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  • Spotlight Summary by Aleksei Zheltikov

    • Control of the filament dynamics of 10 µm pulses via designer pulse trains
    • Laser filamentation is one of the "nonlinear magic" effects that show up as part of complex nonlinear dynamics observed for an ultrashort powerful electromagnetic field waveform propagating in a gas, liquid, or solid...
    • J. Opt. Soc. Am. B 36(10) G33-G39 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Yvan Pointurier

    • Low-margin optical networking at cloud scale [Invited]
    • This paper, from a major webscale provider, describes how the Microsoft optical network is operated at scale with low margin. The paper does a good job of motivating the data-center-interconnect (DCI) and long-haul...
    • J. Opt. Commun. Netw. 11(10) C94-C108 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by John Ballato

    • Broadband mid-IR chalcogenide fiber couplers
    • We have a tendency today to get caught up in things that are shiny, new, and exotic. It's hard to open a technology magazine without seeing a story about graphene, or artificial intelligence, or quantum...
    • Appl. Opt. 58(26) 7222-7226 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Bharathwaj Narasimhan

    • Expansive scope of aplanatic concentrators and collimators
    • Aplanatic systems are seen primarily as imaging optical systems which are free from spherical aberration and coma, and which can be viewed as an optical imaging component that pushes the imaging beyond a point source...
    • Appl. Opt. 58(22) F14-F20 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Yvan Pointurier

    • Practical considerations for near-zero margin network design and deployment [Invited]
    • Optical networks are typically designed with several types of margins, each of which impacts the trade-off between network cost and network availability (e.g., robustness to unforeseen events). This paper presents a...
    • J. Opt. Commun. Netw. 11(9) C25-C34 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Brynmor Davis

    • Advances in the fabrication of disordered transverse Anderson localizing optical fibers [Invited]
    • This article gives an entry point into an intriguing new research area in optical waveguides—transverse Anderson localizing (TAL) optical fibers. TAL fibers promise the high capacity of traditional multi-mode...
    • Opt. Mater. Express 9(7) 2769-2774 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Christophe Caloz

    • Hidden time-reversal symmetry in dissipative reciprocal systems
    • Time Reversal (TR) symmetry is widely regarded as equivalent to reciprocity. However, the two concepts are strictly distinct: a simple lossy system is TR asymmetric while being reciprocal! Given the fact that all the...
    • Opt. Express 27(10) 14328-14337 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Pierre-Alexandre Blanche

    • Pancharatnam–Berry optical elements for head-up and near-eye displays [Invited]
    • In this invited article, Tao Zhan et al. review the status of liquid crystal diffractive elements and their application as optical combiners. Because of the use of the liquid crystal, these diffractive elements present...
    • J. Opt. Soc. Am. B 36(5) D52-D65 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Jane M. Simmons

    • Towards Immersive Tactile Internet Experiences: Low-Latency FiWi Enhanced Mobile Networks With Edge Intelligence [Invited]
    • Much of the research on latency in edge optical networks is focused on transport and the underlying infrastructure. In contrast, this paper is a detailed discourse of a burgeoning application that requires low-latency...
    • J. Opt. Commun. Netw. 11(4) B10-B25 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Byoungho Lee

    • Progress in virtual reality and augmented reality based on holographic display
    • This paper provides an opportunity to learn about the recent optical progress and remaining challenges in holographic displays. In this article, the history of development in virtual reality and augmented reality is...
    • Appl. Opt. 58(5) A74-A81 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Haifeng Li

    • Reciprocal 360-deg 3D light-field image acquisition and display system [Invited]
    • Light-field imaging is a rapidly developing technology because of its potential ability of recording and displaying true 3D scenes. By recording and displaying both the spatial and the angular distribution of the light...
    • J. Opt. Soc. Am. A 36(2) A77-A87 (2019) View: Abstract | HTML | PDF

Information Acquisition, Processing, and Display

  • Spotlight Summary by David Paganin

    • Intensity-only inverse scattering with MUSIC
    • Kac's famous question, of how one might hear the shape of a drum, has an optical analog that is addressed in the present paper. Authors Kim and Tsogka develop and implement a means to see the shapes and locations of...
    • J. Opt. Soc. Am. A 36(11) 1829-1837 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Saeed Mahmoudpour

    • Back-of-the-envelope image quality estimation using the national image interpretability rating scale
    • Image quality (IQ) prediction is a critical task during the design of an optical imaging system to ensure satisfying the quality requirements of customers. A generic IQ equation (GIQE) has been widely used for this...
    • Appl. Opt. 58(24) 6586-6590 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Dennis J. Lee

    • High-resolution reconstruction of shortwave infrared polarimetric images using the intensity information of visible images
    • In this paper, the authors improve the resolution of shortwave infrared (SWIR) polarimetric images using visible images. SWIR sensors typically have larger pixels than their visible counterparts, which limits the...
    • Appl. Opt. 58(18) 4866-4870 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Dennis K. Killinger

    • Extinction imagers for measurements of atmospheric beam transmittance
    • The authors have for the first time to their knowledge developed a new Extinction Imager (EI) system that can measure from a single end the extinction and transmission of the atmosphere in all 360 degree directions...
    • Appl. Opt. 58(20) 5486-5495 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by David Paganin

    • Rigorous multi-slice wave optical simulation of x-ray propagation in inhomogeneous space
    • The multi-slice method has taken a major leap forward with this new paper by Munro. Multi-slice theory was originally developed in the context of electron optics, by Cowley and Moodie, in the 1950s. It has proven to be...
    • J. Opt. Soc. Am. A 36(7) 1197-1208 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Broadband static Fourier transform mid-infrared spectrometer
    • Fourier transform spectrometers are essential for probing the infrared properties of solids, liquids, and gases, in particular their vibrational absorption bands that provide a fingerprint of their composition. The...
    • Appl. Opt. 58(13) 3393-3400 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Simone Lolli

    • Retrieval of volcanic and man-made stratospheric aerosols from orbital polarimetric measurements
    • Life fully developed on Earth rather than on the Moon, despite being almost at the same distance from the Sun. One reason for this is the precious gaseous envelope called the atmosphere, which is capable of regulating...
    • Opt. Express 27(4) A158-A170 (2019) View: Abstract | HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Andy Harvey

    • Easy-to-build Wollaston-like polarization splitter with adjustable beam deviation and tunable chromatic dispersion
    • Two hundred years after its invention, the Wollaston polarizing beamsplitter has a new and enticing competitor. The key feature of the Wollaston is the small symmetrical splitting angle, which enables, for example,...
    • Opt. Express 27(20) 29232-29240 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Filippo Miatto

    • Compact polarization-entangled photon-pair source based on a dual-periodically-poled Ti:LiNbO3 waveguide
    • The biggest advantage of quantum technology is probably the fact that it has access to quantum entanglement. Therefore, reliable and copious sources of entangled photons are a crucial ingredient of the photonic hardware...
    • Opt. Lett. 44(22) 5598-5601 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Adam Summers

    • Wavelength scaling laws for high-order harmonic yield from atoms driven by mid- and long-wave infrared laser fields
    • High-order harmonic generation (HHG) is an extreme non-linear optical process in which ultrafast laser pulses are used to produce bursts of coherent radiation with photon energies reaching the soft x-ray region....
    • J. Opt. Soc. Am. B 36(11) 3236-3245 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Use of monocrystalline gold flakes for gap plasmon-based metasurfaces operating in the visible
    • Perfect metal crystals are needed to bring plasmonics toward its limits. Surface plasmons enable appealing optical effects, one of them being a strong scattering of light with controlled amplitude and phase. This...
    • Opt. Mater. Express 9(11) 4209-4217 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Roarke Horstmeyer

    • Nonlinear optical memory effect
    • Wouldn’t it be great if we had the ability to directly visualize what was going on deep inside of our bodies at cellular resolution? While there has been a huge amount of research and development surrounding this...
    • Opt. Lett. 44(19) 4841-4844 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Ilya Shadrivov

    • Tunable and broadband coherent perfect absorption by ultrathin black phosphorus metasurfaces
    • Atomically-thin materials have limited interaction with electromagnetic radiation. By utilizing clever structuring, however, physicists from the USA proposed that such thin materials can absorb nearly 100% of radiation...
    • J. Opt. Soc. Am. B 36(11) 2962-2971 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Bio-inspired materials as interfacial layers for high performance perovskite photodetectors
    • Achieving an optimal performance from a perovskite photodetector requires its internal interfaces to be suitably engineered. In this type of photodetector, a perovskite thin film absorbs the incident photons and...
    • Opt. Mater. Express 9(10) 3968-3976 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Peter J. Mosley

    • Quantum optical frequency up-conversion for polarisation entangled qubits: towards interconnected quantum information devices
    • Large-scale quantum networks have the potential to revolutionize computation and information transfer. The frequency conversion of single photons has crucial roles to play in forming hybrid light-matter networks,...
    • Opt. Express 27(18) 25603-25610 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Compact and high-speed Stokes polarimeter using three-way polarization-preserving beam splitters
    • Measuring the polarization of optical beams, which is fully characterized by their four–parameter Stokes vector, is needed for applications in several areas such as biology, material characterization, or...
    • Appl. Opt. 58(21) 5644-5649 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Kris T. Kaczmarek

    • Electromagnetically induced transparency with a single frequency comb mode probe
    • Here, the authors make an important step towards bridging the gap between ultrafast optics and atomic physics. The optical frequency comb (OFC), a Nobel prize-winning technique from ultrafast science, has traditionally...
    • J. Opt. Soc. Am. B 36(7) 1758-1764 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by David F. Philips and Ronald L. Walsworth

    • 30 GHz electro-optic frequency comb spanning 300 THz in the near infrared and visible
    • An electro-optically (EO) modulated CW laser is at the heart of a new 30 GHz line-spacing, 300 THz bandwidth, laser frequency comb with diverse applications, including astrophysical spectrograph calibration. Laser...
    • Opt. Lett. 44(11) 2673-2676 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Plasmon antenna array “patchwork” lasers — towards low etendue, speckle free light sources
    • Lasers are double-edged swords when used as illumination sources in projection devices. They offer a superior brightness and a reduced maintenance compared with other sources. However, the image quality they enable is...
    • OSA Continuum 2(6) 1982-1997 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Christoph R. Englert

    • Measurement of atmospheric neutral wind and temperature from Fabry–Perot interferometer data using piloted deconvolution
    • Getting the drift is important. Small instrument drifts, that is, when measuring wavelength differences on the order of one part in one hundred million, to determine upper atmospheric winds from Doppler shifts of...
    • Appl. Opt. 58(14) 3685-3695 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Richard Crocombe

    • Standardized spectral and radiometric calibration of consumer cameras
    • Smartphones are attractive instruments for low-cost spectroscopy because they incorporate at least one megapixel image sensor and are embedded in a high-performance computing device, with connectivity, a familiar user...
    • Opt. Express 27(14) 19075-19101 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Andrea Cusano

    • Label-free cocaine aptasensor based on a long-period fiber grating
    • Detection of very low amounts of illicit drugs such as cocaine in clinical fluids such as serum continues to receive considerable attention because of the instantaneous and adverse effects of cocaine overdose on human...
    • Opt. Lett. 44(10) 2482-2485 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Maurizio De Rosa

    • Pulses from a mid-infrared quantum cascade laser frequency comb using an external compressor
    • The observation of stable comb regimes does not always correspond to a train of regular pulses in the temporal domain. In particular, for quantum cascade lasers operating in the mid-infrared, the intrinsically short...
    • J. Opt. Soc. Am. B 36(6) 1676-1683 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Renzo Shamey

    • Optical engineering of polymer materials and composites for simultaneous color and thermal management
    • A field of research that has gained a significant amount of attention in recent years involves the development of sustainable products with tailored optical, mechanical, and thermal properties. Material degradation in...
    • Opt. Mater. Express 9(5) 1990-2005 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by John Ballato

    • 3D-printing of arsenic sulfide chalcogenide glasses
    • Baudet and colleagues from Laval University present the first printing of chalcogenide glass structures using 3D additive manufacturing techniques, opening the door to quicker production of more complex infrared (IR)...
    • Opt. Mater. Express 9(5) 2307-2317 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Dae Wook Kim

    • System design of a single-shot reconfigurable null test using a spatial light modulator for freeform metrology
    • Freeform optics allow higher degrees of freedom in optical design-space, enabling greatly enhanced imaging performance within compact and ergonomic form factors such as AR (Augmented Reality) glasses and wide...
    • Opt. Lett. 44(8) 2000-2003 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Fritz Riehle

    • Optical phase-locking of two extended-cavity diode lasers by serrodyne modulation
    • Oscillators in the optical frequency domain can produce pure sinusoidal oscillations that are superior by orders of magnitude to oscillators in any other spectral range with respect to their phase stability. To make the...
    • Appl. Opt. 58(10) 2481-2484 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Konstantinos Falaggis

    • Infinite deflectometry enabling 2π-steradian measurement range
    • Metrology of complex-shaped surfaces such as freeform optics is tricky. Techniques such as interferometry require an optical null and suffer from retrace errors. Deflectometry, on the other hand, does not have these...
    • Opt. Express 27(5) 7602-7615 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Heat-induced perfect light absorption in thin-film metasurfaces for structural coloring [Invited]
    • Materials with a tailored color are important not only for aesthetic purposes but also for a variety of devices such as optical switches, displays, or camouflage. These applications also often require the color to be...
    • Opt. Mater. Express 9(3) 1386-1393 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Erik Kerstel

    • Miniaturized ring-down spectrometer for CubeSat-based planetary science
    • This paper describes the development of a robust and sensitive spectrometer based on the long path-length absorption technique of cavity ring-down spectroscopy (CRDS). The prototype demonstrated a sensitivity...
    • Appl. Opt. 58(8) 1941-1949 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Miro Erkintalo

    • Coherent two-octave-spanning supercontinuum generation in lithium-niobate waveguides
    • Photonic integrated waveguides have emerged over the last decade as an attractive new platform for nonlinear optics. Their high optical confinement and engineerable dispersion characteristics in particular have enabled...
    • Opt. Lett. 44(5) 1222-1225 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Francesco Morichetti

    • Low-power optical beam steering by microelectromechanical waveguide gratings
    • Steering the propagation direction of an electromagnetic wave is a very old concept, but now more than ever it has become a hot topic. Beam steering (and forming) is at the core of many upcoming technologies, such as...
    • Opt. Lett. 44(4) 855-858 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Dennis J. Lee

    • Channeled compressive imaging spectropolarimeter
    • This paper presents a novel imaging spectropolarimeter that acquires the spatial, spectral, and polarization information of a scene without scanning in the spatial or spectral domains. Current approaches include...
    • Opt. Express 27(3) 2197-2211 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Richard Bowman

    • Spatial mode detection by frequency upconversion
    • As we aim for ever-higher bit rates in optical communications, the ability to detect the spatial state of light is becoming increasingly important. Often this is done using linear optics, for example phase or intensity...
    • Opt. Lett. 44(3) 586-589 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Micro-tags for art: covert visible and infrared images using gap plasmons in native aluminum oxide
    • Imprinted micro-tags hidden in a painting, card, or banknote and showing different motifs when inspected with visible or near-infrared light are appealing for anticounterfeiting applications. This is because the...
    • Opt. Mater. Express 9(2) 788-801 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Ilya Shadrivov

    • Achieving full-color generation with polarization-tunable perfect light absorption
    • People have been making paints for thousands of years, but now nanotechnology deliveres a novel approach for creating full-color images by printing nanopatterns out of aluminium. Researchers from the U.S. and China...
    • Opt. Mater. Express 9(2) 779-787 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Toan Trong Tran

    • Excitons in hexagonal boron nitride single-layer: a new platform for polaritonics in the ultraviolet
    • Hexagonal boron nitride: a flatland that holds the future of photonics

      Unlike graphene, single sheets of atomically-smooth hexagonal boron nitride have emerged as an ideal insulator in the realm of flatlands,...
    • J. Opt. Soc. Am. B 36(3) 674-683 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Andrea Cusano

    • High-accuracy transient response fiber optic seismic accelerometer using a shock-absorbing ring as a mechanical antiresonator
    • Fiber optic seismic accelerometers are considered ideal candidates to retrieve so-called vertical seismic profiling data in smart oilfield applications, providing the key assets to enable the development of efficient...
    • Opt. Lett. 44(2) 183-186 (2019) View: Abstract | HTML | PDF

  • Spotlight Summary by Andrey Kuzmin

    • Low-cost Gaussian beam profiling with circular irises and apertures
    • Laser beam quality is a key parameter for reliable operation of most laser-based devices. In the laser community, the widely accepted way of measuring parameters of the TEM00 mode of a Gaussian beam is the...
    • Appl. Opt. 58(4) 1048-1056 (2019) View: Abstract | HTML | PDF

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Recent Comments

  1. Demonstrating Arago–Fresnel laws with Bessel beams from vectorial axicons [1]
  2. Tandem dual-functioning multiple-quantum-well diodes for a self-powered light source [1]
  3. High-performance modified uni-traveling carrier photodiode integrated on a thin-film lithium niobate platform [1]