Single photon
Purification of a single-photon nonlinguarity
... Single photon nonlinearities based on a semiconductor quantum dot in an optical microcavity are a promising candidate for integrated optical quantum information processing ...
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Optimizing the polarization for a brighter CQED single photon source
... the single photon purity and the indistin- guishability. The single photon purity of the source is quantified by the dip in the intensity correlation function g ( 2 ) ( τ ) at zero time delay ...
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Coherent perfect absorption in deeply subwavelength films in the single-photon regime
... a single photon proves that the effect of modulation here does not rely on one photon modulating another, for example, via a non-linearity of the ...higher photon fluxes (that is, at classical ...
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Bright single photon source based on self aligned quantum dot cavity systems
... the single photon source is measured at saturation of the ...the photon counts per second on the single photon detectors (relative error 4%) with the laser repetition frequency of 82 ...
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Tomography and state reconstruction with superconducting single-photon detectors
... a single-element superconducting single-photon detector (SSPD) for quantum state ...measured photon counting behavior of the ...the photon counting behaviour of the SSPD by a ...
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Brain Single Photon Emission CT Physics Principles
... imaging. Single- photon emission computed tomography (SPECT) is a sensitive and specific 3D technique to monitor in vivo functional processes in both clinical and preclinical ...low photon-collection ...
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Modeling of Timing Jitter for Single Photon Avalanche Diodes
... silicon-based single photon avalanche diodes (SPADs) have gained great interest in photon counting and timing applications due to fast temporal response, high resolu- tion, low cost, ...in ...
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A PSpice Circuit Model for Single Photon Avalanche Diodes
... [4] Warburton, R.E., McCarthy, A., Wallace, A.M., Hernandez-Marin, S., Hadfield, R.H., Nam, S.W. and Buller, G.S. (2007) Subcentimeter Depth Resolution Using a Single-Photon Counting Time-of-Flight Laser ...
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Cockroach optomotor responses below single photon level
... Intracellular recordings were made using the same VR setup (Fig. 1C), and they showed that the photoreceptor responses consisted of discrete single photon responses or ‘quantum bumps’ at the behavioural ...
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Optical eigenmode description of single photon light matter interactions
... the photon, which collapses on to an eigenstate of the measurement ...a single photon are simply the classical eigenmodes of the ...a photon carries in free space, even at the single ...
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Microfiber microcavity system for efficient single photon collection
... Abstract: Single photon sources are key components for various quantum information ...bright single photon sources with efficient fiber-optical interfaces are highly ...fiber-coupled ...
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Single Photon Counting Detectors for Low Light Level Imaging Applications
... of photon- counting, due in no small part to their commercial ...with photon detection efficiencies (PDEs) near 70% near 600 nm, dark count rates (DCR) of 1 kHz, and relatively low operating voltages of ...
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A Design of Active Power Filter for Superconducting Nanowire Single-Photon Detectors
... Abstract: The basic structure and working principles of superconducting nanowire single-photon detectors (SNSPD) are described in this paper. The special requirements for power quality of the system are ...
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The development and optimization of potential germanium on silicon single photon avalanche diodes
... As mentioned above afterpulsing is one of the main causes for dark counts. This phenomenon limits how often a single photon can be detected. Dislocations, defects, and interfaces which may be present in a ...
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Interference with a quantum dot single-photon source and a laser at telecom wavelength
... the single-photon source, superposed on the uncorrelated laser-laser and dot-laser pho- ton ...The single-photon coherence time s c ...
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Site-Controlled Single-Photon Emitters Fabricated by Near-Field Illumination
... Figure 4. (a) PL spectra at 10 K of three GaAsN QDs emitting at different energies, distinguished by colors, superimposed to the PL spectrum of the GaAs/GaAsN/GaAs QW before hydrogenation (gray area). The labels X and XX ...
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Cerebral hemodynamics in arteriovenous malformations: evaluation by single photon emission CT
... We studied cerebral hemodynamics in patients with AVMs using single-photon emission CT SPECT with three types of radioactive isotopes: N-isopropyl-p-[' 231] iodoamphetamine, 81mKr, and 9[r] ...
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Radiolabeling, whole-body single photon emission computed tomography/computed tomography imaging, and pharmacokinetics of carbon nanohorns in mice
... mice. Their tissue distribution profiles at different time points were determined by single photon emission computed tomography/computed tomography. The results showed that the S-CNHs circulated longer in ...
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Quantification of Partial Volume Effects in Single Photon Computed Tomography
... Abstract-- Introduction: Partial volumes effects (PVEs) are caused by the limited spatial resolution of the imaging system. They hinder accurate quantification of images of organs with diameters less than two-three times ...
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Single photon emission CT findings in acute Japanese encephalitis
... plex encephalitis, because antiviral therapy for herpes simplex encephalitis is very effective in the acute stage (3). Specific antiviral therapy is not available for JE; however, its treatment may require specific ...
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