189 entries « 4 of 4 »

2007

Fratalocchi, A; Assanto, G

Universal character of the discrete nonlinear Schrödinger equation Journal Article

In: Physical Review A - Atomic, Molecular, and Optical Physics, vol. 76, no. 4, 2007.

Links | BibTeX | Tags: Discrete tensorial nonlinear systems; Optical lattices; Symmetry analysis; Universal character, Discrete time control systems; Light propagation; Nonlinear optics; Schrodinger equation, Nonlinear systems

Fratalocchi, A; Piccardi, A; Peccianti, M; Assanto, G

Nonlinear management of the angular momentum of soliton clusters: Theory and experiment Journal Article

In: Physical Review A - Atomic, Molecular, and Optical Physics, vol. 75, no. 6, 2007.

Links | BibTeX | Tags: Angular momentum; Mathematical models; Nematic liquid crystals; Nonlinear control systems, Nonlinear control; Nonlinear management; Soliton clusters, Solitons

Fratalocchi, A; Assanto, G

Symmetry-breaking instabilities in perturbed optical lattices: Nonlinear nonreciprocity and macroscopic self-trapping Journal Article

In: Physical Review A - Atomic, Molecular, and Optical Physics, vol. 75, no. 6, 2007.

Links | BibTeX | Tags: Asymptotic analysis; Band structure; Crystal lattices; Perturbation techniques, Bloch bands; Optical lattices; Symmetry-breaking instabilities; System dynamics; Waveguide arrays, Optical materials

Assanto, G; Fratalocchi, A; Peccianti, M

Spatial solitons in nematic liquid crystals: From bulk to discrete Journal Article

In: Optics Express, vol. 15, no. 8, pp. 5248-5259, 2007.

Links | BibTeX | Tags: Diffraction; Reflection; Refraction; Solitons; Waveguides, Discrete diffraction; Discrete solitons; Optical lattices; Voltage tunable interface, Nematic liquid crystals

Fratalocchi, A; Assanto, G

Nonlinear adiabatic evolution and emission of coherent Bloch waves in optical lattices Journal Article

In: Physical Review A - Atomic, Molecular, and Optical Physics, vol. 75, no. 1, 2007.

Links | BibTeX | Tags: Adiabatic evolution; Bloch waves; Light beams; Optical lattices, Asymptotic stability; Computer simulation; Electron tunneling; Mathematical models; Nonlinear systems; Parameter estimation, Wave propagation

Fratalocchi, A; Rutkowska, K A; Karpierz, M A; Assanto, G

Light induced angular steering via Floquet-Bloch band-tunnelling in one-dimensional liquid crystalline photonic lattices Journal Article

In: Opto-electronics Review, vol. 15, no. 4, pp. 210-214, 2007.

Links | BibTeX | Tags: All optical; Angular steering; Band-to-band tunnelling; Bloch band; Channel waveguide; Light-induced; Liquid crystalline; Novel techniques, Liquid crystals; Optical lattices; Photonics, Nematic liquid crystals

2006

Fratalocchi, A; Assanto, G

Dispersion spectroscopy of photonic lattices Journal Article

In: Optics Letters, vol. 31, no. 22, pp. 3351-3353, 2006.

Links | BibTeX | Tags: Acceleration; Computer simulation; Dispersions; Photons; Refractive index; Spectroscopic analysis, Crystal lattices, Dispersion spectroscopy; Multiscale analysis; Photonic band

Fratalocchi, A; Assanto, G; Brzdkiewicz, K A; Karpierz, M A

Discrete light propagation and self-localization in voltage-controlled arrays of channel waveguides in undoped nematic liquid crystals Journal Article

In: Molecular Crystals and Liquid Crystals, vol. 453, no. 1, pp. 191-202, 2006.

Links | BibTeX | Tags: All-optical beam steering; Bloch oscillations; Discrete propagation; Liquid crystals waveguide arrays; Spatial solitons; Vector breathers, Computer simulation; Diffraction; Electric potential; Light propagation; Optical beam splitters; Oscillations; Solitons; Waveguides, Nematic liquid crystals

Fratalocchi, A; Assanto, G

Governing soliton splitting in one-dimensional lattices Journal Article

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, vol. 73, no. 4, 2006.

Links | BibTeX | Tags: Data processing; Defects; Liquid crystals; Optical waveguides; Semiconductor doping, Dye-doped liquid crystals; Nonlinear waveguide array; Soliton-defect interaction, Solitons

Fratalocchi, A; Assanto, G

Light propagation through a nonlinear defect: Symmetry breaking and controlled soliton emission Journal Article

In: Optics Letters, vol. 31, no. 10, pp. 1489-1491, 2006.

Links | BibTeX | Tags: Computer simulation; Light emission; Nonlinear control systems; Nonlinear optics; Solitons, Light propagation, Longitudinal defect; Nonlinear defect; Soliton emission

Fratalocchi, A; Assanto, G

All-optical Landau-Zener tunneling in waveguide arrays Journal Article

In: Optics Express, vol. 14, no. 5, pp. 2021-2026, 2006.

Links | BibTeX | Tags: Arrays; Nematic liquid crystals; Optical waveguides; Voltage control, Optical systems, Optical tunneling; Waveguide arrays

Fratalocchi, A; Assanto, G; Brzdakiewicz, K A; Karpierz, M A

Optically induced Zener tunneling in one-dimensional lattices Journal Article

In: Optics Letters, vol. 31, no. 6, pp. 790-792, 2006.

Links | BibTeX | Tags: Acceleration; Liquid crystals; Mathematical models; Waveguides, Arrays, Floquet-Bloch band tunneling; Landau-Zener tunneling; Optical impression

2005

Fratalocchi, A; Assanto, G

Optical switching in a liquid crystalline waveguide Conference

vol. 2005, 2005.

Links | BibTeX | Tags: External voltage; Liquid crystalline waveguide; Mode mixing; Optical input power, Liquid crystals; Optical waveguides; Routers; Voltage control, Optical switches

Fratalocchi, A; Assanto, G

All-optical switching with a nematic coherent mixer Conference

2005.

Links | BibTeX | Tags:

Fratalocchi, A; Assanto, G

Discrete light localization in one-dimensional nonlinear lattices with arbitrary nonlocality Journal Article

In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, vol. 72, no. 6, 2005.

Links | BibTeX | Tags: Arrays; Crystal lattices; Nematic liquid crystals; Nonlinear equations; Numerical methods; Solitons, Light localization; Liquid crystalline arrays; Optical lattices, Light propagation

Brzda̧kewicz, K A; Karpierz, M A; Assanto, G; Fratalocchi, A; Nowinowski-Kruszelnicki, E

Bloch oscillations in nematic liquid crystalline waveguide arrays Conference

vol. 5949, 2005.

Links | BibTeX | Tags: Arrays; Nematic liquid crystals; Optical waveguides; Refractive index; Wave propagation, Bloch oscillations; Discrete propagation; Waveguide arrays, Oscillations

Asquini, R; Fratalocchi, A; D'Alessandro, A; Assanto, G

Electro-optic routing in a nematic liquid-crystal waveguide Journal Article

In: Applied Optics, vol. 44, no. 19, pp. 4136-4143, 2005.

Links | BibTeX | Tags: Electro-optic crystals; Electro-optic routing; Guide planes; Nematic liquid-crystal waveguides, Electrooptical effects, Lithium niobate; Molecular orientation; Nematic liquid crystals; Optical resolving power; Optical waveguides; Signal processing; Voltage control

Fratalocchi, A; Assanto, G

All-optical switching in a liquid crystalline waveguide Journal Article

In: Applied Physics Letters, vol. 86, no. 5, pp. 1-3, 2005.

Links | BibTeX | Tags: Electric potential; Nonlinear optics; Optical switches; Optical systems; Switching, Liquid crystalline waveguides; Low powers; Transparency region, Liquid crystals

Fratalocchi, A; Assanto, G; Brzdkiewicz, K A; Karpierz, M A

All-optical switching and beam steering in tunable waveguide arrays Journal Article

In: Applied Physics Letters, vol. 86, no. 5, pp. 1-3, 2005.

Links | BibTeX | Tags: Beam steering; Channel waveguides; Optical switching; Waveguide arrays, Electric potential; Laser beams; Mathematical models; Nematic liquid crystals; Optical systems; Switching, Optical waveguides

Fratalocchi, A; Assanto, G; Brzda̧kiewicz, K A; Karpierz, M A

Optical multiband vector breathers in tunable waveguide arrays Journal Article

In: Optics Letters, vol. 30, no. 2, pp. 174-176, 2005.

Links | BibTeX | Tags: Coupled waveguides; Floquet-Bloch theory; Multiband optical breathers, Eigenvalues and eigenfunctions; Electric field effects; Electric potential; Light propagation; Nematic liquid crystals; Photons; Vectors, Optical waveguides

Fratalocchi, A; Assanto, G

Discrete solitary waves in nonlinear nonlocal media Conference

2005.

Links | BibTeX | Tags: Arbitrary degree; Discrete spatial solitons; Localized waves; Nonlocal; Nonlocalities, Guided electromagnetic wave propagation, Solitons

Fratalocchi, A; Asquini, R; Assanto, G

Integrated electro-optic switch in liquid crystals Journal Article

In: Optics Express, vol. 13, no. 1, pp. 32-37, 2005.

Links | BibTeX | Tags: Eigenvalues and eigenfunctions; Electrooptical effects; Integrated optics; Light propagation; Nematic liquid crystals; Optical communication; Optical waveguides, Electro-optic switches; Infrared switching; Integrated optical devices; Voltage modulations, Optical switches

Fratalocchi, A; Assanto, G; Brzdakiewicz, K A; Karpierz, M

Discrete light propagation and nonlinear interactions in selfdefocusing liquid crystalline waveguides Conference

2005.

Links | BibTeX | Tags: Channel waveguide; Discrete light propagation; Liquid crystalline waveguides; Nonlinear interactions; Self-defocusing; Voltage-controlled, Guided electromagnetic wave propagation; Nematic liquid crystals; Waveguides, Light propagation

Peccianti, M; Fratalocchi, A; Assanto, G; Luca, A De; Umeton, C

Transverse dynamics of anisotropic nematicons Conference

2005.

Links | BibTeX | Tags: Anisotropy; Guided electromagnetic wave propagation; Optical frequency conversion; Solitons, Index profile; Nematicons; Self-confinement; Spatial solitons; Transverse dynamics; Walk-off, Nematic liquid crystals

Fratalocchi, A; Assanto, G; Brzda̧kiewicz, K A; Karpierz, M A

Discrete light propagation and self-trapping in liquid crystals Journal Article

In: Optics Express, vol. 13, no. 6, pp. 1808-1815, 2005.

Links | BibTeX | Tags: Discrete diffraction; Multiband vector breathers; Optical angular steering; Self-localization, Electric potential; Energy transfer; Liquid crystals; Nonlinear optics; Optical waveguides; Solitons, Light propagation

Brzda̧kiewicz, K A; Karpierz, M A; Fratalocchi, A; Assanto, G; Nowinowski-Kruszelnicki, E

Nematic liquid crystal waveguide arrays Journal Article

In: Opto-electronics Review, vol. 13, no. 2, pp. 107-112, 2005.

Links | BibTeX | Tags: Arrays, Diffractive optics; Nematic liquid crystals; Nonlinear optics; Optical switches; Optical waveguides; Photorefractive materials; Refractive index; Solitons, Discrete diffraction; Optical nonlinearity in liquid crystals; Planar waveguides; Self-action effects

2004

Brzda̧kiewicz, K A; Karpierz, M A; Fratalocchi, A; Assanto, G

Discrete optical solitons in nematic liquid crystals Journal Article

In: Molecular Crystals and Liquid Crystals, vol. 421, pp. 61-68, 2004.

Links | BibTeX | Tags: Discrete spatial solitons; Discrete systems; Photonic structure; Reorientational nonlinearity, Electric potential; Molecular orientation; Parameter estimation; Refractive index; Solitons; Switching circuits; Waveguides, Nematic liquid crystals

Fratalocchi, A; Peccianti, M; Conti, C; Assanto, G

Spiraling and cyclic dynamics of nematicons Journal Article

In: Molecular Crystals and Liquid Crystals, vol. 421, pp. 197-207, 2004.

Links | BibTeX | Tags: Algorithms; Electric potential; Mathematical models; Molecules; Nonlinear optics; Photorefractive materials; Solitons; Waveguides, Light self-localization; Nematicons; Soliton interactions; Spatial solitons; Spiraling, Nematic liquid crystals

Fratalocchi, A; Brzdakiewicz, K; Karpierz, M; Assanto, G

Discrete spatial solitons, breathers and steering in liquid crystal waveguide arrays Conference

vol. 2, 2004.

Links | BibTeX | Tags: Breathers; Coupled waveguides; Discrete spatial solitons; Waveguide arrays, Diffraction; Electrooptical effects; Light propagation; Nematic liquid crystals; Nonlinear optics; Optical waveguides; Oscillations; Phase modulation; Tuning; Voltage control, Solitons

Karpierz, M A; Assanto, G; Brzda̧kiewicz, K A; Fratalocchi, A; Nowinowski-Kruszelnicki, E; Sierakowski, M

Discrete solitons in nematic liquid crystals Conference

vol. 1, 2004.

Links | BibTeX | Tags: Computer simulation; Electric field effects; Electric potential; Light propagation; Photorefractive materials; Refractive index; Solitons, Discrete solitons; Optical nonlinearity; Photonic structures; Reorientational nonlinearity in liquid crystals, Nematic liquid crystals

Fratalocchi, A; Assanto, G; Brzda̧kiewicz, K A; Karpierz, M A

Discrete propagation and spatial solitons in nematic liquid crystals Journal Article

In: Optics Letters, vol. 29, no. 13, pp. 1530-1532, 2004.

Links | BibTeX | Tags: Diffraction; Infrared radiation; Laser beams; Light propagation; Optical waveguides; Refractive index; Solitons, Near infrared (NIR) radiation; Planar waveguides; Reorientational responses; Waveguide arrays, Nematic liquid crystals

Peccianti, M; Fratalocchi, A; Assanto, G

Transverse dynamics of nematicons Journal Article

In: Optics Express, vol. 12, no. 26, pp. 6524-6529, 2004.

Links | BibTeX | Tags: Anisotropy; Birefringence; Elastic moduli; Light propagation; Mathematical models; Nonlinear optics; Polarization; Refractive index; Vectors, Euler-Lagrange equations; Nematicons; Transverse dynamics, Nematic liquid crystals

0000

Li, Ning; Xiang, Fei; Elizarov, Maxim S.; Makarenko, Maxim; Lopez, Arturo B.; Getman, Fedor; Bonifazi, Marcella; Mazzone, Valerio; Fratalocchi, Andrea

Large-Scale and Wide-Gamut Coloration at the Diffraction Limit in Flexible, Self-Assembled Hierarchical Nanomaterials Journal Article

In: Advanced Materials, vol. n/a, no. n/a, pp. 2108013, 0000.

Abstract | Links | BibTeX | Tags: dielectrics, nanostructured materials, optical nanoresonators, structural color

Ma, Chun; Liu, Changxu; Huang, Jianfeng; Ma, Yuhui; Liu, Zhixiong; Li, Lain-Jong; Anthopoulos, Thomas D; Han, Yu; Fratalocchi, Andrea; Wu, Tom

Plasmonic-Enhanced Light Harvesting and Perovskite Solar Cell Performance Using Au Biometric Dimers with Broadband Structural Darkness Journal Article

In: Solar RRL, vol. 0, no. 0, pp. 1900138, 0000.

BibTeX | Tags: Au dimer, Perovskite, plasmonic, solar cells

Lin, Ronghui; Mazzone, Valerio; Alfaraj, Nasir; Liu, Jianping; Li, Xiaohang; Fratalocchi, Andrea

On-Chip Hyperuniform Lasers for Controllable Transitions in Disordered Systems Journal Article

In: Laser & Photonics Reviews, vol. n/a, no. n/a, pp. 1800296, 0000.

Links | BibTeX | Tags: complex systems, hyperuniform, Maxwell–Bloch simulation, semiconductor nanolasers

Lin, Ronghui; Mazzone, Valerio; Alfaraj, Nasir; Liu, Jianping; Li, Xiaohang; Fratalocchi, Andrea

On-Chip Hyperuniform Lasers for Controllable Transitions in Disordered Systems Journal Article

In: Laser & Photonics Reviews, vol. n/a, no. n/a, 0000.

Links | BibTeX | Tags: complex systems, hyperuniform, Maxwell–Bloch simulation, semiconductor nanolasers

Li, Ning; Xiang, Fei; Fratalocchi, Andrea

Silicon-Based Photocatalysis for Green Chemical Fuels and Carbon Negative Technologies Journal Article

In: Advanced Sustainable Systems, vol. n/a, no. n/a, pp. 2000242, 0000.

Abstract | Links | BibTeX | Tags: artificial photosynthesis, CO2 reduction, photo-catalysis, Si, solar energy, water splitting

Li, Ning; Xiang, Fei; Fratalocchi, Andrea

Silicon-Based Photocatalysis for Green Chemical Fuels and Carbon Negative Technologies Journal Article

In: Advanced Sustainable Systems, vol. n/a, pp. 2000242, 0000.

Abstract | Links | BibTeX | Tags: artificial photosynthesis, CO2 reduction, photo-catalysis, Si, solar energy, water splitting

Li, Ning; Xiang, Fei; Fratalocchi, Andrea

Silicon-Based Photocatalysis for Green Chemical Fuels and Carbon Negative Technologies Journal Article

In: Advanced Sustainable Systems, pp. 2000242, 0000.

Abstract | Links | BibTeX | Tags: artificial photosynthesis, CO2 reduction, photo-catalysis, Si, solar energy, water splitting

189 entries « 4 of 4 »