Search Results - "Tzortzakis, Stelios"
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Powerful terahertz waves from long-wavelength infrared laser filaments
Published in Light, science & applications (12-11-2020)“…Strong terahertz (THz) electric and magnetic transients open up new horizons in science and applications. We review the most promising way of achieving…”
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2
Observation of extremely efficient terahertz generation from mid-infrared two-color laser filaments
Published in Nature communications (15-01-2020)“…Extreme nonlinear interactions of THz electromagnetic fields with matter are the next frontier in nonlinear optics. However, reaching this frontier in free…”
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3
Laser‐Driven Strong‐Field Terahertz Sources
Published in Advanced optical materials (01-02-2020)“…A review on the recent development of intense laser‐driven terahertz (THz) sources is provided here. The technologies discussed include various types of…”
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4
Spatiotemporal airy light bullets in the linear and nonlinear regimes
Published in Physical review letters (15-12-2010)“…We demonstrate the realization of intense Airy-Airy-Airy (Airy(3)) light bullets by combining a spatial Airy beam with an Airy pulse in time. The Airy(3) light…”
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5
Abruptly autofocusing beams enable advanced multiscale photo-polymerization
Published in Optica (20-05-2016)Get full text
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6
Crossing the threshold of ultrafast laser writing in bulk silicon
Published in Nature communications (03-10-2017)“…An important challenge in the field of three-dimensional ultrafast laser processing is to achieve permanent modifications in the bulk of silicon and narrow-gap…”
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7
Combined nano and micro structuring for enhanced radiative cooling and efficiency of photovoltaic cells
Published in Scientific reports (02-06-2021)“…Outdoor devices comprising materials with mid-IR emissions at the atmospheric window (8–13 μm) achieve passive heat dissipation to outer space (~ − 270 °C),…”
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Highly efficient broadband terahertz generation from ultrashort laser filamentation in liquids
Published in Nature communications (30-10-2017)“…Generation and application of energetic, broadband terahertz pulses (bandwidth ~0.1–50 THz) is an active and contemporary area of research. The main thrust is…”
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Experimental Demonstration of Ultrafast THz Modulation in a Graphene-Based Thin Film Absorber through Negative Photoinduced Conductivity
Published in ACS photonics (20-03-2019)“…We present an experimental demonstration and interpretation of an ultrafast optically tunable, graphene-based thin film absorption modulator for operation in…”
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10
Optically implemented broadband blueshift switch in the terahertz regime
Published in Physical review letters (18-01-2011)“…We experimentally demonstrate, for the first time, an optically implemented blueshift tunable metamaterial in the terahertz (THz) regime. The design implies…”
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Infrared-reflective ultrathin-metal-film-based transparent electrode with ultralow optical loss for high efficiency in solar cells
Published in Scientific reports (04-01-2024)“…In this work we study in-depth the antireflection and filtering properties of ultrathin-metal-film-based transparent electrodes (MTEs) integrated in thin-film…”
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12
Submicron Organic–Inorganic Hybrid Radiative Cooling Coatings for Stable, Ultrathin, and Lightweight Solar Cells
Published in ACS photonics (20-04-2022)“…Solar cell technology requires materials that are efficient, lightweight, and stable. Organic–inorganic lead halide perovskite- and polymer-based bulk…”
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Development of stochastically reconstructed 3D porous media micromodels using additive manufacturing: numerical and experimental validation
Published in Scientific reports (23-04-2024)“…We propose an integrated methodology for the design and fabrication of 3D micromodels that are suitable for the pore-scale study of transport processes in…”
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14
Ultrashort laser pulse filamentation from spontaneous X-Wave formation in air
Published in Optics express (04-02-2008)“…The description of ultrashort laser pulse filamentation in condensed media as a spontaneous formation of X waves is shown to apply also to filaments generated…”
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15
Physics of the conical broadband terahertz emission from two-color laser-induced plasma filaments
Published in Physical review. A, Atomic, molecular, and optical physics (21-03-2014)Get full text
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16
Linear and nonlinear light dynamics in photonic lattices
Published in MATEC web of conferences (01-01-2013)“…Photonic lattices, arrays of evanescently coupled waveguides written by femtosecond laser, are often used to control the flow of light. Two cases are here…”
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Taming light with photonic lattices written by femtosecond laser
Published in MATEC web of conferences (01-01-2013)“…Photonic lattices, arrays of evanescently coupled waveguides written by femtosecond laser, are often used to control the flow of light. Two cases are here…”
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18
In‐Volume Laser Direct Writing of Silicon—Challenges and Opportunities
Published in Laser & photonics reviews (01-11-2021)“…Laser direct writing is a widely employed technique for 3D, contactless, and fast functionalization of dielectrics. Its success mainly originates from the…”
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19
Optimal wavelength for two-color filamentation-induced terahertz sources
Published in Optics express (26-11-2018)“…We theoretically study the generation of terahertz (THz) radiation by two-color filamentation of ultrashort laser pulses with different wavelengths. We…”
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Passive radiative cooling and other photonic approaches for the temperature control of photovoltaics: a comparative study for crystalline silicon-based architectures
Published in Optics express (22-06-2020)“…The radiative cooling of objects during daytime under direct sunlight has recently been shown to be significantly enhanced by utilizing nanophotonic coatings…”
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