Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 29 for “"photon detector"”.
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The HERMES recoil photon detector and nuclear pt-broadening at HERMES.
… de bouw en de test van de hermes recoil foton detector. Het tweede deel handelt aangaande verbreding van de transversale impuls van hadronen gevormd in een nucleaire omgeving ter vergelijking met diegene die gevormd worden aan een nuceon (proton of neutron). Dit verschaft informatie over hoe …
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Multi-element superconducting nanowire single photon detectors
Single-photon-detector arrays can provide unparalleled performance and detailed information in applications that require precise timing and single photon sensitivity. Such arrays have been demonstrated using a number of single-photon-detector technologies, but the high performance of …
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Sub-nanosecond Cherenkov photon detection for LHCb particle identification in high-occupancy conditions and semiconductor tracking for muon scattering tomography
… track multiplicity and hit occupancy in the LHCb detector. In order to mitigate this effect, the use of photon detector hit time information is presented in the context of the Ring-Imaging Cherenkov (RICH) detectors. The application of a time gate in the FPGA of the digital readout board for the …
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Superconducting nanowire single-photon detectors on aluminum nitride photonic integrated circuits
With recent advances in integrated single-photon sources and quantum memories, onchip integration of high-performance single-photon detectors becomes increasingly important. The superconducting nanowire single-photon detector (SNSPD) is the leading single-photon counting technology for quantum …
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Microwave engineering in superconducting nanowires for single-photon detection
Detecting light at the single-photon level plays a crucial role in photonic quantum information processing, deep-space optical communication, astronomical observation, and biological and chemical sensing. With their exceptional performance, superconducting nanowire single-photon detectors (SNSPDs) …
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Characterization of Scintillation Light in Large Liquid Argon Detectors and the Implications for Proton Decay Searches
… planned long baseline neutrino experi- ment. The detector will be comprised of four modules with 10kt of active volume each, making it an ideal target to neutrino oscillation physics and searches for proton decay. ProtoDUNE-SP was a single-phase liquid argon time projection chamber - a prototype …
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Superconducting nanowire single-photon detectors : new detector architectures and integration with photonic chips
Superconducting nanowire single-photon detectors (SNSPDs) are a promising technology for long-distance optical communication and quantum information processing. Recent advances in single-photon generation, storage and detection technologies have spurred interest in integration of these components …
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Nonlinearity engineering with the Quarton
… microwave artificial atoms, metamaterials, and photons in a manner that (to the best of our knowledge) has no optical analog. We show that for Quarton mediated light-matter coupling, the Quarton can erase or amplify the nonlinearity of artificial atoms and metamaterials. Without nonlinearity, …
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Superconducting thin film nanoelectronics
… such as the superconducting nanowire single-photon detector.
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New opportunities for photon storage and detection: an exploration of a high-efficiency optical quantum memory and the quantum capabilities of the human eye
… develop new ways of manipulating and detecting photons. Here, we discuss our efforts toward developing two separate quantum optics experiments that can provide great insight into the development of quantum devices. We begin by discussing our work to investigate the lower threshold of human …
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Millivolt silicon photonic modulators for cryogenic applications
… computing, high performance computing and single-photon communication systems. As these technologies mature and systems scale, a readout solution for high speed, low power data transfer between the cryogenic environment and room temperature becomes essential. The use of optical links for such data …
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INFRARED SENSORS USING SILICON MICROSTRUCTURES
… systems. There are basically two groups of detectors: photon detectors and thermal detectors. The high costs of cooling apparatus and infrared ( lR ) sensitive materials restrict the wide application of the photon detector as an IR imager. Recent development of microbolometer detectors …
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Development of a gamma ray telescope for online synovial dosimetry in boron neutron capture synovectomy
… irradiation time can be determined. A 478 keV photon is emitted following 94% of boron neutron capture reactions, and detection of 478 keV photons emitted from the synovium provides a potential approach for online monitoring of the accumulated synovial boron dose. This thesis explores the …
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Development of the Visible Light Photon Counter for Applications in Quantum Information Science
<p>The visible light photon counter (VLPC) is a high quantum efficiency (QE), Si-based, single-photon detector with high gain, low-noise multiplication, low timing jitter, and photon number resolution. While the VLPC has high QE in the visible wavelengths, the QE in the ultraviolet and infrared is …
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Study of ultranarrow superconducting NbN nanowires and nanowires under strong magnetic field for photon detection
Photon detection is an integral part of experimental physics, high-speed communication, as well as many other high-tech disciplines. In the realm of communication, unmanned spacecraft are travelling extreme distances, and ground stations need more and more sensitive and selective detectors to …
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Single-photon avalanche photodiodes for quantum communication applications in the near-infrared
… research undertaken on InGaAs-InP single-photon avalanche photodiodes (SPADs) intended for use in near-infrared (NIR) applications, such as light detection and ranging (LIDAR) and quantum key distribution (QKD) systems. Within the work, the effect of the lateral dimensions of the …
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A photon-photon interface with an atomic ensemble in an optical cavity
… I demonstrate four such devices for optical photons traveling in two different modes: an all-optical switch and transistor, a nondestructive photon detector, a phase shifter, and a quantum state generator. These devices rely on a nonlinear optical interface comprised of a few thousand atoms …
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Engineering the optical properties of subwavelength devices and materials
… devices. The superconducting nanowire single-photon detector (SNSPD) is one such device that, on the one hand, needs to absorb and detect single telecom-wavelength photons (A = 1.55 pm) with near-perfect efficiency, but on the other hand, has an absorber that is subwavelength in its thickness …
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High-Performance CMOS Front-End ASICs for SiPM Detectors and High-Frequency Ultrasound and Photoacoustic Imaging
… photomultiplier (SiPM), as a high sensitivity photon detector, has been widely used in high energy physics, positron emission tomography imaging, and light detection and ranging applications. The slow-rising edge of standard SiPM signal, however, makes the timing measurement sensitive to noise …
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