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For the microwave equivalent of "light shining through the wall" (LSW) experiments, a sensitive microwave detector and very high electromagnetic shielding is required. The screening attenuation between the axion generating cavity and the…

Instrumentation and Detectors · Physics 2012-07-16 M. Betz , F. Caspers

In this study, four different techniques are presented. 1 Rectangular waveguide measurement technique for normal microwave materials microwave properties such as permeability and permittivity. This technique removed guess parameter and…

Instrumentation and Detectors · Physics 2009-06-17 Mahmut Obol

We use a double quantum dot as a frequency-tunable on-chip microwave detector to investigate the radiation from electron shot-noise in a near-by quantum point contact. The device is realized by monitoring the inelastic tunneling of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 S. Gustavsson , M. Studer , R. Leturcq , T. Ihn , K. Ensslin , D. C. Driscoll , A. C. Gossard

We present wave transport experiments in hyperuniform disordered arrays of cylinders with high dielectric permittivity. Using microwaves, we show that the same material can display transparency, photon diffusion, Anderson localization, or a…

Disordered Systems and Neural Networks · Physics 2020-10-16 Geoffroy J. Aubry , Luis S. Froufe-Pérez , Ulrich Kuhl , Olivier Legrand , Frank Scheffold , Fabrice Mortessagne

Coherent photon sources are key elements in different applications, ranging from quantum sensing to quantum computing. The possibility of designing and engineering superconducting circuits behaving like artificial atoms supports the…

A near-field microwave imaging system attempts to reveal the presence of an object and/or an electrical property distribution by measuring the scattered field from many positions surrounding the object. Over the past few decades, both the…

Medical Physics · Physics 2019-09-26 Wenyi Shao

Night vision is the ability to see in low-light conditions. However, conventional night vision imaging technology is limited by the requisite high-performance infrared focal plane array. In this article, we propose a novel scheme of color…

Optics · Physics 2021-07-15 Deyang Duan , Yunjie Xia

We consider a novel method of cloaking objects from the surrounding electromagnetic fields in the microwave region. The method is based on transmission-line networks that simulate the wave propagation in the medium surrounding the cloaked…

Classical Physics · Physics 2009-11-13 Pekka Alitalo , Olli Luukkonen , Liisi Jylhä , Jukka Venermo , Sergei Tretyakov

The world communicates to our senses of vision, hearing and touch in the language of waves, as the light, sound, and even heat essentially consist of microscopic vibrations of different media. The wave nature of light and sound has been…

Mesoscale and Nanoscale Physics · Physics 2018-02-06 Jeremie Maire , Roman Anufriev , Ryoto Yanagisawa , Aymeric Ramiere , Sebastian Volz , Masahiro Nomura

A nonclassical light source is essential for implementing a wide range of quantum information processing protocols, including quantum computing, networking, communication, and metrology. In the microwave regime, propagating photonic qubits…

We present a novel approach to automatic image colorization by imitating the imagination process of human experts. Our imagination module is designed to generate color images that are context-correlated with black-and-white photos. Given a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Chenyang Lei , Yue Wu , Qifeng Chen

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

Interferometers are widely used in imaging technologies to achieve enhanced spatial resolution, but require that the incoming photons be indistinguishable. In previous work, we built and analyzed color erasure detectors which expand the…

Rydberg atoms have been shown remarkable performance in sensing microwave field. The sensitivity of such an electrometer based on optical readout of atomic ensemble has been demonstrated to approach the photon-shot-noise limit. However, the…

Quantum Physics · Physics 2023-07-12 Shuhe Wu , Dong Zhang , Zhengchun Li , Minwei Shi , Peiyu Yang , Jinxian Guo , Wei Du , Guzhi Bao , Weiping Zhang

This paper describes the development of a pulsed light source using the discharge from an electrode in a medium of various noble gases. This source can be used to aid in the characterization and testing of new vacuum-ultraviolet (VUV)…

Instrumentation and Detectors · Physics 2022-06-01 A. D. McDonald , M. Febbraro , J. Asaadi , C. C Havener

Spectrum sensing is a key technology for cognitive radios. We present spectrum sensing as a classification problem and propose a sensing method based on deep learning classification. We normalize the received signal power to overcome the…

Signal Processing · Electrical Eng. & Systems 2019-09-16 Shilian Zheng , Shichuan Chen , Peihan Qi , Huaji Zhou , Xiaoniu Yang

The use of microwave irradiation is a promising alternative heat source for the synthesis of inorganic materials such as perovskite oxides. The method offers massive energy and time savings as compared to the traditional ceramic method. In…

Materials Science · Physics 2014-01-10 Jesus Prado-Gonjal , Rainer Schmidt , Emilio Moran

In this paper we introduce a new linear filtering technique, the so-called matrix filters, that maximizes the signal-to-interference ratio of compact sources of unknown intensity embedded in a set of images by taking into account the…

Astrophysics · Physics 2009-11-13 D. Herranz , J. L. Sanz

Color vision is essential for human visual perception, but its impact on machine perception is still underexplored. There has been an intensified demand for understanding its role in machine perception for safety-critical tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Ming-Chang Chiu , Yingfei Wang , Derrick Eui Gyu Kim , Pin-Yu Chen , Xuezhe Ma

Recently the EDGES experiment reported an enhanced 21cm absorption signal in the radio wave observation, which may be interpreted as either anomalous cooling of baryons or heating of cosmic microwave background photons. In this paper, we…

High Energy Physics - Phenomenology · Physics 2018-07-10 Takeo Moroi , Kazunori Nakayama , Yong Tang