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  • Spotlight Summary by Katsuaki Tanabe

    • Sub-nanosecond free carrier recombination in an indirectly excited quantum-well heterostructure
    • Multiple quantum well structures (MQWs) are appealing for optoelectronic applications such as light sources. Aiming at the development of novel and efficient devices, it is important to address the sub-nanosecond...
    • J. Opt. Soc. Am. B 41(1) 127-133 (2024) View: HTML | PDF

Information Acquisition, Processing, Display and Perception

  • Spotlight Summary by Gemma Piquero

    • Paley–Wiener partially coherent sources
    • The Fourier transform is one of the most powerful and known tools in many fields of physics and engineering. It is widely used in optics as well, in particular, the theory of optical coherence has often taken advantage...
    • Opt. Lett. 50(1) 221-224 (2025) View: HTML | PDF

  • Spotlight Summary by David Haefner

    • Radiometry and contrast-to-noise ratio for continuous-wave and laser range-gated active imaging systems
    • Active imaging consists in illuminating an object using a specific light source and then, in collecting the light scattered by this object, forms its image using an optical detection device. Such an approach is prone to...
    • Appl. Opt. 62(35) 9317-9325 (2023) View: HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Oto Brzobohaty

    • Stabilizing nanoparticles in the intensity minimum: feedback levitation on an inverted potential
    • Balancing on Light: Stabilizing Nanoparticle at Inverted Optical Potential with Feedback Control

      This paper demonstrates a new method for stabilising nanoparticles at the tip of an inverted optical potential, a...
    • Opt. Express 32(25) 45133-45141 (2024) View: HTML | PDF

  • Spotlight Summary by Clara Saraceno

    • Scaling narrowband THz generation to large apertures in LiNbO3 and KTP
    • Scaling THz sources of radiation to higher energies is an important goal for THz science. In particular, the prospects of mJ-class energy narrowband, multi-cycle sources via difference frequency generation have gained...
    • Opt. Express 32(19) 33875-33893 (2024) View: HTML | PDF

Optical Design and Instrumentation

  • Spotlight Summary by Oto Brzobohaty

    • Stabilizing nanoparticles in the intensity minimum: feedback levitation on an inverted potential
    • Balancing on Light: Stabilizing Nanoparticle at Inverted Optical Potential with Feedback Control

      This paper demonstrates a new method for stabilising nanoparticles at the tip of an inverted optical potential, a...
    • Opt. Express 32(25) 45133-45141 (2024) View: HTML | PDF

  • Spotlight Summary by Johann Toudert

    • Monolithic silicon microlens arrays for far-infrared astrophysics
    • Studying astrophysics phenomena, such as the formation of stars, the growth of black holes, or revealing fundamental properties of planet-forming disks, requires space telescopes featuring spectroscopy and imaging...
    • Appl. Opt. 63(6) 1481-1487 (2024) View: HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Shakil Rehman

    • Addressable scanning multifocal structured illumination microscopy using acousto-optic deflectors
    • Super-resolution optical microscopy has established itself for visualizing small details down to the nanometer scale in biological specimens. Among various methods to achieve super-resolution, structured illumination...
    • Opt. Lett. 49(21) 6193-6196 (2024) View: HTML | PDF

Optoelectronics

  • Spotlight Summary by Dongbo Wang

    • Mid-infrared arrayed waveguide gratings using a quantum cascade laser gain medium as core material
    • Mid-infrared integrated photonics has garnered significant interests due to its wide-ranging applications, including on-chip sensors, chemical monitoring, medical diagnostics, and spectroscopy. Quantum cascade materials...
    • Appl. Opt. 63(33) 8548-8554 (2024) View: HTML | PDF

  • Spotlight Summary by María Bernechea

    • Manipulating exciton confinement for stable and efficient flexible quantum dot light-emitting diodes
    • Solutions from the quantum world to develop efficient and stable flexible LEDs

      Light emitting diodes (LEDs) are massively used as energy-efficient, long lifetime, and robust illumination systems. Moreover, they...
    • Photon. Res. 12(9) 1927-1936 (2024) View: HTML | PDF

Quantum

  • Spotlight Summary by Dongbo Wang

    • Mid-infrared arrayed waveguide gratings using a quantum cascade laser gain medium as core material
    • Mid-infrared integrated photonics has garnered significant interests due to its wide-ranging applications, including on-chip sensors, chemical monitoring, medical diagnostics, and spectroscopy. Quantum cascade materials...
    • Appl. Opt. 63(33) 8548-8554 (2024) View: HTML | PDF

  • Spotlight Summary by María Bernechea

    • Manipulating exciton confinement for stable and efficient flexible quantum dot light-emitting diodes
    • Solutions from the quantum world to develop efficient and stable flexible LEDs

      Light emitting diodes (LEDs) are massively used as energy-efficient, long lifetime, and robust illumination systems. Moreover, they...
    • Photon. Res. 12(9) 1927-1936 (2024) View: HTML | PDF

Sensing

  • Spotlight Summary by Oto Brzobohaty

    • Stabilizing nanoparticles in the intensity minimum: feedback levitation on an inverted potential
    • Balancing on Light: Stabilizing Nanoparticle at Inverted Optical Potential with Feedback Control

      This paper demonstrates a new method for stabilising nanoparticles at the tip of an inverted optical potential, a...
    • Opt. Express 32(25) 45133-45141 (2024) View: HTML | PDF

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