Search Results - "BOYD, R. W"
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Breaking Lorentz reciprocity to overcome the time-bandwidth limit in physics and engineering
Published in Science (American Association for the Advancement of Science) (23-06-2017)“…A century-old tenet in physics and engineering asserts that any type of system, having bandwidth Δω, can interact with a wave over only a constrained time…”
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Experimental Realization of Quantum Tomography of Photonic Qudits via Symmetric Informationally Complete Positive Operator-Valued Measures
Published in Physical review. X (01-10-2015)“…Symmetric informationally complete positive operator-valued measures provide efficient quantum state tomography in any finite dimension. In this work, we…”
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3
Ultrabroadband 3D invisibility with fast-light cloaks
Published in Nature communications (24-10-2019)“…An invisibility cloak should completely hide an object from an observer, ideally across the visible spectrum and for all angles of incidence and polarizations…”
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Realization of the Einstein-Podolsky-Rosen paradox using momentum- and position-entangled photons from spontaneous parametric down conversion
Published in Physical review letters (28-05-2004)“…We report on a momentum-position realization of the EPR paradox using direct detection in the near and far fields of the photons emitted by collinear type-II…”
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Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces
Published in Optics express (11-05-2009)“…We observe entanglement between photons in controlled super-position states of orbital angular momentum (OAM). By drawing a direct analogy between OAM and…”
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Reply to ‘Physical limitations on broadband invisibility based on fast-light media’
Published in Nature communications (24-05-2021)Get full text
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Observation of superluminal and slow light propagation in erbium-doped optical fiber
Published in Europhysics letters (01-01-2006)“…We observe both extremely slow and superluminal pulse propagation speeds at room temperature in an erbium-doped fiber (EDF). A signal at 1550 nm is sent…”
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Nonlinear interferometer for tailoring the frequency spectrum of bright squeezed vacuum
Published in Journal of modern optics (02-01-2016)“…We propose a method for tailoring the frequency spectrum of bright squeezed vacuum by generating it in a nonlinear interferometer, consisting of two…”
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Imaging high-dimensional spatial entanglement with a camera
Published in Nature communications (07-08-2012)“…The light produced by parametric down-conversion shows strong spatial entanglement that leads to violations of EPR criteria for separability. Historically,…”
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Dispersion of silicon nonlinearities in the near infrared region
Published in Applied physics letters (09-07-2007)“…The authors present the detailed characterization of the wavelength dependence of two-photon absorption and the Kerr nonlinearity in silicon over a spectral…”
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Room temperature source of single photons of definite polarization
Published in Journal of modern optics (20-01-2007)“…A definite polarization in fluorescence from single emitters (dye molecules) at room temperature is demonstrated. A planar-aligned, nematic liquid-crystal host…”
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Equivalence of interaction Hamiltonians in the electric dipole approximation
Published in Journal of modern optics (20-05-2004)Get full text
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13
The influence of non-imaging detector design on heralded ghost-imaging and ghost-diffraction examined using a triggered ICCD camera
Published in Optics express (16-12-2013)“…Ghost imaging and ghost diffraction can be realized by using the spatial correlations between signal and idler photons produced by spontaneous parametric…”
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14
Properties of bright squeezed vacuum at increasing brightness
Published in Physical review research (27-03-2020)“…A bright squeezed vacuum (BSV) is a nonclassical macroscopic state of light, which is generated through high-gain parametric down-conversion or four-wave…”
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15
Anisotropic nonlinear response of silicon in the near-infrared region
Published in Applied physics letters (13-08-2007)“…The authors characterize experimentally the anisotropy of two-photon absorption and the Kerr nonlinearity in silicon over a broad spectral region in the near…”
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Observation of entanglement witnesses for orbital angular momentum states
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-06-2012)“…Entanglement witnesses provide an efficient means of determining the level of entanglement of a system using the minimum number of measurements. Here we…”
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Superluminal and Slow Light Propagation in a Room-Temperature Solid
Published in Science (American Association for the Advancement of Science) (11-07-2003)“…We have observed both superluminal and ultraslow light propagation in an alexandrite crystal at room temperature. Group velocities as slow as 91 meters per…”
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18
Equivalence of interaction hamiltonians in the electric dipole approximation
Published in Journal of modern optics (01-05-2004)“…The interaction of an atomic system with an externally applied electromagnetic field can be treated in the electric dipole approximation by means of either the…”
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19
Optical transmission characteristics of fiber ring resonators
Published in IEEE journal of quantum electronics (01-06-2004)“…We present the results of an experimental investigation of the transfer characteristics of a fiber ring resonator for various values of the resonator finesse…”
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Disappearance of Self-Focusing for Few-Cycle THz Pulses
Published in EPJ Web of conferences (01-01-2018)Get full text
Journal Article Conference Proceeding