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Diagrammatic representation of second harmonic generation
Applied Optics, 1988Application de la theorie electrodynamique des perturbations conduisant a une representation diagrammatique du ...
W E, Parry, R R, Syms
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"Cerenkov" configuration Second Harmonic Generation
Nonlinear Guided-Wave Phenomena Physics and Applications, 1989The use of the largest nonlinear coefficient d33 of LiNbO3 for second harmonic generation (SHG), first demonstrated with a guided wave phase-matched interaction suffering from poor field overlap integrals (1), has been considerably improved by the use of a Cerenkov type configuration : nonlinear polarization having a phase velocity greater than that of
M J. Li +2 more
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Modulational instability in second-harmonic generation
Optics Letters, 1995We show that the eigenmodes of the two-wave interaction in a dispersive quadratic medium are unstable with respect to periodic perturbations. This mechanism represents a novel kind of modulational instability that involves the spontaneous generation of sideband pairs around both the fundamental and the second-harmonic frequencies.
S, Trillo, P, Ferro
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Optimization of second-harmonic generation microscopy
Micron, 2001We describe the principles and characteristics of second-harmonic generation imaging (SHGI) and explore various methods for optimization of the technique. Second-harmonic imaging is optimized for ultrashort laser pulses, high numerical aperture microscope objectives, a highly sensitive non-descanned large area detector, pseudo-phase-matching, and ...
R, Gauderon, P B, Lukins, C J, Sheppard
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Second Harmonic Generation in Inclusion Complexes
Journal of Inclusion Phenomena, 1984Second harmonic generation in inclusion complexes between dimethyl β-cyclodextrin and nitroaniline derivatives having a non-centrosymmetric crystal structure occurs.
Satoru Tomaru +3 more
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Second-harmonic generation in AlGaAs nanoantennas
Photonics and Fiber Technology 2016 (ACOFT, BGPP, NP), 2016We demonstrate monolithic aluminum gallium arsenide (AlGaAs) optical nanoantennas for enhanced second harmonic generation (SHG) at telecom wavelengths. From measurements on nanocylinders of 400 nm height and varying radius pumped with femtosecond pulses delivered at 1554-nm wavelength, we estimated a peak conversion efficiency exceeding 10−5.
DE ANGELIS, Costantino +11 more
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Simple model of second-harmonic generation
Physical Review B, 1992A model for second-harmonic generation from materials with inversion symmetry is developed. The reflecting medium is treated as an ordered array of localized, polarizable entities and the self-consistent relations between induced multipole moments and local fields are derived.
, Schaich, , Mendoza
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Squeezed states in second-harmonic generation
Optics Letters, 1983We consider the process of second-harmonic generation with the nonlinear crystal placed in a resonant cavity. Both the fundamental and the second-harmonic mode are shown to exhibit squeezing. An analysis is made for the general values of the ratio between the damping constants of the two modes.
L A, Lugiato, G, Strini, F D, Martini
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Second-harmonic generation of polarization singularities
Optics Letters, 2002Second-harmonic generation was studied theoretically for the vector singularities (daisy modes) of linearly polarized light and for the elliptic singularities (C points) of elliptically polarized light. Topological charge doubling for C points and daisy modes, similar to that found for vortices, was found.
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1991
In optical second-harmonic generation coherent optical radiation of frequency 2ω is generated, through the use of a medium with the appropriate nonlinear susceptibility, from incident coherent optical radiation of frequency ω. For the process to take place efficiently, the phase matching condition (colinear geometry) $$ k(2\omega ) = 2k(\omega ) $$
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In optical second-harmonic generation coherent optical radiation of frequency 2ω is generated, through the use of a medium with the appropriate nonlinear susceptibility, from incident coherent optical radiation of frequency ω. For the process to take place efficiently, the phase matching condition (colinear geometry) $$ k(2\omega ) = 2k(\omega ) $$
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