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DEPFET pixel detectors are unique devices in terms of energy and spatial resolution because very low noise (ENC = 2.2e at room temperature) operation can be obtained by implementing the amplifying transistor in the pixel cell itself. Full…

We investigate the heat conduction between two one-dimension waveguides intermediated by a Laser-driving atom. The Laser provides the optical control on the heat conduction. The tunable asymmetric conduction of the heat against the…

Quantum Physics · Physics 2023-02-15 Wei-Bin Yan , Zhong-Xiao Man , Ying-Jie Zhang , Heng Fan , Yun-Jie Xia

An upgraded high-energy nanosecond pulsed laser system tailored for optical particle diagnostics and manipulation capable of pulse energies beyond Joule-level is presented. In addition to the notable output energy increase, the laser system…

The advent of memristors and resistive switching has transformed solid state physics, enabling advanced applications such as neuromorphic computing. Inspired by these developments, we introduce the concept of Mem-emitters, devices that…

A stable reference light source based on an LED (Light Emission Diode) is presented for stabilizing the conversion gain of the opto-electronic system of a gamma- and fast-neutron radiographic and tomographic imaging device. A constant…

Instrumentation and Detectors · Physics 2010-02-09 M. Weierganz , D. Bar , B. Bromberger , V. Dangendorf , G. Feldman , M. B. Goldberg , M. Lindemann , I. Mor , K. Tittelmeier , D. Vartsky

The vast majority of modern microelectronic devices rely on carriers within semiconductors due to their integrability. Therefore, the performance of these devices is limited due to natural semiconductor properties such as band gap and…

Optics · Physics 2016-11-23 Ebrahim Forati , Tyler J. Dill , Andrea Tao , Dan Sievenpiper

Optomechanics is concerned with the use of light to control mechanical objects. As a field, it has been hugely successful in the production of precise and novel sensors, the development of low-dissipation nanomechanical devices, and the…

Optics · Physics 2020-01-23 James Millen , Tania S. Monteiro , Robert Pettit , A. Nick Vamivakas

Tunneling light-emitting devices (LEDs) based on transition metal dichalcogenides (TMDs) and other 2D materials are a new platform for on-chip optoelectronic integration. Some of the physical processes underlying this LED architecture are…

Mesoscale and Nanoscale Physics · Physics 2023-03-02 Shengyu Shan , Jing Huang , Sotirios Papadopoulos , Ronja Khelifa , Takashi Taniguchi , Kenji Watanabe , Lujun Wang , Lukas Novotny

In this letter, we propose that the narrowband photodetection can be realized in the skin layer of semiconductors with the spatially separated photo-excited carriers from the nanoscale heterolattice electronic transitions (NanoHLETs). The…

Mesoscale and Nanoscale Physics · Physics 2021-07-21 Zhipeng Wei , Xuan Fang , Peter Y. Yu , Jiaxu Yan , Dengkui Wang , Jilong Tang , Kewei Liu , Hai Xu , Xaiobo Chen , Lei Liu , D. Z. Shen

Above-threshold light emission from plasmonic tunnel junctions, when emitted photons have energies significantly higher than the energy scale of the incident electrons, has attracted much recent interest in nano-optics, while the underlying…

Mesoscale and Nanoscale Physics · Physics 2020-12-08 Longji Cui , Yunxuan Zhu , Mahdiyeh Abbasi , Arash Ahmadivand , Burak Gerislioglu , Peter Nordlander , Douglas Natelson

Optical manipulation of micro- and nanoparticles near surfaces is fundamental for applications in sensing and microfluidics, yet controlling particle-surface interactions remains challenging. Here we experimentally investigate light-induced…

The features of a compact, single pass, multi-pixel optical parametric generator are discussed. Several hundreds of independent high spatial-quality tunable ultrashort pulses were produced by pumping a bulk lithium triborate crystal with an…

A low-energy electron diffraction (LEED) apparatus which works at temperatures down to about 100 mK is designed to obtain structural information of 2D helium on graphite. This very low temperature system can be realized by reducing the…

Materials Science · Physics 2015-06-11 K. Matsui , S. Nakamura , T. Matsui , Hiroshi Fukuyama

The growing adoption of extended reality (XR) has increased demand for wearable technologies that provide naturalistic tactile sensations while allowing users to interact freely with their environments using bare fingers. However, most…

Human-Computer Interaction · Computer Science 2026-05-29 Ana Sanz Cozcolluela , Koen Wosten , Yasemin Vardar

Electrochemical gating has been demonstrated as a powerful tool to tune the physical properties of two-dimensional (2D) materials, leading to lots of fascinating quantum phenomena. However, the reported liquid-nature electrolytes (e.g,…

Applied Physics · Physics 2022-04-27 Xin Hu , Shou-Xin Zhao , Yang Li , Zhao-Yuan Sun , Liang Zhen , Cheng-Yan Xu

The idea of generating electricity from ambient heat has significant meanings for both science and engineering. Here, we present an interesting idea of using pencil leads, which are made of graphite and clay, to generate electricity from…

Materials Science · Physics 2012-06-19 Zihan Xu , Guo'an Tai

The on-chip creation of coherent light at visible wavelengths is crucial to field-level deployment of spectroscopy and metrology systems. Although on-chip lasers have been implemented in specific cases, a general solution that is not…

We discuss the use of commercial high-power light emitting diodes (LEDs) as a light source for fluorescence pressure measurements. A relatively broad light emitting spectra of single color LEDs (in comparison with lasers) do not prevent…

Materials Science · Physics 2023-05-19 Rustem Khasanov , Matthias Elender , Stefan Klotz

Optical metamaterials and metasurfaces which emerged in the course of the last few decades have revolutionized our understanding of light and light-matter interaction. While solid materials are naturally employed as key building elements…

Optics · Physics 2019-12-16 Shimon Rubin , Yeshaiahu Fainman

Terahertz (THz) technology is a growing and multi-disciplinary research field, particularly for sensing and telecommunications. A number of THz waveguides have emerged over the past years, which are set to complement the capabilities of…