Spatially entangled photon pairs from lithium niobate nonlocal metasurfaces

Article Chemistry, Multidisciplinary

High-Quality-Factor Silicon-on-Lithium Niobate Metasurfaces for Electro-optically Reconfigurable Wavefront Shaping

Elissa Klopfer et al.

Summary: Dynamically reconfigurable metasurfaces with high tuning efficiency and high quality factor are designed and computationally investigated. Independent control of constituent nanobars allows for full phase tunability.

NANO LETTERS (2022)

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Article Nanoscience & Nanotechnology

Tunable Metasurface Using Thin-Film Lithium Niobate in the Telecom Regime

Aharon Weiss et al.

Summary: This paper presents a new method for free-space rapid optical tunability and modulation using a planar aluminum nanodisk metasurface coated with indium tin oxide. By adjusting the resonance spectral position through the electro-optic Pockels effect, the optical reflectance of the metasurface can be modulated.

ACS PHOTONICS (2022)

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Article Physics, Multidisciplinary

Enhanced generation of angle correlated photon-pairs in nonlinear metasurfaces

Andrea Mazzanti et al.

Summary: We demonstrate that enhanced generation of photon pairs with narrow frequency spectra and sharp angular correlations can be achieved through spontaneous parametric down-conversion in metasurfaces. This is accomplished by creating meta-gratings through nano-structuring of nonlinear films of sub-wavelength thickness, supporting extended bound state in the continuum resonances with ultra-high Q-factors, at the biphoton wavelengths across a wide range of emission angles. These spectral features of photons have potential benefits for various applications, including quantum imaging.

NEW JOURNAL OF PHYSICS (2022)

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Article Optics

1D quasi-bound states in the continuum with large operation bandwidth in the ω∼k space for nonlinear optical applications

Kaili Sun et al.

Summary: A new set of quasi-bound state in the continuum (QBIC) resonances, which can be considered as 1D QBICs, is demonstrated by using a special binary grating. These QBIC resonances are continuously distributed over a broad frequency band, allowing for significantly enhanced light-matter interactions at arbitrarily chosen frequencies.

PHOTONICS RESEARCH (2022)

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Article Nanoscience & Nanotechnology

Non-local metasurfaces for spectrally decoupled wavefront manipulation and eye tracking

Jung-Hwan Song et al.

Summary: The article discusses high-Q, non-local metasurfaces with independent functions across different wavelength bands, and how this technology can be used for flat optical elements in eye tracking applications.

NATURE NANOTECHNOLOGY (2021)

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Review Optics

Integrated photonics on thin-film lithium niobate

Di Zhu et al.

Summary: Lithium niobate is a versatile material that plays a significant role in daily life, particularly in the fields of optical communications and photonics. Thin-film lithium niobate integrated photonics is currently undergoing a revolution, enabling high-performance nanophotonic components such as optical modulators and nonlinear wavelength converters.

ADVANCES IN OPTICS AND PHOTONICS (2021)

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Article Nanoscience & Nanotechnology

Steering and Encoding the Polarization of the Second Harmonic in the Visible with a Monolithic LiNbO3 Metasurface

Luca Carletti et al.

Summary: Nonlinear metasurfaces play a key role in meta-optics, allowing for scaling down nonlinear optics to sub-micrometer thicknesses. By utilizing transparent materials with high refractive index like LiNbO3, nonlinear meta-optics in the visible range can be achieved, although nanofabrication challenges still exist.

ACS PHOTONICS (2021)

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Article Optics

Nonlinear Lithium Niobate Metasurfaces for Second Harmonic Generation

Junjun Ma et al.

Summary: LN metasurfaces with controllable SHG properties have been experimentally demonstrated, showing distinct enhancements for the SHG efficiency at Mie resonances. By changing geometric parameters and resonances of metasurfaces, authors manage to selectively boost the SHG efficiency at different wavelengths, paving the way for developing novel compact nonlinear light sources with high flexibility for applications like biosensing and optical communications.

LASER & PHOTONICS REVIEWS (2021)

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Article Chemistry, Multidisciplinary

Photon Pairs from Resonant Metasurfaces

Tomas Santiago-Cruz et al.

Summary: All-dielectric optical metasurfaces are able to manipulate light in different degrees of freedom and demonstrate the first-time generation of photon pairs via spontaneous parametric-down conversion. By engineering the quantum optical metasurface, the photon-pair spectrum can be tailored in a controlled way, enhancing the rate of pair production up to 2 orders of magnitude compared to unpatterned films. These results enable flat-optics sources of entangled photons, providing a new promising platform for quantum optics experiments.

NANO LETTERS (2021)

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Article Optics

Metasurfaces for quantum photonics

Alexander S. Solntsev et al.

Summary: Progress in the field of quantum-photonics applications of metasurfaces is rapidly advancing, enabling the development of optical chips and advanced quantum tomography. With the use of metamaterials and metaphotonics, bulky optical assemblies are being replaced with thin nanostructured films, leading to innovative approaches in controlling non-classical light properties.

NATURE PHOTONICS (2021)

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Article Materials Science, Multidisciplinary

Lithium Niobate on Insulator: An Emerging Platform for Integrated Quantum Photonics

Sina Saravi et al.

Summary: Lithium niobate is one of the most suitable material platforms for integrated optical quantum circuits, with recent advancements in nanostructuring technology. The LNOI platform, with its advanced nanostructuring technology and favorable material properties, has the potential to be a strong contender for large-scale optical quantum circuits.

ADVANCED OPTICAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Efficient single-photon pair generation by spontaneous parametric down-conversion in nonlinear plasmonic metasurfaces

Boyuan Jin et al.

Summary: The study introduces a plasmonic metasurface design based on silver nanostripes and bulk lithium niobate crystal for efficient SPDC source. By combining resonances with generated frequencies, the electric field in the nonlinear media is significantly enhanced, leading to improved photon-pair generation rates.

NANOSCALE (2021)

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Article Optics

Enhanced generation of nondegenerate photon pairs in nonlinear metasurfaces

Matthew Parry et al.

Summary: By utilizing the interplay of multiple bound states in the continuum resonances in nonlinear metasurfaces, a regime of nondegenerate photon-pair generation is theoretically predicted. This can significantly enhance the photon rate and spectral brightness compared to the degenerate regime, and the entanglement of the photon pairs can be tuned by varying the pump polarization for potential applications in ultracompact quantum light sources.

ADVANCED PHOTONICS (2021)

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Article Optics

Second-harmonic generation and its nonlinear depolarization from lithium niobate thin films

Junjun Ma et al.

OPTICS LETTERS (2020)

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Article Optics

Controlling angular dispersions in optical metasurfaces

Xiyue Zhang et al.

LIGHT-SCIENCE & APPLICATIONS (2020)

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Review Physics, Multidisciplinary

Planar nonlinear metasurface optics and their applications

Tianye Huang et al.

REPORTS ON PROGRESS IN PHYSICS (2020)

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Article Chemistry, Multidisciplinary

Second-Harmonic Generation in Resonant Nonlinear Metasurfaces Based on Lithium Niobate

Anna Fedotova et al.

NANO LETTERS (2020)

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Article Optics

Idealized Einstein-Podolsky-Rosen states from non-phase-matched parametric down-conversion

C. Okoth et al.

PHYSICAL REVIEW A (2020)

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Article Optics

Spontaneous photon-pair generation from a dielectric nanoantenna

Giuseppe Marino et al.

OPTICA (2019)

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Article Chemistry, Multidisciplinary

Second Harmonic Spectroscopy of Surface Lattice Resonances

David C. Hooper et al.

NANO LETTERS (2019)

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Article Physics, Multidisciplinary

Microscale Generation of Entangled Photons without Momentum Conservation

C. Okoth et al.

PHYSICAL REVIEW LETTERS (2019)

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Review Chemistry, Multidisciplinary

Plasmonic Surface Lattice Resonances: A Review of Properties and Applications

V. G. Kravets et al.

CHEMICAL REVIEWS (2018)

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Review Optics

Recent Advances in Resonant Waveguide Gratings

Giorgio Quaranta et al.

LASER & PHOTONICS REVIEWS (2018)

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Article Physics, Multidisciplinary

Nonlocal Metasurfaces for Optical Signal Processing

Hoyeong Kwon et al.

PHYSICAL REVIEW LETTERS (2018)

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Article Nanoscience & Nanotechnology

Anapole Resonances Facilitated by High-Index Contrast between Substrate and Dielectric Nanodisk Enhance Vacuum Ultraviolet Generation

Kwang-Hyon Kim et al.

ACS PHOTONICS (2018)

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Article Materials Science, Multidisciplinary

Observation of the nonlinear Wood's anomaly on periodic arrays of nickel nanodimers

Ngoc-Minh Tran et al.

PHYSICAL REVIEW B (2018)

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Article Physics, Multidisciplinary

Nonlinear Surface Lattice Resonance in Plasmonic Nanoparticle Arrays

Lior Michaeli et al.

PHYSICAL REVIEW LETTERS (2017)

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Article Quantum Science & Technology

Cauchy-Schwarz inequality for general measurements as an entanglement criterion

Tomasz Wasak et al.

QUANTUM INFORMATION PROCESSING (2016)

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Article Optics

Surface lattice resonances in second-harmonic generation from metasurfaces

Robert Czaplicki et al.

OPTICS LETTERS (2016)

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Review Multidisciplinary Sciences

Optically resonant dielectric nanostructures

Arseniy I. Kuznetsov et al.

SCIENCE (2016)

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Review Nanoscience & Nanotechnology

Bound states in the continuum

Chia Wei Hsu et al.

NATURE REVIEWS MATERIALS (2016)

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Cauchy-Schwarz inequality and particle entanglement

T. Wasak et al.

PHYSICAL REVIEW A (2014)

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Transverse entanglement of biphotons

F. Just et al.

NEW JOURNAL OF PHYSICS (2013)

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Full-Field Quantum Correlations of Spatially Entangled Photons

V. D. Salakhutdinov et al.

PHYSICAL REVIEW LETTERS (2012)

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Violation of the Cauchy-Schwarz Inequality with Matter Waves

K. V. Kheruntsyan et al.

PHYSICAL REVIEW LETTERS (2012)

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Two-color bright squeezed vacuum

Ivan N. Agafonov et al.

PHYSICAL REVIEW A (2010)

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Ryszard Horodecki et al.

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Yanhua Shih

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS (2007)

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Transverse entanglement migration in Hilbert space

K. W. Chan et al.

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Quantum communication

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NATURE PHOTONICS (2007)

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Quantum spatial correlations in high-gain parametric down-conversion measured by means of a CCD camera

O Jedrkiewicz et al.

JOURNAL OF MODERN OPTICS (2006)

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Analysis and interpretation of high transverse entanglement in optical parametric down conversion

CK Law et al.

PHYSICAL REVIEW LETTERS (2004)

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Temporal coupled-mode theory and the presence of non-orthogonal modes in lossless multimode cavities

W Suh et al.

IEEE JOURNAL OF QUANTUM ELECTRONICS (2004)

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Quantum spiral bandwidth of entangled two-photon states

JP Torres et al.

PHYSICAL REVIEW A (2003)

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Quasiguided modes and optical properties of photonic crystal slabs

SG Tikhodeev et al.

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Analysis of guided resonances in photonic crystal slabs

SH Fan et al.

PHYSICAL REVIEW B (2002)

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Guided-mode resonant subwavelength gratings: effects of finite beams and finite gratings

JM Bendickson et al.

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION (2001)

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Entanglement of the orbital angular momentum states of photons

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Spatially entangled photon pairs from lithium niobate nonlocal metasurfaces

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