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We demonstrate a compact piezoelectric-driven micropipette launcher for localized in-vacuum delivery of nano- and microparticles into optical traps. The launcher has been integrated into multiple optical trapping setups, including a…

Integrating alkali atomic vapors with nanophotonic devices offers a scalable route to quantum technologies that leverage strong atom-photon interactions. While there have been many approaches to such integration, the general reliance on…

Microwave sensors integrated with microfluidic platforms can provide the size and permittivity of single cells and microparticles. Amongst the microwave sensor topologies, the planar arrangement of electrodes is a popular choice owing to…

The Silicon Charge Detector (SCD) is a subdetector of the High Energy Cosmic Radiation Detection payload. The dynamic range of the silicon microstrip detector can be extended by the capacitive coupling effect, which is related to the…

Instrumentation and Detectors · Physics 2024-03-03 Ruo-Si Lu , Rui Qiao , Ke Gong , Wen-Xi Peng , Wei-Shuai Zhang , Dong-Ya Guo , Jia-Ju Wei , Yi-Ming Hu , Jian-Hua Guo , Qi Wu , Peng Hu , Xuan Liu , Bing Lu , Yi-Rong Zhang

To date, most integrated quantum photonics experiments rely on single-photon detectors operating at cryogenic temperatures coupled to photonic integrated circuits (PICs) through single-mode optical fibers. This approach presents significant…

We describe the fabrication and characterization of solid 3-dimensional electrodes in direct contact with microfluidic channels, implemented using a single photolithography step, allowing operation in high-dielectric constant media.…

Soft Condensed Matter · Physics 2013-05-16 T. W. Herling , T. Müller , L. Rajah , J. N. Skepper , M. Vendruscolo , T. P. J. Knowles

Directional couplers are essential components in integrated photonics. Given their widespread use, accurate characterization of directional couplers is crucial for ensuring optimal performance. However, it is challenging due to the coupling…

We report on a large active area (15x15mm2), high channel density (470 pixels/mm2), self-triggering CMOS analog chip that we have developed as pixelized charge collecting electrode of a Micropattern Gas Detector. This device, which…

Silicon Photo-Multipliers (SiPM) are regarded as novel photo-detectors to replace conventional Photo-Multiplier Tubes (PMTs). However, the breakdown voltage dependence on the ambient temperature results in a gain variation of $\sim$3$\%…

Instrumentation and Methods for Astrophysics · Physics 2017-01-18 Zhengwei Li , Congzhan Liu , Yupeng Xu , Bo Yan , Yanguo Li , Xuefeng Lu , Xufang Li , Shuo Zhang , Zhi Chang , Jicheng Li , Yifei Zhang , Jianling Zhao

Amorphous thin film superconductors are promising alternatives for the development of superconducting radiation detectors, especially superconducting nanowire single photon detectors (SNSPDs) and superconducting microwire single photon…

Superconductivity · Physics 2025-10-08 Shekhar Chandra Pandey Shilpam Sharma , M. K. Chattopadhyay

Graphene has emerged as a promising material for photonic applications fuelled by its superior electronic and optical properties. However, the photoresponsivity is limited by the low absorption cross section and ultrafast recombination…

Monolithic Active Pixel Sensors (MAPS) have been developed since the late 1990s based on silicon substrates with a thin epitaxial layer (thickness of 10-15 $\mu$m) in which charge is collected on an electrode, albeit by disordered and slow…

We present a novel platform to construct high-performance nanophotonic devices in low refractive index dielectric films at telecoms wavelengths. The formation of horizontal slots by PECVD deposition of high index amorphous silicon provides…

Optics · Physics 2014-01-21 Chi Xiong , Wolfram H. P. Pernice , Mo Li , Hong X. Tang

We present characterization results and performance of a prototype Multiple-Amplifier Sensing (MAS) silicon charge-coupled device (CCD) sensor with 16 channels potentially suitable for faint object astronomical spectroscopy and low-signal,…

Instrumentation and Methods for Astrophysics · Physics 2025-02-11 Kenneth W. Lin , Armin Karcher , Julien Guy , Stephen E. Holland , William F. Kolbe , Peter E. Nugent , Alex Drlica-Wagner , Ana M. Botti , Javier Tiffenberg

Highly sensitive and fast photodetector devices with CdSe quantum nanowires as active elements have been developed exploiting the advantages of electro- and wet-chemical routes. Bismuth nanoparticles electrochemically synthesized directly…

Materials Science · Physics 2015-07-20 Alexander Littig , Hauke Lehmann , Christian Klinke , Tobias Kipp , Alf Mews

A highly sensitive photodetection system with a detection limit of 1 photon/s was developed. This system uses a commercially available 200-mm-diameter silicon avalanche photodiode (APD) and an in-house-developed ultralow-noise readout…

Quantum Physics · Physics 2009-11-11 Makoto Akiba , Mikio Fujiwara , Masahide Sasaki

With a rapidly growing amount of data generated and processed, a search for more efficient components and architectures such as neuromorphic computing that are able to perform a more and more complex operations in more efficient way…

Optics · Physics 2021-09-29 Jacek Gosciniak

We report a novel negative photoconductivity (NPC) mechanism in n-type indium arsenide nanowires (NWs). Photoexcitation significantly suppresses the conductivity with a gain up to 10^5. The origin of NPC is attributed to the depletion of…

Mesoscale and Nanoscale Physics · Physics 2015-11-03 Yiming Yang , Xingyue Peng , Hong-Seok Kim , Taeho Kim , Sanghun Jeon , Hang Kyu Kang , Wonjun Choi , Jindong Song , Yong-Joo Doh , Dong Yu

Valley Hall photonic crystals (VPCs) offer the potential to create topological waveguides capable of guiding light through sharp bends on a chip. They can seamlessly integrate with functional components while occupying minimal space, making…