157 citations · 475 across the 21 of their papers we have counts for
13 papers · 1 filter
Orbital Angular Momentum in Noncollinear Second Harmonic Generation by off-axis vortex beams
Fabio Antonio Bovino, Matteo Braccini, Maurizio Giardina +1
We experimentally study the behavior of orbital angular momentum (OAM) of light in a noncollinear second harmonic generation (SHG) process. The experiment is performed by using a t…
Fabrication of GaN/AlGaN 1D photonic crystals designed for nonlinear optical applications
T. Stomeo, G. Epifani, V. Tasco +8
In this paper we present a reliable process to fabricate GaN/AlGaN one dimensional photonic crystal (1D-PhC) microcavities with nonlinear optical properties. We used a heterostruct…
Management of the orbital angular momentum of vortex beams in a quadratic nonlinear interaction
Fabio A. Bovino, Matteo Braccini, Mario Bertolotti +1
Light intensity control of the orbital angular momentum of the fundamental beam in a quadratic nonlinear process is theoretically and numerically presented. In particular we analyz…
GaN/AlGaN microcavities for enhancement of non linear optical effects
V. Tasco, I. Tarantini, A. Campa +8
We present a study on the design, growth and optical characterization of a GaN/AlGaN microcavity for the enhancement of second order non linear effects. The proposed system exploit…
Bloch vector analysis in non linear, finite, dissipative systems: an experimental study
G. D'Aguanno, M. C. Larciprete, N. Mattiucci +6
We have investigated and experimentally proved the robustness of the Bloch vector for one-dimensional, nonlinear, finite, dissipative systems. The case studied is the second harmon…
Bound and free waves in non-collinear second harmonic generation
M. C. Larciprete, F. A. Bovino, A. Belardini +2
We analyze the relationship between the bound and the free waves in the noncollinear SHG scheme, along with the vectorial conservation law for the different components arising when…
Transmission function properties for multi-layered structures: Application to super-resolution
Nadia Mattiucci, Giuseppe D'Aguanno, Michael Scalora +2
We discuss the properties of the transmission function in the k-space for a generic multi-layered structure. In particular we analytically demonstrate that a transmission greater t…
Optical polarization based logic functions (XOR or XNOR) with nonlinear Gallium nitride nanoslab
F. A. Bovino, M. C. Larciprete, M. Giardina +5
We present a scheme of XOR/XNOR logic gate, based on non phase-matched noncollinear second harmonic generation from a medium of suitable crystalline symmetry, Gallium nitride. The…
Mapping the nonlinear optical susceptibility by noncollinear second harmonic generation
M. C. Larciprete, F. A. Bovino, M. Giardina +6
We present a method, based on noncollinear second harmonic generation, to evaluate the non-zero elements of the nonlinear optical susceptibility. At a fixed incidence angle, the ge…
Evaluation of the optical axis tilt of Zinc oxide films via noncollinear second harmonic generation
Fabio Antonio Bovino, Maria Cristina Larciprete, Alessandro Belardini +1
We investigated noncollinear second harmonic generation form Zinc oxide films, grown on glass substrates by dual ion beam sputtering technique. At a fixed incidence angle, the gene…
On the Inhibition of Linear Absorption in Opaque Materials Using Phase-Locked Harmonic Generation
Marco Centini, Vito Roppo, Eugenio Fazio +7
We theoretically predict and experimentally demonstrate inhibition of linear absorption for phase and group velocity mismatched second and third harmonic generation in strongly abs…
Second harmonic generation from metallo-dielectric multilayer photonic band gap structures
M. C. Larciprete, A. Belardini, M. G. Cappeddu +6
We experimentally and theoretically investigate the second order nonlinear optical response of metallo-dielectric multilayer structures composed of Ag and Ta2O5 layers, deposited b…
Negative refraction and sub-wavelength imaging using transparent metal-dielectric stacks
Michael Scalora, Giuseppe D'Aguanno, Neset Akozbek +6
Negative refraction is known to occur in materials that simultaneously possess a negative electric permittivity and magnetic permeability; hence they are termed negative index mate…