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Methods to generate photons with tailored indistinguishability are central to developing photonic quantum technologies and making fundamental tests of quantum physics. This study introduces a novel method for manipulating effective…

量子物理 · 物理学 2025-02-11 Preeti Sharma , Gaytri Arya , Bhaskar Kanseri

Reducing a set of diverse bulk-optic-based optical components to a single ultrathin and compact element that enables the same complex functionality has become an emerging research area, propelling further integration and miniaturization in…

光学 · 物理学 2019-04-15 Fei Ding , Yiting Chen , Yuanqing Yang , Sergey I. Bozhevolnyi

The exact homogenized probability density function, for a photon making a step of length $s$ has been analytically derived for a binary (isotropic-Poisson) statistical mixture with unmatched refractive indexes. The companions, exact,…

光学 · 物理学 2024-11-11 Tiziano Binzoni , Alain Mazzolo

We develop a theoretical model for a tunable coherent terahertz radiation source based on the long-lived Bose condensate of photons. In the device we propose, the original photon pumping is performed incoherently by a blackbody radiation…

量子气体 · 物理学 2025-01-03 Timofey V. Maximov , Igor V. Bondarev , Igor L. Kurbakov , Yurii E. Lozovik

We develop a theory of polarized photoluminescence of interface excitons localized at lateral heterojunctions between transition metal dichalcogenide monolayers. We show that the circular selection rules governing interband optical…

介观与纳米尺度物理 · 物理学 2026-03-26 M. V. Durnev , D. S. Smirnov

A numerical modeling of the radiation emitted from a Luminescent dye embedded in a finite one-dimensional photonic crystal is presented. The Photonic Band Structure and the Photonic Density of States are derived using classical…

光学 · 物理学 2010-12-30 J. Manzanares-Martinez , P. Castro-Garay

The integration of photonic and phononic bandgaps within a single scalable architecture promises transformative advances in optomechanical and acousto-optic devices. Here, we design and simulate a two-dimensional hexagonal lattice in…

光学 · 物理学 2025-12-18 Suhas Suresh Bharadwaj , Adarsh Ganesan

Mesoscopic superposition states of photons can be prepared in three cavities interacting with the same two-level atom. By periodically modulating the three cavity frequencies around the transition frequency of the atom with $2\pi/3$ phase…

量子物理 · 物理学 2016-06-07 Da-Wei Wang , Han Cai , Ren-Bao Liu , Marlan O. Scully

We have theoretically investigated a generation of entangled photons from biexcitons in a semiconductor film with thickness in nano-to-bulk crossover regime. In contrast to the cases of quantum dots and bulk materials, we can highly control…

其他凝聚态物理 · 物理学 2010-09-20 Motoaki Bamba , Hajime Ishihara

We demonstrate photophoretic force-based optical trapping of multiple absorbing particles in air by loosely focusing a Gaussian beam with a series of convex lenses of different focal lengths, and investigate the dependence of the number of…

光学 · 物理学 2022-06-15 Souvik Sil , Anita Pahi , Aman Anil Punse , Ayan Banerjee

Optical beams and starlight distorted by atmospheric turbulence can be corrected with adaptive optics systems to enable efficient coupling into single-mode fibers. Deformable mirrors, used to flatten the wavefront in astronomical…

Electrokinetically-driven Janus colloids, e.g., with one metallic and one dielectric hemisphere, confined between parallel walls exhibit a boundary-accumulation mechanism enabled by an effective cross-channel diffusivity which is distinct…

软凝聚态物质 · 物理学 2026-05-14 Sandeep Ramteke , Alicia Boymelgreen , Jarrod Schiffbauer

We study the radiation from charged particles crossing a cholesteric plate in the shortwave approximation when the wavelength of photons is much smaller than the pitch of the cholesteric helix whereas the escaping angle of the photon and…

加速器物理 · 物理学 2021-08-05 O. V. Bogdanov , P. O. Kazinski , P. S. Korolev , G. Yu. Lazarenko

The spatially confined evanescent microwave photonics have been proved to be highly desirable in broad practical scenarios ranging from robust information communications to efficient quantum interactions. However, the feasible applications…

光学 · 物理学 2020-10-19 Yang Long , Jie Ren , Zhiwei Guo , Haitao Jiang , Yuqian Wang , Yong Sun , Hong Chen

Multilayer stacks of twisted optical metasurfaces are considered as a prospective platform for chiral nanophotonic devices. Such structures are primarily used for the realization of circularly polarized light sources, artificial optical…

Highly nonlinear optical processes, such as multiphoton photoemission, require high intensities, typically achieved with ultrashort laser pulses and, hence, were first observed with the advent of picosecond laser technology. An alternative…

We discuss the generation of entangled photons using a nonlinear photonic crystal and beam splitter. In our method, the photonic crystal is assumed to be composed of a material with a large second-order nonlinear optical susceptibility…

量子物理 · 物理学 2022-05-23 Hiroo Azuma

We present an efficient method to control the spatial modes of entangled photons produced through SPDC process. Bi-photon beam propagation is controlled by a deformable mirror, that shapes a 404nm CW diode laser pump interacting with a…

量子物理 · 物理学 2014-08-25 M. Minozzi , S. Bonora , A. V. Sergienko , G. Vallone , P. Villoresi

We experimentally demonstrate amplitude and phase modulation of a time-energy entangled two-photon wave function. The entangled photons are produced by spontaneous parametric down-conversion, spectrally dispersed in an prism compressor,…

量子物理 · 物理学 2009-01-23 F. Zäh , M. Halder , T. Feurer

Photonic entanglement has a wide range of applications in quantum computation and communication. Here we introduce a new device: the "photonic module", which allows for the rapid, deterministic preparation of a large class of entangled…