Photoelectric Effect
... Example: The maximum wavelength an electromagnetic wave can have and still eject an electron from a copper surface is 264nm. What is the work function of a copper surface? The given wavelength is right at the threshold for ejecting electrons, so there is no leftover kinetic energy when they are fre ...
... Example: The maximum wavelength an electromagnetic wave can have and still eject an electron from a copper surface is 264nm. What is the work function of a copper surface? The given wavelength is right at the threshold for ejecting electrons, so there is no leftover kinetic energy when they are fre ...
1. Introduction
... a case the first two possibilities - when both photons are transmitted (Fig.1a) or reflected (Fig.1b) - cannot be distinguished from one another because there is always one photon in either output mode. As a result, the two possibilities are coherently superposed. Due to unitarity of the beam-splitt ...
... a case the first two possibilities - when both photons are transmitted (Fig.1a) or reflected (Fig.1b) - cannot be distinguished from one another because there is always one photon in either output mode. As a result, the two possibilities are coherently superposed. Due to unitarity of the beam-splitt ...
42-Bertolucci_Sergio
... components: the fast component has a decay time of 6 ns and accounts for ~25% of the total light emission. In the ICARUS LAr-TPC the scintillation is recorded with 74 photomultipliers of 8 inch diameter, organized in horizontal arrays of 9 PMTs each, located behind the wire chambers. The PMT spacing ...
... components: the fast component has a decay time of 6 ns and accounts for ~25% of the total light emission. In the ICARUS LAr-TPC the scintillation is recorded with 74 photomultipliers of 8 inch diameter, organized in horizontal arrays of 9 PMTs each, located behind the wire chambers. The PMT spacing ...
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... derived from the diffusion equation, but photon migration is better approximated by a transport equation. In fact, significant differences between the diffusion equation and the transport equation arise near sharp boundaries. As mentioned below, we have detected evidence of these differences. The me ...
... derived from the diffusion equation, but photon migration is better approximated by a transport equation. In fact, significant differences between the diffusion equation and the transport equation arise near sharp boundaries. As mentioned below, we have detected evidence of these differences. The me ...
Lab Report 4 - University of Rochester
... BBO crystals through a process called Spontaneous Parametric Down-Conversion, we were able to measure the coincidence counts between two single-photon detectors to calculate Bell’s Inequalities and verify that they are indeed violated, thus proving that there is no classical explanation for this phe ...
... BBO crystals through a process called Spontaneous Parametric Down-Conversion, we were able to measure the coincidence counts between two single-photon detectors to calculate Bell’s Inequalities and verify that they are indeed violated, thus proving that there is no classical explanation for this phe ...
Quantum fluids of light
... Is HR in microcavities a quantum process? Unavoidable losses of microcavity device generate excitations in the fluid: lost photon → creates hole → Bogoliubov excitation Spurious excitations up to ω ~ gn , comparable to TH X.Busch, R.Parentani, IC, Spectrum and entanglement of phonons in quantum flu ...
... Is HR in microcavities a quantum process? Unavoidable losses of microcavity device generate excitations in the fluid: lost photon → creates hole → Bogoliubov excitation Spurious excitations up to ω ~ gn , comparable to TH X.Busch, R.Parentani, IC, Spectrum and entanglement of phonons in quantum flu ...
ppt 3.7MB - Weizmann Institute of Science
... • Stored state can be converted to polariton and then to anti-Stokes photon by applying resonant retrieve control beam • Retrieval beam prevents re-absorption due to EIT controls propagation properties of the retrieved (anti-Stokes) pulse Source of quantum-mechanically Stokes and anti-Stokes photo ...
... • Stored state can be converted to polariton and then to anti-Stokes photon by applying resonant retrieve control beam • Retrieval beam prevents re-absorption due to EIT controls propagation properties of the retrieved (anti-Stokes) pulse Source of quantum-mechanically Stokes and anti-Stokes photo ...
The spatial shape of entangled photon states generated in
... In contrast, when the width of the pump beam decreases so that L nc and L w become comparable to or smaller than the crystal length, the coincidence rate no longer mimics the spatial shape of the pump beam, so as to show a break-up of the cylindrical symmetry. This ellipticity can be observed in fig ...
... In contrast, when the width of the pump beam decreases so that L nc and L w become comparable to or smaller than the crystal length, the coincidence rate no longer mimics the spatial shape of the pump beam, so as to show a break-up of the cylindrical symmetry. This ellipticity can be observed in fig ...
X-ray photon pairs with highly suppressed background
... Another possible mechanism is multiple scattering: the photon is being backscattered by the Compton mechanism with a shift of about 1.6 keV and then Bragg reflected in the direction of the detector. We estimate the energy resolution at 21 keV to be about 400 eV according to the FWHM of the elastic p ...
... Another possible mechanism is multiple scattering: the photon is being backscattered by the Compton mechanism with a shift of about 1.6 keV and then Bragg reflected in the direction of the detector. We estimate the energy resolution at 21 keV to be about 400 eV according to the FWHM of the elastic p ...
Single particles quantum cryptography
... 600-900nm which have small atmospheric losses and low noise detectors with high efficient are available. The two main sources of error’s are: • Air turbulence which cause random deviation in direction and timing, this is the same effect that cusses stars to twinkle. The errors caused by this effect ...
... 600-900nm which have small atmospheric losses and low noise detectors with high efficient are available. The two main sources of error’s are: • Air turbulence which cause random deviation in direction and timing, this is the same effect that cusses stars to twinkle. The errors caused by this effect ...
Nonlocal Labeling of Paths in a Single-Photon Interferometer
... By scanning the voltage applied to the piezostack v p we were able to slightly change the length of one of the arms, and thus vary the phase difference ␦ over several optical periods. The pulse output of the photodetectors was fed to data acquisition electronics that recorded the singles and the coi ...
... By scanning the voltage applied to the piezostack v p we were able to slightly change the length of one of the arms, and thus vary the phase difference ␦ over several optical periods. The pulse output of the photodetectors was fed to data acquisition electronics that recorded the singles and the coi ...
The Case of Twisted Photons
... cross section may be from a few to a few hundred wavelengths . If the target size is of the order S or larger, an essential fraction of photon energy is transferred to rotation of the target. . For smaller targets, rotation is more likely is the target is next the center of the optical vortex ...
... cross section may be from a few to a few hundred wavelengths . If the target size is of the order S or larger, an essential fraction of photon energy is transferred to rotation of the target. . For smaller targets, rotation is more likely is the target is next the center of the optical vortex ...
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... The value of α can be defined based on boundary considerations or taken as a fitting parameter for a given interface. In Eq. (5) n̂ is the unit outward normal to the boundary surface. Using Eq. (5), it is now possible to transform Eq. (3) into an integral equation, the solution of which will provide ...
... The value of α can be defined based on boundary considerations or taken as a fitting parameter for a given interface. In Eq. (5) n̂ is the unit outward normal to the boundary surface. Using Eq. (5), it is now possible to transform Eq. (3) into an integral equation, the solution of which will provide ...
Imaging Spatial-Helical Mode Interference of Single Photons
... as a mode-defining quantity. Although these spatial properties have been implicit in these studies, there has not been many studies imaging the photons themselves to demonstrate their modal properties. Previous imaging studies have devoted to other aspects of photons bearing orbital angular momentum ...
... as a mode-defining quantity. Although these spatial properties have been implicit in these studies, there has not been many studies imaging the photons themselves to demonstrate their modal properties. Previous imaging studies have devoted to other aspects of photons bearing orbital angular momentum ...
A Study of the Phenomenon of Spontaneous Parametric Down
... do not require a previously calibrated standard in order to perform absolute optical measurements [2]. An example of a quantum phenomenon that produces entangled photons is spontaneous parametric downconversion (SPDC). SPDC was described as early as 1970 by D. C. Burnham and D.L. Weinberg [3]. Exper ...
... do not require a previously calibrated standard in order to perform absolute optical measurements [2]. An example of a quantum phenomenon that produces entangled photons is spontaneous parametric downconversion (SPDC). SPDC was described as early as 1970 by D. C. Burnham and D.L. Weinberg [3]. Exper ...
Photon number resolution using a time-multiplexed single
... development of photon detectors that are capable of resolving the number n of photons present in an incident pulse. Photon number-resolving detectors of this kind are needed for a linear optics approach to quantum computing [1, 2], for example, and they may have other applications as well [3], such ...
... development of photon detectors that are capable of resolving the number n of photons present in an incident pulse. Photon number-resolving detectors of this kind are needed for a linear optics approach to quantum computing [1, 2], for example, and they may have other applications as well [3], such ...
supporting material
... formation technique not only maintains the SNR when super-resolution photon position measurements are used, but actually increases this parameter. Similar increases in SNR could only be observed in COP images after low-pass filtering, which suppressed noise by smoothing pixel transitions, but also ...
... formation technique not only maintains the SNR when super-resolution photon position measurements are used, but actually increases this parameter. Similar increases in SNR could only be observed in COP images after low-pass filtering, which suppressed noise by smoothing pixel transitions, but also ...
Relativistic Doppler Effect of Light and Matter Waves
... Note that ω 0 is the frequency measured by the observer in frame S 0 , receding from the photon source if V > 0, and approaching toward the source if V < 0. An interesting point which can be noted from Eq.(2) is that there is a frequency shift even when θ = π/2, which corresponds to the situation wh ...
... Note that ω 0 is the frequency measured by the observer in frame S 0 , receding from the photon source if V > 0, and approaching toward the source if V < 0. An interesting point which can be noted from Eq.(2) is that there is a frequency shift even when θ = π/2, which corresponds to the situation wh ...
Panel Discussion: Are Electrons Oscillating Photons, Oscillating
... In the course of the panel discussion at the 2015 SPIE Conference it was my intention to make and support two main points: one, only the positions as a function of time are related to the ontological essence of material particles, all other assigned characteristics, e.g., “energy, momentum” and so o ...
... In the course of the panel discussion at the 2015 SPIE Conference it was my intention to make and support two main points: one, only the positions as a function of time are related to the ontological essence of material particles, all other assigned characteristics, e.g., “energy, momentum” and so o ...
Zeno effect in degree of polarization of a single photon or quantum
... any polarization transformation performed identically in both photons exp [iu · (σ 1 + σ 2 )] |U = |U, ...
... any polarization transformation performed identically in both photons exp [iu · (σ 1 + σ 2 )] |U = |U, ...
(Lithium Fluoride-Poly-Vinyl Alcohol) Composites
... house. The information about the electronic structure of crystalline and amorphous semiconductors has been mostly accumulated from the studies of optical properties in wide frequency range. The significance of amorphous semiconductors is in its energy gap[1]. Poly(vinyl alcohol) (PVA), as it is well ...
... house. The information about the electronic structure of crystalline and amorphous semiconductors has been mostly accumulated from the studies of optical properties in wide frequency range. The significance of amorphous semiconductors is in its energy gap[1]. Poly(vinyl alcohol) (PVA), as it is well ...
Wave Particle Unity and a Physically Realist Interpretation of Light
... I hold that the overall field is comprised of a series of parallel three-dimensional subspaces each associated with a charged source particle. Mathematically, the two approaches are the same though, it is just that the summations occur at different locations. Under the traditional account, the stren ...
... I hold that the overall field is comprised of a series of parallel three-dimensional subspaces each associated with a charged source particle. Mathematically, the two approaches are the same though, it is just that the summations occur at different locations. Under the traditional account, the stren ...
Mimicking celestial mechanics in metamaterials ARTICLES *
... or manifold in space acts as an attractor of both matter and light. Such systems are of great interest for science not only in terms of the fundamental studies of light–matter interactions but also for possible applications in optical devices that control, slow and trap light. It is thus important t ...
... or manifold in space acts as an attractor of both matter and light. Such systems are of great interest for science not only in terms of the fundamental studies of light–matter interactions but also for possible applications in optical devices that control, slow and trap light. It is thus important t ...
Barnett
... The set probability operators describing a measurement is called a probability operator measure (POM) or a positive ...
... The set probability operators describing a measurement is called a probability operator measure (POM) or a positive ...