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Superconducting Nanowire Single-Photon Detectors for Quantum Photonic Integrated Circuits on GaAs

2020-07-09 Science
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Release : 2020-07-09
Genre : Science
Kind : eBook
Book Rating : 806/5 ( reviews)

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Book Synopsis Superconducting Nanowire Single-Photon Detectors for Quantum Photonic Integrated Circuits on GaAs by : Schmidt, Wolfgang-Gustav Ekkehart

Download or read book Superconducting Nanowire Single-Photon Detectors for Quantum Photonic Integrated Circuits on GaAs written by Schmidt, Wolfgang-Gustav Ekkehart. This book was released on 2020-07-09. Available in PDF, EPUB and Kindle. Book excerpt:

Superconducting Nanowire Single-photon Detectors on Aluminum Nitride Photonic Integrated Circuits

2017
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Release : 2017
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Book Synopsis Superconducting Nanowire Single-photon Detectors on Aluminum Nitride Photonic Integrated Circuits by : Di Zhu (S.M.)

Download or read book Superconducting Nanowire Single-photon Detectors on Aluminum Nitride Photonic Integrated Circuits written by Di Zhu (S.M.). This book was released on 2017. Available in PDF, EPUB and Kindle. Book excerpt: 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 information processing. Among various waveguide materials, aluminum nitride (AlN) is a promising candidate because of its exceptionally wide bandgap, and intrinsic piezoelectric and electro-optic properties. In this Master's thesis, we developed a complete fabrication process for making high-performance niobium nitride SNSPDs on AlN, and demonstrated their integration with AlN photonic waveguides. The detectors fabricated on this new substrate material have demonstrated saturated detection efficiency from visible to near-IR, sub-60-ps timing jitter, and ~6 ns reset time. This work will contribute towards building a fully integrated quantum photonic processor.

Superconducting Devices in Quantum Optics

2016-02-29 Computers
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Release : 2016-02-29
Genre : Computers
Kind : eBook
Book Rating : 919/5 ( reviews)

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Book Synopsis Superconducting Devices in Quantum Optics by : Robert Hadfield

Download or read book Superconducting Devices in Quantum Optics written by Robert Hadfield. This book was released on 2016-02-29. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the basics and applications of superconducting devices in quantum optics. Over the past decade, superconducting devices have risen to prominence in the arena of quantum optics and quantum information processing. Superconducting detectors provide unparalleled performance for the detection of infrared photons in quantum cryptography, enable fundamental advances in quantum optics, and provide a direct route to on-chip optical quantum information processing. Superconducting circuits based on Josephson junctions provide a blueprint for scalable quantum information processing as well as opening up a new regime for quantum optics at microwave wavelengths. The new field of quantum acoustics allows the state of a superconducting qubit to be transmitted as a phonon excitation. This volume, edited by two leading researchers, provides a timely compilation of contributions from top groups worldwide across this dynamic field, anticipating future advances in this domain.

Technology and readout for scaling up superconducting nanowire single-photon detectors

2023-03-02 Technology & Engineering
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Release : 2023-03-02
Genre : Technology & Engineering
Kind : eBook
Book Rating : 564/5 ( reviews)

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Book Synopsis Technology and readout for scaling up superconducting nanowire single-photon detectors by : Knehr, Emanuel Marius

Download or read book Technology and readout for scaling up superconducting nanowire single-photon detectors written by Knehr, Emanuel Marius. This book was released on 2023-03-02. Available in PDF, EPUB and Kindle. Book excerpt: This work presents three advances to scale SNSPDs from few-pixel devices to large detector arrays: atomic layer deposition for the fabrication of uniform superconducting niobium nitride films of few-nanometer thickness, a frequency-multiplexing scheme to operate multiple detectors with a reduced number of lines, and the integration of SNSPDs with free-form polymer structures to achieve efficient optical coupling onto the active area of the detectors.

Evaluation of the Use of Superconducting 380 kV Cable

2020-11-03 Technology & Engineering
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Release : 2020-11-03
Genre : Technology & Engineering
Kind : eBook
Book Rating : 26X/5 ( reviews)

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Book Synopsis Evaluation of the Use of Superconducting 380 kV Cable by : Kottonau, Dustin

Download or read book Evaluation of the Use of Superconducting 380 kV Cable written by Kottonau, Dustin. This book was released on 2020-11-03. Available in PDF, EPUB and Kindle. Book excerpt: Diese Studie führt eine Auslegung von supraleitenden Kabeln für die Anwendung im 380-kV-Drehstromnetz durch und erläutert allgemeine Aspekte des Einsatzes solcher Kabel im Höchstspannungsnetz. Dabei vergleicht sie die Supraleitungstechnologie unter vielen verschiedenen Kriterien mit anderen Leitungstechnologien. - This study describes the design of superconducting cables for use in the 380 kV three-phase network and explains general aspects of the use of such cables in the extra-high voltage grid. It compares the superconducting technology with other line technologies under many different criteria.

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