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Single-photon detectors (SPDs) at near infrared wavelengths with high system detection efficiency (> 90%), low dark count rate (< 1 counts per second, cps), low timing jitter (< 100 ps), and short reset time (< 100 ns) would enable landmark…

We compare fundamental characteristics of proposed electrically pumped subwavelength plasmonic lasers (spasers) with ubiquitous all-dielectric semiconductor micro-lasers (VCSEL) and indicate their close similarities as well as large…

Optics · Physics 2013-09-10 Jacob B Khurgin , Greg Sun

Recent developments in stimulated emission depletion (STED) microscopy achieved nanometer scale resolution and showed great potential in live cell imaging. Yet, STED nanoscopy techniques are based on single point-scanning. This constitutes…

Biological Physics · Physics 2015-06-16 Bin Yang , Frédéric Przybilla , Michael Mestre , Jean-Baptiste Trebbia , Brahim Lounis

The use of probabilistic spintronic devices for infrared radiation detection has introduced a shift in approach to thermal imaging. The integration of probabilistic magnetic tunnel junctions with infrared plasmonic nano-antennas achieves…

Instrumentation and Detectors · Physics 2025-10-09 Utkarsh Singh , Leif Bauer , Angshuman Deka , Mohamed Mousa , Daien He , Sakshi Gupta , Bhagwati Prasad , Zubin Jacob

We develop a scannerless non-line-of-sight three dimensional imaging system based on a commercial 32x32 SPAD camera combined with a 70 ps pulsed laser. In our experiment, 1024 time histograms can be achieved synchronously in 3s with an…

Image and Video Processing · Electrical Eng. & Systems 2020-11-11 Chenfei Jin , Meng Tang , Legeng Jia , Xiaorui Tian , Jie Yang , Kai Qiao , Siqi Zhang

High-frequency gating InGaAs/InP single-photon detectors (SPDs) are widely used for applications requiring single-photon detection in the near-infrared region such as quantum key distribution. Reducing SPD size is highly desired for…

Instrumentation and Detectors · Physics 2018-12-06 Wen-Hao Jiang , Xin-Jiang Gao , Yu-Qiang Fang , Jian-Hong Liu , Yong Zhou , Li-Qun Jiang , Wei Chen , Ge Jin , Jun Zhang , Jian-Wei Pan

Traditional fluorescence staining is phototoxic to live cells, slow, and expensive; thus, the subcellular structure prediction (SSP) from transmitted light (TL) images is emerging as a label-free, faster, low-cost alternative. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Jintu Zheng , Yi Ding , Qizhe Liu , Yi Cao , Ying Hu , Zenan Wang

Lensless imaging enables exceptionally compact fluorescence sensors, advancing applications in \textit{in vivo} imaging and low-cost, point-of-care diagnostics. These sensors require a filter to block the excitation light while passing…

Image and Video Processing · Electrical Eng. & Systems 2026-02-20 Lukas Harris , Micah Roschelle , Jack Bartley , Mekhail Anwar

Integrated photodetectors are essential components of scalable photonics platforms for quantum and classical applications. However, most efforts in the development of such devices to date have been focused on infrared telecommunications…

Applied Physics · Physics 2021-04-14 Salih Yanikgonul , Victor Leong , Jun Rong Ong , Ting Hu , Ching Eng Png , Leonid Krivitsky

Conventional LIDAR systems require hundreds or thousands of photon detections to form accurate depth and reflectivity images. Recent photon-efficient computational imaging methods are remarkably effective with only 1.0 to 3.0 detected…

Applications · Statistics 2019-11-13 Joshua Rapp , Vivek K Goyal

Despite super-resolution fluorescence blinking microscopes break the diffraction limit, the intense phototoxic illumination and long-term image sequences thus far still pose to major challenges in visualizing live-organisms. Here, we…

We present a rapid-scanning approach to fluorescence-detected two-dimensional electronic spectroscopy that combines acousto-optic phase-modulation with digital lock-in detection. The approach shifts the signal detection window to suppress…

Future astrophysics and cosmic microwave background space missions operating in the far-infrared to millimetre part of the spectrum will require very large arrays of ultra-sensitive detectors in combination with high multiplexing factors…

We present a detailed study of an 8-channel $1\times1$ mm$^{2}$ WSi superconducting microwire single photon detector (SMSPD) array exposed to 120 GeV hadron beam and 120 GeV muon beam at the CERN Super Proton Synchrotron H6 beamline.…

We present the first 1Mpixel SPAD camera ever reported. The camera features 3.8ns time gating and 24kfps frame rate; it was fabricated in 180nm CIS technology. Two pixels have been designed with a pitch of 9.4$\mu$m in 7T and 5.75T…

Image and Video Processing · Electrical Eng. & Systems 2020-01-01 Kazuhiro Morimoto , Andrei Ardelean , Ming-Lo Wu , Arin Can Ulku , Ivan Michel Antolovic , Claudio Bruschini , Edoardo Charbon

Single-photon avalanche diode (SPAD) based transient imaging suffers from an aberration called pile-up. When multiple photons arrive within a single repetition period of the illuminating laser, the SPAD records only the arrival of the first…

Instrumentation and Detectors · Physics 2018-06-21 Adithya K. Pediredla , Aswin C. Sankaranarayanan , Mauro Buttafava , Alberto Tosi , Ashok Veeraraghavan

Silicon drift detectors (SDDs) revolutionized spectroscopy in fields as diverse as geology and dentistry. For a subset of experiments at ultra-fast, x-ray free-electron lasers (FELs), SDDs can make substantial contributions. Often the…

Fixed-complexity Sphere Decoder (FSD) is a recently proposed technique for Multiple-Input Multiple-Output (MIMO) detection. It has several outstanding features such as constant throughput and large potential parallelism, which makes it…

Information Theory · Computer Science 2010-06-22 Bin Wu , Guido Masera

Multispectral imaging is very beneficial in diverse applications, like healthcare and agriculture, since it can capture absorption bands of molecules in different spectral areas. A promising approach for multispectral snapshot imaging are…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Frank Sippel , Jürgen Seiler , André Kaup

Superconducting strip single-photon detectors (SSPDs) are excellent tools not only for single-photon detection but also for single-particle detection owing to their high detection efficiency, low dark counts, and low time jitter. Although…