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We characterize a new commercial, back-illuminated reach-through silicon single-photon avalanche photo diode (SPAD) SAP500 (Laser Components. Inc.), operated in Geiger-mode for purpose of photon counting. We show that for this sensor a…

Instrumentation and Detectors · Physics 2013-11-12 Mario Stipčević , Daqing Wang , Rupert Ursin

The 2-{\mu}m waveband, emerging as a highly promising candidate for optical communication, offers an extended wavelength window for high-speed optical transmission. Despite its potential, the development of integrated electro-optic (E/O)…

Optics · Physics 2026-04-06 Chao Luan , Deming Kong , Yunhong Ding , Hao Hu

Event cameras are bio-inspired dynamic vision sensors that respond to changes in image intensity with a high temporal resolution, high dynamic range and low latency. These sensor characteristics are ideally suited to enable visual target…

Robotics · Computer Science 2022-08-04 Ziwei Wang , Yonhon Ng , Jack Henderson , Robert Mahony

Silicon photonics provides a versatile platform for large-scale integration of optical functions, but its weak intrinsic nonlinear response limits the realization of active, intensity-dependent functionalities. Hybrid integration of…

We present a novel microfabricated optical cavity, which combines a very small mode volume with high finesse. In contrast to other micro-resonators, such as microspheres, the structure we have built gives atoms and molecules direct access…

Quantum Physics · Physics 2009-11-11 M. Trupke , E. A. Hinds , S. Eriksson , E. A. Curtis , Z. Moktadir , E. Kukharenka , M. Kraft

As data rates for multi-gigabit serial interfaces within multi-node compute systems approach and exceed 10 Gigabits per second (Gbps), board-to-board and chip-to-chip optical signaling solutions become more attractive, particularly for…

Signal Processing · Electrical Eng. & Systems 2023-01-25 James Kruchowski , Vladimir Sokolov , Nathan E. Harff , Mark A. Nelson , KY Liou , Graham Cameron , Barry K. Gilbert , Erik S. Daniel

Gated InGaAs/InP avalanche photodiodes are the most practical device for detection of telecom single photons arriving at regular intervals.Here, we report the development of a compact single-photon detector (SPD) module measured just 8.8cm…

Instrumentation and Detectors · Physics 2024-01-08 Yan Zhengyu , Shi Tingting , Fan Yuanbin , Zhou Lai , Yuan Zhiliang

We are developing large TES arrays in combination with FDM readout for the next generation of X-ray space observatories. For operation under AC-bias, the TESs have to be carefully designed and optimized. In particular, the use of high…

We present a quantum-correlation-based free-space optical(FSO) link over 250 m using an outdoor active reflector 125 m from the transceiver station. The performance of free-space optical communication can be significantly degraded by…

Quantum Physics · Physics 2022-07-27 Dongkyu Kim , Dohoon Lim , Kyungdeuk Park , Yong Sup Ihn

It is predicted that demand in optical access networks will reach multi-Gb/s per user. However, the limited performance of the direct detection receiver technology currently used in the optical network units at the customers' premises…

Signal Processing · Electrical Eng. & Systems 2018-03-02 M. Sezer Erkılınç , Domaniç Lavery , Kai Shi , Benn C. Thomsen , Robert I. Killey , Seb J. Savory , Polina Bayvel

Existing molecular communication systems, both theoretical and experimental, are characterized by low information rates. In this paper, inspired by time-of-flight mass spectrometry (TOFMS), we consider the design of a molecular…

Emerging Technologies · Computer Science 2023-07-25 Taha Sajjad , Andrew W. Eckford

We design and demonstrate a monolithically integrated silicon photonic multichannel optical hybrid for versatile broadband coherent reception, addressing the critical limitations of current wavelength multiplexed systems in scalability and…

Object detection has made impressive progress in recent years with the help of deep learning. However, state-of-the-art algorithms are both computation and memory intensive. Though many lightweight networks are developed for a trade-off…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Fanrong Li , Zitao Mo , Peisong Wang , Zejian Liu , Jiayun Zhang , Gang Li , Qinghao Hu , Xiangyu He , Cong Leng , Yang Zhang , Jian Cheng

Si-Photomultiplier (SiPM) has several attracting features, which can be helpful in the communication field, such as high photon detection efficiency, fast transient response, excellent timing resolution, and wide spectral range. In this…

Instrumentation and Detectors · Physics 2019-09-04 Zhenzhou Deng , Anyi Li

The next-generation ALICE 3 experiment at the High-Luminosity LHC (HL-LHC) requires detector technologies that combine fine spatial resolution, fast timing, and an extremely low material budget. This paper presents the design,…

Instrumentation and Detectors · Physics 2026-01-07 Umberto Follo

The combination of photonic integrated circuits and free-space meta-optics has the ability to unclasp technological knots that require advanced light manipulation due their conjoined ability to guide and shape electromagnetic waves. The…

Single photon detectors are indispensable tools in optics, from fundamental measurements to quantum information processing. The ability of superconducting nanowire single photon detectors to detect single photons with unprecedented…

Dielectric optical waveguides constitute the main building blocks of photonic integrated circuits (PICs). Channels with high refractive index contrast can provide very compact PIC components whereas structures with lower index exhibit less…

Optics · Physics 2023-01-31 Hamed Nikbakht , Bob van Someren , Manfred Hammer , B. Imran Akca

Nano-scale molecular communication is a viable way of exchanging information between nano-machines. In this letter, a low-complexity and non-coherent signal detection technique is proposed to mitigate the inter-symbol-interference (ISI) and…

Emerging Technologies · Computer Science 2015-08-31 Bin Li , Mengwei Sun , Siyi Wang , Weisi Guo , Chenglin Zhao

Emerging technologies that employ quantum physics offer fundamental enhancements in information processing tasks, including sensing, communications, and computing. Here, we introduce the quantum phased array, which generalizes the operating…

Quantum Physics · Physics 2024-06-14 Volkan Gurses , Samantha I. Davis , Neil Sinclair , Maria Spiropulu , Ali Hajimiri