English
Related papers

Related papers: Impedance Matched Absorptive Thermal Blocking Filt…

200 papers

This paper introduces a thermal infrared detector utilizing a nano-optomechanical silicon nitride (SiN) resonator, equipped with a free-space impedance-matched (FSIM) absorber composed of a platinum (Pt) thin film, offering a broadband…

Instrumentation and Detectors · Physics 2025-05-12 Paolo Martini , Stefan Emminger , Kostas Kanellopulos , Niklas Luhmann , Markus Piller , Robert Greyson West , Silvan Schmid

We demonstrate an atom interferometer that uses a laser-cooled continuous beam of $^{87}$Rb atoms having velocities of 10--20 m/s. With spatially separated Raman beams to coherently manipulate the atomic wave packets, Mach--Zehnder…

Atomic Physics · Physics 2015-06-18 H. B. Xue , Y. Y. Feng , S. Chen , X. J. Wang , X. S. Yan , Z. K. Jiang , Z. Y. Zhou

Significant (up to 6%) absorption of microwave power focused on a thin fiber (the diameter is three orders of magnitude less than the wavelength) by an ellipsoidal reflector is demonstrated experimentally. This new physical effect can be…

Plasma Physics · Physics 2011-12-30 A. Akhmeteli , N. G. Kokodiy , B. V. Safronov , V. P. Balkashin , I. A. Priz , A. Tarasevitch

We study the response of several microwave resonators made from superconducting NbTiN thin-film meandering nanowires with large kinetic inductance, having different circuit topology and coupling to the transmission line. Reflection…

Mesoscale and Nanoscale Physics · Physics 2024-06-18 Ermes Scarano , Elisabet K. Arvidsson , August K. Roos , Erik Holmgren , David B. Haviland

In this paper, a definition of the gain and added noise of impedance matching networks for scanning microwave microscopy is given. This definition can be used to compare different impedance matching techniques independently of the…

We propose a method to engineer the phonon thermal transport properties of low dimensional systems. The method relies on introducing a predetermined combination of molecular adsorbates, which give rise to antiresonances at frequencies…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 Koray Sevim , Hâldun Sevinçli

Dependence on the square resistance of the linear attenuation caused by an absorbing vane in a circular waveguide is investigated. The maximal attenuation is determined to be attained at the square resistance values in the range 130-150…

Applied Physics · Physics 2024-09-17 Igor M. Braver , Pinkhos Sh. Fridberg , Khona L. Garb

Data on thermal absorptivity and emissivity are important for calculations of heat flows in cryogenic devices. Although thermal radiative properties of materials used in cryogenics are measured, published and used for more than sixty years…

Materials Science · Physics 2020-06-11 Tomas Kralik , Pavel Hanzelka , Vera Musilova , Ales Srnka

Resistance thermometry is a time-tested method for taking temperature measurements. In recent years fundamental limits to resistance-based approaches spurred considerable interest in developing photonic temperature sensors as a viable…

Optics · Physics 2015-10-28 Nikolai N. Klimov , Sunil Mittal , Michaela Berger , Zeeshan Ahmed

Integrated circuit technology enables the scaling of circuit complexity and functionality while maintaining manufacturability and reliability. Integration is expected to play an important role in quantum information technologies, including…

A robust cryogenic infrastructure in form of a wired, thermally optimized dilution refrigerator is essential for present and future solid-state based quantum processors. Here, we engineer an extensible cryogenic setup, which minimizes…

We demonstrate a suspended thin-film aluminum nitride (AlN) microbolometer for narrowband very long-wave infrared detection. The device uses a 100-nm-thick AlN membrane suspended above a Pt back reflector by a 1-um air gap. Resonant…

We present a measurement and analysis scheme for determining traceable thermodynamic temperature at cryogenic temperatures using Coulomb blockade thermometry. The uncertainty of the electrical measurement is improved by utilizing two…

Superconducting circuits are a strong contender for realizing quantum computing systems, and are also successfully used to study quantum optics and hybrid quantum systems. However, their cryogenic operation temperatures and the current lack…

High-power interferers are one of the main hurdles in wideband communication channels. To that end, this paper presents a wideband interferer detection method. The presented technique operates by sampling the incoming signal as an input,…

Signal Processing · Electrical Eng. & Systems 2022-12-14 Mohammad Abu Khater , Dimitrios Peroulis

In this letter, we derive the impulse response of the channel with a spherical absorbing receiver, a spherical reflecting boundary, and a point transmitter in molecular communication domain. By exploring the channel characteristics and…

Emerging Technologies · Computer Science 2019-12-11 Fatih Dinc , Bayram Cevdet Akdeniz , Ali Emre Pusane , Tuna Tugcu

To reduce the level of thermally generated electrical noise transmitted to superconducting quantum devices operating at 20 mK, we have developed thin-film microwave power attenuators operating from 1 to 10 GHz. The 20 dB and 30 dB…

Instrumentation and Detectors · Physics 2017-06-13 Jen-Hao Yeh , Jay LeFebvre , Shavindra Premaratne , F. C. Wellstood , B. S. Palmer

This paper describes a THz transmission spectrometer for the spectral range of 2-65 cm^-1 (100 GHz to 2 THz) with a spectral resolution of at least 1.8 cm^-1 (50 GHz) where the source, sample, and detector are all fully contained in a…

Instrumentation and Detectors · Physics 2009-11-07 P. J. Burke , J. P. Eisenstein , L. N. Pfeiffer , K. W. West

The operation of the primary Coulomb blockade thermometer (CBT) is based on a measurement of bias voltage dependent conductance of arrays of tunnel junctions between normal metal electrodes. Here we report on a comparison of a CBT with a…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Matthias Meschke , Jost Engert , Dieter Heyer , Jukka P. Pekola

We present a computational framework for the design of magnonic transducers, where waveguide antennas generate and pick up spin-wave signals. Our method relies on the combination of circuit-level models with micromagnetic simulations and…