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Single photon emitters (SPEs) are often identified with a Hanbury Brown and Twiss intensity interferometer (HBTII) consisting of a 50:50 beamsplitter and two time-correlated single photon counters. For an SPE, the cross-correlation of…

Quantum Physics · Physics 2022-04-19 Darien J. Morrow , Xuedan Ma

Silicon photonic switches are widely considered as a cost-effective solution for addressing the ever-growing data traffic in datacenter networks, as they offer unique advantages such as low power consumption, low latency, small footprint…

We demonstrate that interacting spasers arranged in a 2D array of arbitrary size can be mutually synchronized allowing them to supperradiate. For arrays smaller than the free space wavelength, the total radiated power is proportional to the…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 A. V. Dorofeenko , A. A. Zyablovsky , A. P. Vinogradov , E. A. Andrianov , A. A. Pukhov , A. A. Lisyansky

This paper considers near-field multiuser communications based on sparse arrays (SAs). First, for the uniform SAs (USAs), we analyze the beam gains of channel steering vectors, which shows that increasing the antenna spacings can…

Information Theory · Computer Science 2024-06-14 Kangjian Chen , Chenhao Qi , Geoffrey Ye Li , Octavia A. Dobre

Single-photon-avalanche diode (SPAD) arrays are essential tools in biophotonics, optical ranging and sensing and quantum optics. However, their small number of pixels, low quantum efficiency and small fill factor have so far hindered their…

Quantum Physics · Physics 2021-04-21 Hugo Defienne , Jiuxuan Zhao , Edoardo Charbon , Daniele Faccio

We demonstrate sub-shot-noise photon-number correlations in a (temporal) multimode mesoscopic ($\sim 10^3$ detected photons) twin-beam produced by ps-pulsed spontaneous non-degenerate parametric downconversion. We have separately detected…

Quantum Physics · Physics 2009-11-13 Maria Bondani , Alessia Allevi , Guido Zambra , Matteo G. A. Paris , Alessandra Andreoni

Single-photon detectors based on avalanche photodiodes (SPAD) are key elements of many modern highly sensitive optical systems. One of the bottlenecks of such detectors is a afterpulsing effect which limits a detection rate and requires an…

Quantum Physics · Physics 2018-05-23 M. A. Smirnov , N. S. Perminov , R. R. Nigmatullin , A. A. Talipov , S. A. Moiseev

Pressure sensors are popular in a large variety of industries. For some applications, it is critical for these sensors to come in a flexible form factor. With the development of new synthetic polymers and novel fabrication techniques,…

Signal Processing · Electrical Eng. & Systems 2023-07-06 Mohee Datta Gupta

It is shown that both the visibility ${\cal V} = 1/2$ predicted for two-photon interference experiments with two independent sources\textcolor{black}{, like the Hanbury Brown-Twiss experiment,} and the visibility ${\cal V} = 1$ predicted…

Quantum Physics · Physics 2013-12-24 K. Michielsen , F. Jin , H. De Raedt

We study Hanbury Brown-Twiss spatial intensity correlations in femtosecond laser-fabricated photonic Su-Schrieffer-Heeger lattices using coherent input states with tunable phases. By mapping intensity correlations to the two-body quantum…

Accurate characterization using static light scattering (SLS) and dynamic light scattering (DLS) methods mandates the measurement and analysis of singly-scattered light. In turbid samples, the suppression of multiple scattering is therefore…

Soft Condensed Matter · Physics 2012-09-18 Ian Block , Frank Scheffold

An investigation of the role of the proximity effect in current cross correlations in multiterminal, channel-mixing, normal-superconducting systems is presented. The proposed experiment is an electrical analog of the optical Hanbury Brown…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. Buttiker , P. Samuelsson

We have developed a fore-optics module that converts the SHARC-II camera at the Caltech Submillimeter Observatory into a sensitive imaging polarimeter at wavelengths of 350 and 450 microns. We refer to this module as "SHARP". SHARP splits…

Astrophysics · Physics 2015-05-13 H. Li , C. D. Dowell , L. Kirby , G. Novak , J. E. Vaillancourt

Two-photon interference of multimode two-photon pairs produced by an optical parametric oscillator has been observed for the first time with an unbalanced interferometer. The time correlation between the multimode two photons has a…

Quantum Physics · Physics 2007-05-23 Hayato Goto , Haibo Wang , Tomoyuki Horikiri , Yasuo Yanagihara , Takayoshi Kobayashi

When there are a large number of antennas in massive MIMO systems, the transmitted wideband signal will be sensitive to the physical propagation delay of electromagnetic waves across the large array aperture, which is called the…

Information Theory · Computer Science 2018-07-04 Bolei Wang , Feifei Gao , Shi Jin , Hai Lin , Geoffrey Ye Li

Photonic integrated circuits have emerged as a scalable platform for optical computing, communication, and quantum technologies, where high-fidelity optical processing is essential. However, as photonic systems scale in complexity,…

Quantum correlation microscopy is an emerging technique for improving optical resolution. By taking advantage of the quantum statistics from single-photon fluorophores, more information about the emitters (including number and location) is…

Optics · Physics 2025-05-19 Jaret J. Vasquez-Lozano , Qiang Sun , Shuo Li , Andrew D. Greentree

Distributed acoustic sensing (DAS) is a relatively new technology for recording stress wave propagation, with promising applications in both engineering and geophysics. DAS's ability to simultaneously collect high spatial resolution data…

Geophysics · Physics 2022-10-27 Michael B. S. Yust , Brady R. Cox , Joseph P. Vantassel , Peter G. Hubbard

The ability to entangle distant quantum nodes is essential for the construction of quantum networks and for quantum information processing. For solid-state quantum emitters used as qubits, it can be achieved by photon interference. When the…

Quantum Physics · Physics 2019-10-23 Herbert F Fotso

Entangled photon pairs are predicted to linearize and increase the efficiency of two-photon absorption, allowing continuous wave laser diodes to drive ultrafast time-resolved spectroscopy and nonlinear processes. Despite a range of…

Quantum Physics · Physics 2022-05-31 Bryce P. Hickam , Manni He , Nathan Harper , Szilard Szoke , Scott Cushing