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With the stability of integrated photonics at network nodes and the advantages of photons as flying qubits, photonic quantum information processing (PQIP) makes quantum networks increasingly scalable. However, scaling up PQIP requires the…

The aim of this proceeding is to give a basic introduction to Deformation Quantization (DQ) to physicists. We compare DQ to canonical quantization and path integral methods. It is described how certain issues such as the roles of…

General Relativity and Quantum Cosmology · Physics 2008-11-26 P. Tillman

Spontaneous parametric downconversion is the primary source to generate entangled photon pairs in quantum photonics laboratories. Depending on the experimental design, the generated photon pairs can be correlated in the frequency spectrum,…

Quantum Physics · Physics 2021-05-19 Alessio D'Errico , Felix Hufnagel , Filippo Miatto , Mohammadreza Rezaee , Ebrahim Karimi

Next-generation galaxy surveys promise unprecedented precision in testing gravity at cosmological scales. However, realising this potential requires accurately modelling the non-linear cosmic web. We address this challenge by exploring…

Cosmology and Nongalactic Astrophysics · Physics 2025-08-20 Julieth Katherine Riveros , Paola Saavedra , Hector J. Hortua , Jorge Enrique Garcia-Farieta , Ivan Olier

Optical Frequency Comb (OFC) generated by semiconductor lasers are currently widely used in the extremely timely field of high capacity optical interconnects and high precision spectroscopy. Very recently, several experimental evidences of…

Optics · Physics 2017-11-22 Paolo Bardella , Lorenzo Luigi Columbo , Mariangela Gioannini

We present theoretical studies of high-order harmonic generation (HHG) produced by non-homogeneous fields as resulting from the illumination of plasmonic nanostructures with a short laser pulse. We show that both the inhomogeneity of the…

Atomic Physics · Physics 2012-04-27 M. F. Ciappina , J. Biegert , R. Quidant , M. Lewenstein

Frequency conversion of non-classical light enables robust encoding of quantum information based upon spectral multiplexing that is particularly well-suited to integrated-optics platforms. Here we present an intrinsically deterministic…

Quantum Physics · Physics 2017-01-11 Laura J. Wright , Michal Karpinski , Christoph Soeller , Brian J. Smith

Classical emulation of a ubiquitous quantum mechanical phenomenon of double-continuum Fano (DCF) interference using metasurfaces is experimentally realized by engineering the near-field interaction between two bright and one dark plasmonic…

Materials Science · Physics 2014-09-05 Nihal Arju , Tzuhsuan Ma , Alexander Khanikaev , David Purtseladze , Gennady Shvets

Nonlinear frequency conversion is ubiquitous in laser engineering and quantum information technology. A long-standing goal in photonics is to integrate on-chip semiconductor laser sources with nonlinear optical components. Engineering…

In this paper, we introduce an optical analogy to quantum Fourier tanformation based on a pseudorandom phase ensemble. The optical analogy also brings about exponential speedup over classical Fourier tanformation. Using the analogy, we…

Quantum Physics · Physics 2016-08-16 Jian Fu , Wei Fang , Yongzheng Ye

Quantum algorithms are emerging tools in the design of functional materials due to their powerful solution space search capability. How to balance the high price of quantum computing resources and the growing computing needs has become an…

Quantum Physics · Physics 2024-05-13 Zhihao Xu , Wenjie Shang , Seongmin Kim , Alexandria Bobbitt , Eungkyu Lee , Tengfei Luo

Light-field microscopy (LFM) is a 3D microscopy technique whereby volumetric information of a sample is gained by simultaneously capturing both the position and momentum (angular) information of light illuminating a scene. Conventional LFM…

Quantum Physics · Physics 2024-03-01 Yingwen Zhang , Duncan England , Antony Orth , Ebrahim Karimi , Benjamin Sussman

The description of optical properties of subnanometer junctions is particularly challenging. Purely classical approaches fail, because the quantum nature of electrons needs to be considered. Here we report on a novel classical fully…

Mesoscale and Nanoscale Physics · Physics 2019-05-06 Tommaso Giovannini , Marta Rosa , Stefano Corni , Chiara Cappelli

Ultracold quantum gases are usually prepared in conservative traps for quantum simulation experiments. The atomic density inhomogeneity, together with the consequent position-dependent energy and time scales of cold atoms in traditional…

Quantum Gases · Physics 2026-04-14 Tongtong Ren , Yirong Wang , Xiaoyu Dai , Xiaoxu Gao , Guangren Sun , Xue Zhao , Kuiyi Gao , Zhiyue Zheng , Wei Zhang

This report presents the comprehensive implementation, evaluation, and optimization of Denoising Diffusion Probabilistic Models (DDPMs) and Denoising Diffusion Implicit Models (DDIMs), which are state-of-the-art generative models. During…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Jaineet Shah , Michael Gromis , Rickston Pinto

The recent progress in the quantum optical formulation of the process of high harmonic generation has reached a point where the successful semi-classical model shows its limitations. So far the light source which drives the process was…

Quantum Physics · Physics 2024-09-16 Philipp Stammer

We propose the implementation of a light source, which can deterministically generate a rich variety of multi-mode quantum states. The desired states are encoded in the collective population of different ground hyperfine states of an atomic…

Quantum Physics · Physics 2010-04-16 Anne E. B. Nielsen , Klaus Mølmer

The quantum optical description of high-order harmonic generation where both the electrons of the generating medium and the driving and generated light fields are described quantum mechanically has been of significant interest in the past…

Quantum Physics · Physics 2025-02-05 Christian Saugbjerg Lange , Lars Bojer Madsen

Macroscopically populated quantum superpositions pose a question to what extent macroscopic world obeys quantum mechanical laws. Recently such superpositions for light, generated by optimal quantum cloner, were demonstrated. They are of…

Quantum Physics · Physics 2012-06-20 Adam Buraczewski , Magdalena Stobińska

The scalable integration of solid-state quantum emitters into photonic nanostructures remains a central challenge for quantum photonic technologies. Here, we demonstrate a robust and streamlined integration strategy that tackles the…