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  • Spotlight Summary by Alex Krasnok

    • Polariton vortex Chern insulator [Invited]
    • In the landscape of condensed matter and photonics, topological insulators have captured the imagination of scientists for their robust edge states protected by topology. Now, Harrison et al. propose a concept...
    • Opt. Mater. Express 13(9) 2550-2562 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Sara S. Patterson

    • The Verriest Lecture: Pathways to color in the eye and brain
    • In 2007, Paul Martin co-authored a seminal review called the “Unsolved Mystery of Vision” which presented mammalian vision as a “field that is stuck”. Martin is uniquely qualified to make such a...
    • J. Opt. Soc. Am. A 40(3) V1-V10 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Michael Dickey

    • Recent advances in liquid metal photonics: technologies and applications [Invited]
    • Gallium is a liquid metal with fascinating, yet underexplored, properties that are appealing for optics. As a metal, gallium can be used for a wide variety of applications such as reflective surfaces, antennas, and...
    • Opt. Mater. Express 13(3) 699-727 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Monica Morales-Masis

    • Optimized optical/electrical/mechanical properties of ultrathin metal films for flexible transparent conductor applications: review [Invited]
    • Transparent electrodes are essential in optoelectronic devices. With the advent of new optoelectronic devices with multiple functionalities, it is increasingly important to develop transparent electrodes matching those...
    • Opt. Mater. Express 13(2) 304-347 (2023) View: Abstract | HTML | PDF

Information Acquisition, Processing, and Display

  • Spotlight Summary by Vicente Durán

    • Fiber-delivered heterodyne spectroscopy with a mid-infrared frequency comb
    • Delivering light through a long fiber to perform mid-infrared (IR) spectroscopy offers a great potential for remote sensing in medical applications and in hazardous or inaccessible environments. Recently developed...
    • Opt. Express 31(21) 34064-34073 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Tony Travouillon

    • Performance of the adaptive optics system for Laser Communications Relay Demonstration’s Ground Station 1
    • Is adaptive optics the solution to daytime optical downlink communication? This is the question that NASA is hoping to answer at their Optical Ground Stations in California and Hawaii.
        
      Adaptive...
    • Appl. Opt. 62(23) G26-G36 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Monolithically integrated 112 Gbps PAM4 optical transmitter and receiver in a 45 nm CMOS-silicon photonics process
    • Sustainable growth of data-processing bandwidth in high-performance computing requires a substantial reduction of the energy that is consumed for the transmission and detection of every single bit. High-speed optical...
    • Opt. Express 31(15) 24926-24938 (2023) View: Abstract | HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Simone Zanotto

    • Integrated microcavity optomechanics with a suspended photonic crystal mirror above a distributed Bragg reflector
    • The successful marriage between nanophotonics and micro-electromechanics has led to the blossoming research field of optomechanics, with important outlooks both in the classical and in the quantum regimes. Indeed,...
    • Opt. Express 31(19) 30212-30226 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Paul Steinvurzel

    • Low-noise supercontinuum generation in chiral all-normal dispersion photonic crystal fibers
    • Researchers at Friedrich-Alexander Universität Erlangen and Max Planck Institute show a path towards very low noise supercontinuum (SC) light sources using chiral light. SC sources provide extremely bright, spatially...
    • Opt. Lett. 48(20) 5297-5300 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Periklis Petropoulos

    • High-speed RF spectral analysis using a Rayleigh backscattering speckle spectrometer
    • A pulse propagating along a length of optical fibre generates an echo that contains its fingerprint. This fingerprint can be made sharper depending on the pulse width, whereas the fibre length determines how frequently...
    • Opt. Express 31(13) 20651-20664 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Romain Alléaume

    • Round-trip multi-band quantum access network
    • Quantum communications have now been deployed and field-tested over a large diversity of optical networks, including metropolitan and regional fiber networks, but also in the context of optical communications in space....
    • Photon. Res. 11(8) 1449-1464 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Jonas Joos

    • Insight into neodymium clusters and spectroscopic properties in CaF2 single crystals
    • In their work, Junyang Liu and coauthors study the clustering of neodymium and other lanthanide dopants in optical CaF2 crystals. Their main conclusions are based on density functional theory calculations,...
    • Opt. Mater. Express 13(8) 2288-2301 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Natasha Vukovic

    • Visible femtosecond fiber laser
    • Thanks to the relatively wide bandgap energy (3.4 eV) of gallium nitride (GaN), GaN-based technology stands out as an ideal choice for manufacturing semiconductor optical devices, including visible laser diodes. It has...
    • Opt. Lett. 48(14) 3709-3712 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Bienvenu Ndagano

    • Quantifying high-dimensional spatial entanglement with a single-photon-sensitive time-stamping camera
    • Single-photon-sensitive detector arrays are paving the way towards fast and efficient detection and certification of high-dimensional spatial entanglement. Traditionally, single-projective measurements have been used to...
    • Opt. Lett. 48(13) 3439-3442 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Jean Marcel Ngoko Djiokap

    • Comparative study of electron vortices in photoionization of molecules and atoms by counter-rotating circularly polarized laser pulses
    • Can spirals produced by interfering electron vortices reflect the initial-state orbital symmetry of atomic and aligned diatomic molecular targets with identical ionization potentials? First introduced by Ngoko Djiokap...
    • J. Opt. Soc. Am. B 40(7) 1749-1755 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Guangyuan Li

    • Self-design of arbitrary polarization-control waveplates via deep neural networks
    • Artificial intelligence algorithms enable high-performance polarization manipulation with arbitrary functionalities, which can be further combined with other dimensional manipulation of light, of the wavefront for...
    • Photon. Res. 11(5) 695-711 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • VECSEL systems for quantum information processing with trapped beryllium ions
    • Suitably designed VECSELs (vertical external cavity surface emitting lasers) bring improved laser solutions for quantum information processing with trapped beryllium ions. Lasers enable manipulating and monitoring the...
    • J. Opt. Soc. Am. B 40(4) 773-781 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Fang-Wen Sun

    • High-sensitivity optical-fiber magnetic sensor based on diamond and magnetic flux concentrators
    • Quantum sensors based on nitrogen vacancy (NV) centers in diamonds have strong electromagnetic fields, temperature and pressure detection capabilities with high precision. The recently developed fiberized diamond-based...
    • Opt. Express 31(9) 14685-14693 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Karsten Hinrichs

    • Diffraction-limited hyperspectral mid-infrared micro-ellipsometry
    • Fascinating and impressive innovations in infrared (IR) analytics have been put forth in the recent years. In this context, exceptional developments in IR laser technology such as e.g. quantum cascade lasers (QCLs),...
    • Opt. Lett. 48(9) 2293-2296 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Martin Bernier

    • All-fiber 3.4-W 2.8-µm ultra-short pulse MOPA system seeded by the soliton self-frequency shift of 2-µm pulses
    • Robust femtosecond laser sources operating in the mid-infrared promise major technological advances due to their unique properties. They are being considered for use as frequency combs in molecular spectroscopy, in...
    • Opt. Lett. 48(7) 1790-1793 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology
    • Inflatable antennas that could lower the cost of astronomical satellites are being developed and tested. In contrast with standard antennas, they are not rigid but consist of two membranes that bend under the pressure...
    • Opt. Express 30(19) 33479-33489 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Multifunctional and tunable ultra-broadband linear to circle polarization converter based on VO2-integrated material
    • Polarization converters are key elements for optical and photonic technologies. Transmissive or reflective elements that enable rotating the polarization plane of linearly-polarized light (linear-to-linear conversion)...
    • J. Opt. Soc. Am. B 40(2) 388-397 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Rodrigo A. Vicencio

    • Experimental realization of a reconfigurable Lieb photonic lattice in a coherent atomic medium
    • The fabrication or induction of reconfigurable lattices is an important step forward on lattice dynamics. The opportunity of instantaneously modifying the lattice geometry could allow to switch the dynamical properties...
    • Opt. Lett. 48(3) 803-806 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by David Novoa

    • Femtosecond long-wave-infrared generation in hydrogen-filled hollow-core fiber
    • The availability of ultrafast sources of long-wave infrared light (LWIR, wavelengths from 8 to 15 μm) has the potential to revolutionize multiple disparate fields such as molecular fingerprinting spectroscopy or...
    • J. Opt. Soc. Am. B 40(4) 796-806 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Ivano Alessandri

    • Plasmon-driven catalytic reactions in optoplasmonic sandwich hybrid structure
    • This paper shows that the photodimerization of 4-aminothiophenol (PATP) into dimercaptobenzene (DMB), a “gold standard” reaction in plasmon chemistry, can be achieved by sandwiching a PATP solution between a...
    • Appl. Opt. 62(2) 506-510 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Yuancheng Fan

    • All-dielectric terahertz metasurface for linearly-polarized multichannel transmission and superposition states of spherical and vortex waves
    • Metasurfaces, which consist of tailor-made two-dimensional arrays of resonant structures, are promising for achieving planar and compact optical devices capable of shaping optical waves. Their performance is based on...
    • Photon. Res. 11(3) 485-493 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Galan Moody

    • On-chip generation of hybrid polarization-frequency entangled biphoton states
    • Hybrid entangled states composed of multiple degrees of freedom may improve the transmission and conversion of quantum information for communications and computing. In this paper, Francesconi et al. demonstrate...
    • Photon. Res. 11(2) 270-278 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by James P. McGilligan

    • Microfabricated strontium atomic vapor cells
    • The transition from alkali atoms to alkaline earth atoms in microfabricated vapor cells offers alluring opportunities for optical metrology at the chip-scale. However, to compensate for the relatively low vapor density...
    • Opt. Lett. 48(2) 383-386 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Miguel González Herráez

    • 10-cm spatial resolution distributed acoustic sensor based on an ultra low-loss enhanced backscattering fiber
    • Enhancing the backscattering efficiency of an optical fiber over a broad wavelength range without increasing its losses is indeed a difficult - yet possible - task. Dr. Ali Masoudi et al. from the University of...
    • Opt. Continuum 1(9) 2002-2010 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Weiren Zhu

    • Optically transparent graphene-based cognitive metasurface for adaptive frequency manipulation
    • Active microwave absorbers with self-supervised adaptive frequency regulation and optical transparency are of great significance for applications such as self-adapting electromagnetic stealth and energy harvesting for...
    • Photon. Res. 11(1) 129-136 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Alexander Heidt

    • Broadband gain performance in the mid-IR using supercontinuum: 2.7 µm gain in high-purity Er3+doped tungsten tellurite glass fibers
    • Light in the mid-infrared spectral region holds many promises: molecular fingerprinting, remote sensing, eye-safe lidars or deep-tissue medical imaging are just some of the keywords that are often cited. Yet developing...
    • Appl. Opt. 61(32) 9701-9707 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Ali Hosseinnia

    • Hybrid time–frequency domain dual-probe coherent anti-Stokes Raman scattering for simultaneous temperature and pressure measurements in compressible flows via spectral fitting
    • Acquiring thermodynamic information from rapidly changing and chaotic environments is a challenging task. However, hybrid femtosecond (fs)/picosecond (ps) rotational coherent anti-Stokes Raman spectroscopy (CARS) has...
    • Appl. Opt. 62(1) 50-62 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Terahertz polarimetry with a monolithic metasurface
    • Metasurfaces and their capability to shape electromagnetic waves open the path to photonic components or devices showing enhanced characteristics compared with traditional embodiments. They may enable an increased...
    • Opt. Lett. 47(16) 4199-4202 (2022) View: Abstract | HTML | PDF

Optical Design and Instrumentation

  • Spotlight Summary by Greg Gbur

    • Partially coherent beam generation with metasurfaces
    • A Finnish collaboration has introduced and tested a new technique for generating tailored partially coherent beams using metasurfaces. In recent years, researchers have shown that beams with partial spatial coherence...
    • Photon. Res. 11(9) 1535-1541 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Periklis Petropoulos

    • High-speed RF spectral analysis using a Rayleigh backscattering speckle spectrometer
    • A pulse propagating along a length of optical fibre generates an echo that contains its fingerprint. This fingerprint can be made sharper depending on the pulse width, whereas the fibre length determines how frequently...
    • Opt. Express 31(13) 20651-20664 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Yi-Pu Wang

    • Controllable magnon-induced transparency in a ferromagnetic material via cross- and self-Kerr effects
    • In this theoretical work, Akhtar Munir and colleagues provide valuable insights into the nonlinear interactions between optical fields and magnetic modes in cavity magnonic systems. By investigating the spectral...
    • J. Opt. Soc. Am. B 40(7) 1756-1764 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Daewook Kim

    • Adaptive parabolic membrane mirrors for large deployable space telescopes
    • In this study on adaptive membrane mirror manufacturing, researchers successfully created parabolic membrane mirrors of exceptional optical quality in a test chamber, using a rotating liquid surface as mold. The...
    • Appl. Opt. 62(11) 2835-2844 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Didier Felbacq

    • Examining and explaining the “generalized laws of reflection and refraction” at metasurface gratings
    • Is there anything like a Generalized Law of Reflection and Refraction specific to metasurfaces? The idea of a Generalized Law of Reflection and Refraction, put forward by F. Capasso and coauthors has led to an enormous...
    • J. Opt. Soc. Am. A 39(8) 1352-1359 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Fang-Wen Sun

    • High-sensitivity optical-fiber magnetic sensor based on diamond and magnetic flux concentrators
    • Quantum sensors based on nitrogen vacancy (NV) centers in diamonds have strong electromagnetic fields, temperature and pressure detection capabilities with high precision. The recently developed fiberized diamond-based...
    • Opt. Express 31(9) 14685-14693 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Karsten Hinrichs

    • Diffraction-limited hyperspectral mid-infrared micro-ellipsometry
    • Fascinating and impressive innovations in infrared (IR) analytics have been put forth in the recent years. In this context, exceptional developments in IR laser technology such as e.g. quantum cascade lasers (QCLs),...
    • Opt. Lett. 48(9) 2293-2296 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Modeling and characterization of OASIS inflatable primary antenna by dual modality metrology
    • Inflatable antennas that could lower the cost of astronomical satellites are being developed and tested. In contrast with standard antennas, they are not rigid but consist of two membranes that bend under the pressure...
    • Opt. Express 30(19) 33479-33489 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Hamidreza Ramezani

    • Discrete Talbot effect in reciprocal and nonreciprocal dimer lattices
    • The Talbot effect is the classical analog of the temporal quantum revival, a process enabling to retrieve quantum states with high fidelities as needed in any robust quantum device. The Talbot effect is...
    • J. Opt. Soc. Am. B 39(12) 3283-3289 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by James P. McGilligan

    • Microfabricated strontium atomic vapor cells
    • The transition from alkali atoms to alkaline earth atoms in microfabricated vapor cells offers alluring opportunities for optical metrology at the chip-scale. However, to compensate for the relatively low vapor density...
    • Opt. Lett. 48(2) 383-386 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Oriol Arteaga

    • Wave description of geometric phase
    • The geometric phase has gained a prominent role in optical science applications and it is sometimes regarded as having an exotic character. However, its physical origin is simple and can be derived from the...
    • J. Opt. Soc. Am. A 40(2) 388-396 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Miguel González Herráez

    • 10-cm spatial resolution distributed acoustic sensor based on an ultra low-loss enhanced backscattering fiber
    • Enhancing the backscattering efficiency of an optical fiber over a broad wavelength range without increasing its losses is indeed a difficult - yet possible - task. Dr. Ali Masoudi et al. from the University of...
    • Opt. Continuum 1(9) 2002-2010 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Sebastian Deffner

    • Quantum signatures in a quadratic optomechanical heat engine with an atom in a tapered trap
    • When does a single ion engine become truly quantum? Izadyari et al. say that cooling down is not enough. In 2016, the first experimental realization of a heat engine working with a single ion was reported. This engine...
    • J. Opt. Soc. Am. B 39(12) 3247-3254 (2022) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Ultra-broadband origami absorber with large angle stability in the THz region
    • Tailored materials efficiently absorbing electromagnetic radiation across increasingly broad frequency ranges are needed for applications such as stealth or energy harvesting. To design them, one may combine approaches...
    • J. Opt. Soc. Am. B 39(10) 2603-2609 (2022) View: Abstract | HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Serge Mordon

    • Biocompatible polymer optical fiber with a strongly scattering spherical end for interstitial photodynamic therapy
    • Diffusing fibers are more effective than flat-cut fibers in delivering the therapeutic light when performing Interstitial Photodynamic Therapy (I-PDT), an approach that is aimed at selectively killing cancerous tissues...
    • Opt. Lett. 48(15) 3849-3852 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Silvio Montrésor

    • Optimizing self-interference digital holography for single-molecule localization
    • Self-interference digital holography (SIDH) has the potential to achieve imaging of biological objects over large axial ranges from two-dimensional images. Combined with single molecule localization microscopy, SIDH can...
    • Opt. Express 31(18) 29352-29367 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Brynmor Davis

    • Image scanning microscopy with a doughnut beam: signal strength and integrated intensity
    • Image scanning microscopy (ISM) aims to improve on confocal scanning microscopy by replacing the traditional detection pinhole with a detector array. A confocal pinhole offers improved image resolution and depth...
    • J. Opt. Soc. Am. A 40(8) 1612-1619 (2023) View: Abstract | HTML | PDF

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