High optical efficiency and photon noise limited sensitivity of microwave
... efficiency of a circular antenna illuminated by a singlemoded gaussian beam is21 gA ¼ 0:80. For the measured array the filling fraction of the square packing means that we have a total array aperture efficiency of 57%. Using an array with hexagonal packing the total array aperture efficiency can be ...
... efficiency of a circular antenna illuminated by a singlemoded gaussian beam is21 gA ¼ 0:80. For the measured array the filling fraction of the square packing means that we have a total array aperture efficiency of 57%. Using an array with hexagonal packing the total array aperture efficiency can be ...
Optical polarization tutorial
... • Elliptical polarization: all other cases. Exercise A.1 Suppose we measure the electric field at a particular point in space. Show that a) when the polarization is√linear, the tip of the electric field vector oscillates along a straight line with the amplitude A2H + A2V ; b) when the polarization is ...
... • Elliptical polarization: all other cases. Exercise A.1 Suppose we measure the electric field at a particular point in space. Show that a) when the polarization is√linear, the tip of the electric field vector oscillates along a straight line with the amplitude A2H + A2V ; b) when the polarization is ...
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... our group recently demonstrated a new type of source which relies instead on parametric processes in optical fibers utilizing the χ (3) , or Kerr nonlinearity [4, 5, 6, 7]. In the experiments conducted by Fiorentino et al. [5] and Li et al. [6, 7], a commercially available dispersionshifted fiber wa ...
... our group recently demonstrated a new type of source which relies instead on parametric processes in optical fibers utilizing the χ (3) , or Kerr nonlinearity [4, 5, 6, 7]. In the experiments conducted by Fiorentino et al. [5] and Li et al. [6, 7], a commercially available dispersionshifted fiber wa ...
Photoinduced Deformation of Crosslinked LiquidCrystalline Polymer
... fabrication. Of many methods, the preferred modification technique is mechanical rubbing. Typically, an aligned polyimide (PI) layer with parallel grooves is firstly generated by mechanical rubbing along one direction, and the grooves are then used to orient the LC molecules.[12] However, there rema ...
... fabrication. Of many methods, the preferred modification technique is mechanical rubbing. Typically, an aligned polyimide (PI) layer with parallel grooves is firstly generated by mechanical rubbing along one direction, and the grooves are then used to orient the LC molecules.[12] However, there rema ...
Raman tailored photonic-crystal-fiber for telecom band photon
... A very practical solution is to use liquid-filled hollowcore photonic-crystal fibers (LF-HC-PCF). They have been investigated either for designing Raman wavelength converters [12–15] or conversely to show that the Raman lines can be avoided in order to produce high signal to noise ratio photon pairs ...
... A very practical solution is to use liquid-filled hollowcore photonic-crystal fibers (LF-HC-PCF). They have been investigated either for designing Raman wavelength converters [12–15] or conversely to show that the Raman lines can be avoided in order to produce high signal to noise ratio photon pairs ...
Narrowband photon pair generation and waveform reshaping
... paired photons have been well studied [9–11]. However, the SPDC paired photons suffer from limitations for certain applications: broad linewidth (∼ THz) and low spectral brightness; coherence time in the sub-picosecond range, which is not resolvable by existing photodetectors; short coherence length ...
... paired photons have been well studied [9–11]. However, the SPDC paired photons suffer from limitations for certain applications: broad linewidth (∼ THz) and low spectral brightness; coherence time in the sub-picosecond range, which is not resolvable by existing photodetectors; short coherence length ...
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... Hereafter we refer to Ufl as the f luorescent DPDW. This model is an approximation because U0 and G neglect the effects of heterogeneities on photon propagation from source to f luorophore and from f luorophore to detector. In principle, U0 and G may be updated to include the effects of heterogeneit ...
... Hereafter we refer to Ufl as the f luorescent DPDW. This model is an approximation because U0 and G neglect the effects of heterogeneities on photon propagation from source to f luorophore and from f luorophore to detector. In principle, U0 and G may be updated to include the effects of heterogeneit ...
Encoding and Decoding Non-separable States of Polarization and Spatial Mode of Single Photons
... Color coding of the drawn ellipses corresponds to red being right-handed and blue being left-handed. The saturation of the colors encodes the probability. ...
... Color coding of the drawn ellipses corresponds to red being right-handed and blue being left-handed. The saturation of the colors encodes the probability. ...
Electrical Excitation of Surface Plasmons
... visible photon of the same energy. This implies that the interaction between electrons and photons is weak for @! me c2 , since energy and momentum cannot be simultaneously conserved. One way to bridge this mismatch is to employ polariton modes (plasmons). They have the same energy as free space p ...
... visible photon of the same energy. This implies that the interaction between electrons and photons is weak for @! me c2 , since energy and momentum cannot be simultaneously conserved. One way to bridge this mismatch is to employ polariton modes (plasmons). They have the same energy as free space p ...
Storage and Control of Optical Photons Using Rydberg
... The future success of quantum technologies will depend on the ability to integrate components of different systems. Strongly interacting systems, such as ions [1,2] or superconductors [3] are ideal for processing, large ensembles for memory [4], and optical photons for communication [5]. However, in ...
... The future success of quantum technologies will depend on the ability to integrate components of different systems. Strongly interacting systems, such as ions [1,2] or superconductors [3] are ideal for processing, large ensembles for memory [4], and optical photons for communication [5]. However, in ...
GPS General Particle Source
... the emitted photon frequency increases and their number decreases ...
... the emitted photon frequency increases and their number decreases ...
Quantum Optics Devices
... ǫ0 c 2 c ∂t All of these expressions are derivatives but completely describe the evolution of the field. By this trick, the number of variables describing the free field is already reduced to four scalar values for each point. There can be additive constants to the potentials U and A which leave the ...
... ǫ0 c 2 c ∂t All of these expressions are derivatives but completely describe the evolution of the field. By this trick, the number of variables describing the free field is already reduced to four scalar values for each point. There can be additive constants to the potentials U and A which leave the ...
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... cause decoherence of the polarization entanglement. The signal and idler photons are counted by photoncounting modules consisting of InGaAs/InP avalanche photodiodes (APD, Epitaxx, Model EPM 239BA) operated in the gated Geiger mode at room temperature.10 The 1-ns-wide gate pulses arrive at a rate of ...
... cause decoherence of the polarization entanglement. The signal and idler photons are counted by photoncounting modules consisting of InGaAs/InP avalanche photodiodes (APD, Epitaxx, Model EPM 239BA) operated in the gated Geiger mode at room temperature.10 The 1-ns-wide gate pulses arrive at a rate of ...
Generation of Polarization Entangled Photon Pairs in a Planar
... ∆Kxj , ∆Kyj and ∆Kzj is the phase mismatch along the x, y and z directions respectively for j = 1 and 2 processes in bulk . In order to make coefficients fHV and fV H to be equal, periodic poling of substrate is needed. For generation of polarization entangled photon pairs through type-II collinear ...
... ∆Kxj , ∆Kyj and ∆Kzj is the phase mismatch along the x, y and z directions respectively for j = 1 and 2 processes in bulk . In order to make coefficients fHV and fV H to be equal, periodic poling of substrate is needed. For generation of polarization entangled photon pairs through type-II collinear ...
Particle properties of Light solutions 2016
... energy completely when it collided with an electron in the metal. The energized electron used up some of this energy in overcoming the binding force of the atoms in the metal and escaped with the remaining energy. The energy that the electron uses up to escape from the metal is called the binding en ...
... energy completely when it collided with an electron in the metal. The energized electron used up some of this energy in overcoming the binding force of the atoms in the metal and escaped with the remaining energy. The energy that the electron uses up to escape from the metal is called the binding en ...
The lion-msc document class - Leiden Institute of Physics
... the probability to generate four photons in the same mode via two independent spontaneous processes. For a multi-mode situation, the relative importance of the stimulated emission process is given by a “visibility” χ that ranges from 0 to 1. The distinction between two independent pairs and four-pho ...
... the probability to generate four photons in the same mode via two independent spontaneous processes. For a multi-mode situation, the relative importance of the stimulated emission process is given by a “visibility” χ that ranges from 0 to 1. The distinction between two independent pairs and four-pho ...
Experimental demonstration of quantum correlations over more than
... Since the foundation of quantum mechanics, the often counterintuitive predictions of the theory have continued to puzzle physicists. The most peculiar aspect is entanglement, whereby, for example, a two-particle system is in a pure state, but each particle separately is in a complete mixture. Such e ...
... Since the foundation of quantum mechanics, the often counterintuitive predictions of the theory have continued to puzzle physicists. The most peculiar aspect is entanglement, whereby, for example, a two-particle system is in a pure state, but each particle separately is in a complete mixture. Such e ...
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... In single-scattering experiments, all observed photons travel nearly the same distance to the detector, and the scattering angle is well known. In DWS, however, photon path lengths are typically distributed over several centimeters. The detected photons have scattered many times, through all possibl ...
... In single-scattering experiments, all observed photons travel nearly the same distance to the detector, and the scattering angle is well known. In DWS, however, photon path lengths are typically distributed over several centimeters. The detected photons have scattered many times, through all possibl ...
Characterizing a single photon detector
... Quantum information is a big and growing field. One of the many topics includes quantum communication. Quantum communication utilizes photons as bits and by counting individual photons we take one step closer to realizing this goal. The wavelengths used in this experiment are als ...
... Quantum information is a big and growing field. One of the many topics includes quantum communication. Quantum communication utilizes photons as bits and by counting individual photons we take one step closer to realizing this goal. The wavelengths used in this experiment are als ...
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... then amplified by an erbium-doped fiber amplifier (EDFA). Photons at the Stokes and anti-Stokes wavelengths from the OPO that leak through the spectral-dispersion optics, and from the amplified spontaneous emission (ASE) from the EDFA, are suppressed by passing the pump through a 1nm-bandwidth tunab ...
... then amplified by an erbium-doped fiber amplifier (EDFA). Photons at the Stokes and anti-Stokes wavelengths from the OPO that leak through the spectral-dispersion optics, and from the amplified spontaneous emission (ASE) from the EDFA, are suppressed by passing the pump through a 1nm-bandwidth tunab ...
Two-photon quantum walk in a multimode fiber
... that utilizes phase-only SLMs (28–31, 37). This technique exploits the strong and complex mode mixing that occurs inside the disordered system to manipulate the classical field at the output. The approach used by Popoff et al. (37) to control the propagation of classical light through a multimode sc ...
... that utilizes phase-only SLMs (28–31, 37). This technique exploits the strong and complex mode mixing that occurs inside the disordered system to manipulate the classical field at the output. The approach used by Popoff et al. (37) to control the propagation of classical light through a multimode sc ...
Two-photon quantum walk in a multimode fiber
... that utilizes phase-only SLMs (28–31, 37). This technique exploits the strong and complex mode mixing that occurs inside the disordered system to manipulate the classical field at the output. The approach used by Popoff et al. (37) to control the propagation of classical light through a multimode sc ...
... that utilizes phase-only SLMs (28–31, 37). This technique exploits the strong and complex mode mixing that occurs inside the disordered system to manipulate the classical field at the output. The approach used by Popoff et al. (37) to control the propagation of classical light through a multimode sc ...
Diffusion theory
... One of the most useful approaches for tissuelight interaction is the diffusion approximation, as it can be solved analytically for simple geometries. The diffusion approximation has been used extensively in photon propagation modelling in tissue in the time domain, as well as in the frequency domain ...
... One of the most useful approaches for tissuelight interaction is the diffusion approximation, as it can be solved analytically for simple geometries. The diffusion approximation has been used extensively in photon propagation modelling in tissue in the time domain, as well as in the frequency domain ...
A tunable low-energy photon source for high
... At the exit slit of the monochromator, a pair of lenses focus the emitted light through a UHV viewport and onto the sample. The focal lengths of these lenses depend on their diameter and on the minimum lens-to-sample distance, which will vary between photoemission systems. As an example, we consider ...
... At the exit slit of the monochromator, a pair of lenses focus the emitted light through a UHV viewport and onto the sample. The focal lengths of these lenses depend on their diameter and on the minimum lens-to-sample distance, which will vary between photoemission systems. As an example, we consider ...