 1730 nm, corresponding to 16th, 17th and 18th quasi-phase-matching orders in the backward configuration, with a conversion efficiency of 4.75 x 10(-5%)/W for the 16th order. We could also discriminate the contributions from inverted domains randomized in duty-cycle.

Published
2014

2. Backward frequency doubling of near infrared picosecond pulses.

Author

Busacca AC, Stivala S, Curcio L, Tomasino A, and Assanto G

Abstract

We report on backward second-harmonic generation using ps laser pulses in congruent lithium niobate with 3.2 µm periodic poling. Three resonant peaks were measured between 1530 and 1730 nm, corresponding to 16th, 17th and 18th quasi-phase-matching orders in the backward configuration, with a conversion efficiency of 4.75 x 10(-5%)/W for the 16th order. We could also discriminate the contributions from inverted domains randomized in duty-cycle.

Published
2014
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3. Features of randomized electric-field assisted domain inversion in lithium tantalate.

Author

Stivala S, Buccheri F, Curcio L, Oliveri RL, Busacca AC, and Assanto G

Subjects
Computer Simulation, Electromagnetic Fields, Equipment Design, Equipment Failure Analysis, Light, Refractometry methods, Scattering, Radiation, Computer-Aided Design, Lithium chemistry, Lithium radiation effects, Models, Theoretical, Oxides chemistry, Oxides radiation effects, Refractometry instrumentation, Tantalum chemistry, Tantalum radiation effects
Abstract

We report on bulk and guided-wave second-harmonic generation via random Quasi-Phase-Matching in Lithium Tantalate. By acquiring the far-field profiles at several wavelengths, we extract statistical information on the distribution of the quadratic nonlinearity as well as its average period, both at the surface and in the bulk of the sample. By investigating the distribution in the two regions we demonstrate a non-invasive approach to the study of poling dynamics.

Published
2011
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4. Soft proton exchanged channel waveguides in congruent lithium tantalate for frequency doubling.

Author

Busacca AC, Stivala S, Curcio L, Minzioni P, Nava G, Cristiani I, and Assanto G

Subjects
Computer-Aided Design, Equipment Design, Equipment Failure Analysis, Nonlinear Dynamics, Protons, Lithium chemistry, Oxides chemistry, Refractometry instrumentation, Surface Plasmon Resonance instrumentation, Tantalum chemistry
Abstract

We report on stable optical waveguides fabricated by soft-proton exchange in periodically-poled congruent lithium tantalate in the α-phase. The channel waveguides are characterized in the telecom wavelength range in terms of both linear properties and frequency doubling. The measurements yield a nonlinear coefficient of about 9.5 pm/V, demonstrating that the nonlinear optical properties of lithium tantalate are left nearly unaltered by the process.

Published
2010
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