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The pn camera of EPIC is inherently robust against radiation damage effects. Nevertheless, the knowledge of charge transfer inefficiency (CTI) of the pn camera is crucial for obtaining the correct energy scale. We describe detailed in-orbit…

Astrophysics · Physics 2007-05-23 K. Dennerl , U. G. Briel , M. J. Freyberg , F. Haberl , N. Meidinger , V. E. Zavlin

The study proposes to use the photon trapping micro-structures to enhance quantum efficiency of the mid infrared photodetectors. The nanostructure that is consist of micro holes reduces reflection and bends the near normally incident light…

Quantum annealing approximately solves combinatorial optimization problems by leveraging the principles of adiabatic quantum systems. In this approach, the system's Hamiltonian evolves from an initial general state to a problem-specific…

Recent evidence suggests that the multi charge-separation pathways can contribute to the photosynthetic performance. In this work, the influence of coupled-dipoles on the photosynthetic performance was investigated in a two-charge…

Chemical Physics · Physics 2025-01-14 Ling-Fang Li , Shun-Cai Zhao

Thermal emittance and quantum efficiency (QE) are key figures of merit of photocathodes, and their uniformity is critical to high-performance photoinjectors. Several QE mapping technologies have been successfully developed; however, there…

Single-photon detectors in space must retain useful performance characteristics despite being bombarded with sub-atomic particles. Mitigating the effects of this space radiation is vital to enabling new space applications which require…

Multiple exciton generation (MEG) in nanometer-sized hydrogen-passivated silicon nanowires (NWs), and quasi two-dimensional nanofilms strongly depends on the degree of the core structural disorder as shown by the many-body perturbation…

Mesoscale and Nanoscale Physics · Physics 2014-11-25 Andrei Kryjevski , Dmitri Kilin

On-chip single-photon sources are key components for integrated photonic quantum technologies. Semiconductor quantum dots can exhibit near-ideal single-photon emission but this can be significantly degraded in on-chip geometries owing to…

We present the precision calibration of 35 Hamamatsu R11410-22 photomultiplier tubes (PMTs) with xenon scintillation light centred near 175 nm. This particular PMT variant was developed specifically for the LUX-ZEPLIN (LZ) dark matter…

Instrumentation and Detectors · Physics 2018-06-13 B. López Paredes , H. M. Araújo , F. Froborg , N. Marangou , I. Olcina , T. J. Sumner , R. Taylor , A. Tomás , A. Vacheret

We present a model for the Global Quantum Efficiency (GQE) of the MicroBooNE optical units. An optical unit consists of a flat, circular acrylic plate, coated with tetraphenyl butadiene (TPB), positioned near the photocathode of a 20.2-cm…

Instrumentation and Detectors · Physics 2018-03-06 S. F. Pate , T. Wester , L. Bugel , J. Conrad , E. Henderson , B. J. P. Jones , A. I. L. McLean , J. S. Moon , M. Toups , T. Wongjirad

The recently developed Projective Quantum Eigensolver (PQE) offers an elegant procedure to evaluate the ground state energies of molecular systems on quantum computers. However, the noise in available quantum hardware can result in…

Quantum Physics · Physics 2023-11-10 Chinmay Shrikhande , Sonaldeep Halder , Rahul Maitra

Micro-channel-plate-based photo-detectors are unique in being capable of covering areas of many square-meters while providing sub-millimeter space resolution, time resolutions of less than 10 picoseconds for charged particles, time…

Instrumentation and Detectors · Physics 2020-10-28 Jinseo Park , Fangjian Wu , Evan Angelico , Henry J. Frisch , Eric Spieglan

Most optoelectronic devices operate at high photocarrier densities, where all semiconductors suffer from enhanced nonradiative recombination. Nonradiative processes proportionately reduce photoluminescence (PL) quantum yield (QY), a…

Materials Science · Physics 2021-08-25 Hyungjin Kim , Shiekh Zia Uddin , Naoki Higashitarumizu , Eran Rabani , Ali Javey

The Milagro experiment observes the extensive air showers produced by very high energy gamma-rays impacting the Earth's atmosphere. Milagro uses 898 Hamamatsu R5912 Photomultiplier Tubes. To complete our Monte Carlo simulations, we tested…

Astrophysics · Physics 2007-11-14 V. Vasileiou , R. W. Ellsworth , A. J. Smith

We present a comprehensive model to analyze, quantitatively, and predict the process of degradation of organic light-emitting diodes (OLEDs) considering all possible degradation mechanisms, i.e., polaron, exciton, exciton-polaron…

The single-photon quantum filtering problems have been investigated recently with applications in quantum computing. In practice, the detector responds with a quantum efficiency of less than unity since there exists some mode mismatch…

Quantum Physics · Physics 2018-01-11 Zhiyuan Dong , Guofeng Zhang , Nina H. Amini

Although van der Waals layered transition metal dichalcogenides from transient absorption spectroscopy have successfully demonstrated an ideal carrier multiplication (CM) performance with an onset of nearly 2Eg,interpretation of the CM…

Mesoscale and Nanoscale Physics · Physics 2021-04-20 Jun Suk Kim , Minh Dao Tran , Sung-Tae Kim , Daehan Yoo , Sang-Hyun Oh , Ji-Hee Kim , Young Hee Lee

Quantum many-body systems present substantial technical challenges from both analytical and numerical perspectives. Despite these difficulties, some progress has been made, including studies of interacting atomic gases and interacting…

Quantum Physics · Physics 2025-09-08 Anass Hminat , Abdallah Slaoui , Brahim Amghar , Rachid Ahl Laamara

In a neutrinoless double-beta decay ($0\nu\beta\beta$) experiment, energy resolution is important to distinguish between $0\nu\beta\beta$ and background events. CAlcium fluoride for studies of Neutrino and Dark matters by Low Energy…

Storage lifetime and capacity are two important factors to characterize the performance of a quantum memory. Here we report the stable trapping of above 200 ions in a cryogenic setup, and demonstrate the combination of the multi-qubit…

Quantum Physics · Physics 2023-01-04 R. Yao , W. -Q. Lian , Y. -K. Wu , G. -X. Wang , B. -W. Li , Q. -X. Mei , B. -X. Qi , L. Yao , Z. -C. Zhou , L. He , L. -M. Duan
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