Orthogonal quasi-phase-matched superlattice for generation of hyperentangled photons
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-03023-1
Abstract: A crystal superlattice structure featuring nonlinear layers with alternating orthogonal optic axes interleaved with orthogonal poling directions, is shown to generate high-quality hyperentangled photon pairs via orthogonal quasi-phase-matched spontaneous parametric downconversion. We demonstrate that orthogonal… read more here.
Keywords: phase; generation; phase matched; orthogonal quasi ... See more keywords
Interference effects in quantum-optical coherence tomography using spectrally engineered photon pairs
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-45088-0
Abstract: Optical-coherence tomography (OCT) is a technique that employs light in order to measure the internal structure of semitransparent, e.g. biological, samples. It is based on the interference pattern of low-coherence light. Quantum-OCT (QOCT), instead, employs… read more here.
Keywords: coherence tomography; optical coherence; interference; photon pairs ... See more keywords
Photon pairs bi-directionally emitted from a resonant metasurface.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d2nr05499j
Abstract: Metasurfaces are artificially structured surfaces able to control the properties of light at subwavelength scales. While, initially, they have been proposed as means to control classical optical fields, they are now emerging as nanoscale sources… read more here.
Keywords: photon pairs; directionally emitted; entangled photons; photon ... See more keywords
Broadband pumped polarization entangled photon-pair source in a linear beam displacement interferometer
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/1.5124416
Abstract: We experimentally demonstrate a source of polarization entangled photon-pairs based on a single periodically poled potassium titanyl phosphate crystal pumped with a broadband, free running laser diode. The crystal is placed within a linear beam-displacement… read more here.
Keywords: photon; entangled photon; linear beam; polarization entangled ... See more keywords
Edge states of photon pairs in cavity arrays with spatially modulated nonlinearity
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.053813
Abstract: We study theoretically an extended Bose-Hubbard model with the spatially modulated interaction strength, describing a one-dimensional array of tunneling-coupled nonlinear cavities. It is demonstrated that the spatial modulation of the nonlinearity induces bound two-photon edge… read more here.
Keywords: edge states; spatially modulated; photon pairs; nonlinearity ... See more keywords
Enhanced absorption microscopy with correlated photon pairs
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.012121
Abstract: By harnessing the quantum states of light for illumination, precise phase and absorption estimations can be achieved with precision beyond the standard quantum limit. Despite their significance for precision measurements, quantum states are fragile in… read more here.
Keywords: absorption; photon; microscopy; illumination ... See more keywords
Adaptive Quantum Optics with Spatially Entangled Photon Pairs.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.233601
Abstract: Light shaping facilitates the preparation and detection of optical states and underlies many applications in communications, computing, and imaging. In this Letter, we generalize light shaping to the quantum domain. We show that patterns of… read more here.
Keywords: quantum; entangled photon; adaptive quantum; optics ... See more keywords
Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.030402
Abstract: Two close parallel mirrors attract due to a small force (Casimir effect) originating from the quantum vacuum fluctuations of the electromagnetic field. These vacuum fluctuations can also induce motional forces exerted upon one mirror when… read more here.
Keywords: mechanical oscillators; exchange virtual; photon pairs; vacuum ... See more keywords
Spatially entangled photon pairs from lithium niobate nonlocal metasurfaces
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.abq4240
Abstract: Metasurfaces consisting of nanoscale structures are underpinning new physical principles for the creation and shaping of quantum states of light. Multiphoton states that are entangled in spatial or angular domains are an essential resource for… read more here.
Keywords: photon pairs; entangled photon; spatially entangled; lithium niobate ... See more keywords
An efficient, tunable, and robust source of narrow-band photon pairs at the 87Rb D1 line.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.384081
Abstract: We present an efficient and robust source of photons at the 87Rb D1-line (795 nm) with a narrow bandwidth of δ = 226(1) MHz. The source is based on non-degenerate, cavity-enhanced spontaneous parametric down-conversion in a monolithic… read more here.
Keywords: efficient tunable; photon pairs; robust source; source ... See more keywords
Time-bin entangled photon pairs from quantum dots embedded in a self-aligned cavity.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.411021
Abstract: We introduce a scalable photonic platform that enables efficient generation of entangled photon pairs from a semiconductor quantum dot. Our system, which is based on a self-aligned quantum dot- micro-cavity structure, erases the need for… read more here.
Keywords: time bin; entangled photon; self aligned; photon pairs ... See more keywords