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Giant optical nonlinearity is observed under both continuous-wave and pulsed excitation in a deterministically-coupled quantum dot-micropillar system, in a pronounced strong-coupling regime. Using absolute reflectivity measurements we…

Concurrent multiscale methods play an important role in modeling and simulating materials with defects, aiming to achieve the balance between accuracy and efficiency. Atomistic-to-continuum (a/c) coupling methods, a typical class of…

数值分析 · 数学 2025-02-27 Junfeng Lu , Hao Wang , Yangshuai Wang

Camera and lidar are important sensor modalities for robotics in general and self-driving cars in particular. The sensors provide complementary information offering an opportunity for tight sensor-fusion. Surprisingly, lidar-only methods…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Sourabh Vora , Alex H. Lang , Bassam Helou , Oscar Beijbom

Conventional multi-projector calibration requires projecting and capturing structured light patterns for each projector sequentially, causing calibration time and effort to increase linearly with the number of projectors. This scalability…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Takumi Kawano , Kohei Miura , Daisuke Iwai

Equilibrium probes have been widely used in various noisy quantum metrology schemes. However, such an equilibrium-probe-based metrology scenario severely suffers from the low-temperature-error divergence problem in the weak-coupling regime.…

量子物理 · 物理学 2025-05-28 Ze-Zhou Zhang , Hong-Gang Luo , Wei Wu

Techniques for coherent multidimensional optical spectroscopy have been developed and utilised to understand many different processes, including energy transfer in photosynthesis and many-body effects in semiconductor nanostructures.…

光学 · 物理学 2017-01-24 Jonathan Tollerud , Jeffrey Davis

Quantum Entanglement is widely regarded as one of the most prominent features of quantum mechanics and quantum information science. Although, photonic entanglement is routinely studied in many experiments nowadays, its signature has been…

量子物理 · 物理学 2015-03-13 Robert Fickler , Mario Krenn , Radek Lapkiewicz , Sven Ramelow , Anton Zeilinger

We show that a thin superconductor slab illuminated by a desired pattern of light behaves as a completely controllable two-dimensional photonic media that could be applied in a wide range of optical devices. In this case, the permittivity…

超导电性 · 物理学 2012-05-15 Hamed Kamrani , Mohammad Saeed Sharif Azadeh , Alireza Kokabi , Mehdi Fardmanesh

In recent years, significant progress has been achieved for 3D object detection on point clouds thanks to the advances in 3D data collection and deep learning techniques. Nevertheless, 3D scenes exhibit a lot of variations and are prone to…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Fatima Albreiki , Sultan Abughazal , Jean Lahoud , Rao Anwer , Hisham Cholakkal , Fahad Khan

We simulate correlation measurements of entangled photons numerically. The model employed is strictly local. In our model correlations arise from a phase, connecting the electromagnetic fields of the two photons at their separate points of…

量子物理 · 物理学 2007-05-23 W. A. Hofer

Atomic scale simulations are a key element of modern science in that they allow to understand, and even predict, complex physical or chemical phenomena on the basis of the fundamental laws of nature. Among the different existing atomic…

材料科学 · 物理学 2021-07-20 Alexandre Boulle , Alain Chartier , Aurélien Debelle , Xin Jin , Jean-Paul Crocombette

The precise control and knowledge over the atomic dynamics is central to the advancement of quantum technology. The different experimental conditions namely, atoms in a vacuum, an anti-relaxation coated and a buffer gas filled atomic cell…

原子物理 · 物理学 2022-07-21 Swarupananda Pradhan , Saptarshi Roy Chowdhury

Registering accurately point clouds from a cheap low-resolution sensor is a challenging task. Existing rigid registration methods failed to use the physical 3D uncertainty distribution of each point from a real sensor in the dynamic…

计算机视觉与模式识别 · 计算机科学 2018-08-03 Can Pu , Nanbo Li , Radim Tylecek , Robert B Fisher

On-chip chiral quantum light-matter interfaces, which support directional interactions, provide a promising platform for efficient spin-photon coupling, non-reciprocal photonic elements, and quantum logic architectures. We present full-wave…

光学 · 物理学 2021-11-05 Nils Hauff , Stephen Hughes , Hanna Le Jeannic , Peter Lodahl , Nir Rotenberg

Recent large vision-language models such as CLIP have shown remarkable out-of-distribution (OOD) detection and generalization performance. However, their zero-shot in-distribution (ID) accuracy is often limited for downstream datasets.…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Yifei Ming , Yixuan Li

Aerosol injectors applied in single-particle diffractive imaging experiments demonstrated their potential in efficiently delivering nanoparticles with high density. Continuous optimization of injector design is crucial for achieving…

Quantum metrology promises measurement precision beyond the classical limit by using suitably tailored quantum states and detection strategies. However, scaling up this advantage is experimentally challenging, due to the difficulty of…

Performance optimization associated with optical modulators requires reasonably accurate predictive models for key figures of merit. Interleaved PN-junction topology offers the maximum mode/junction overlap and is the most efficient…

A novel design for straight directional waveguide couplers and interferometers is demonstrated in glass, fabricated using femtosecond laser direct writing and operating at telecommunication wavelengths (~1550 nm). The devices consisted of…

光学 · 物理学 2026-04-15 Mohan Wang , Martin J. Booth , Patrick S. Salter

The ability to engineer both linear and non-linear coupling with a mechanical resonator is an important goal for the preparation and investigation of macroscopic mechanical quantum behavior. In this work, a measurement based scheme is…

量子物理 · 物理学 2011-12-02 M. R. Vanner