An Editors' Pick via #OPG_OL: Mid-infrared continua via spectral broadening and difference-frequency generation in a nanophotonic lithium niobate waveguide https://bit.ly/3NQZMxi #Supercontinuum #ThinFilmLithiumNiobate💡⚛️

An Editors' Pick via #OPG_OL: Physics-guided in-line holographic reconstruction via complex-valued multi-scale wavelet decomposition and cross-frequency gated fusion https://bit.ly/4tki7BF #DigitalHolography #WaveletTransforms💡⚛️

Volume 51 Issue 7 of #OPG_OL is now live: https://bit.ly/41FYet3

The featured imaged displays a photoacoustic remote sensing image of a butterfly wing.

See details at Tang et al.: https://bit.ly/4cjrqfx

An Editors' Pick via #OPG_OL: Off-axis cavity-enhanced dual-comb absorption spectroscopy https://bit.ly/47QGjU0 #OpticalCavity #FrequencyCombs💡⚛️

Via #OPG_OL: Curved-shape topological photonic crystal edge-state nanolasers in the telecom C-band https://bit.ly/4lJHFpi #PhotonicCrystals #LightSources💡⚛️

An Editors' Pick via #OPG_OL: Learning highly oscillatory optical fields with Fourier feature networks https://bit.ly/4t4if8k #OpticalFields #NeuralNetworks @WitsUniversity💡⚛️

An Editors' Pick via #OPG_OL: Mapping nonlinear mode interactions in coupled Kerr resonators https://bit.ly/3Pqjccz #CoupledResonators #Microcavities💡⚛️

An Editors' Pick via #OPG_OL: Single-shot picosecond pump coherent Rayleigh scattering thermometry https://bit.ly/3NnTFAj #NanosecondPulses #RayleighScattering @sandialabs.bsky.social 💡⚛️

An Editors' Pick via #OPG_OL: Reel-to-reel femtosecond-laser inscription cladding scattering-enhanced fiber for laser linewidth narrowing https://bit.ly/4lBzzPD #DistributedFeedbackLasers #FiberBraggGratings💡⚛️

An Editors' Pick via #OPG_OL: Heterogeneously integrated single-mode III–V-on-TFLN lasers enabled by narrowband Bragg gratings https://bit.ly/4sBMAe7 #BraggReflectors #LithiumNiobateWaveguides

Volume 51 Issue 6 of #OPG_OL is now live: https://bit.ly/46TugoI

The featured schematic illustrates multi-degree-of-freedom radially self-accelerating beams under angular velocity control.

See details at Ji et al.: https://bit.ly/4rsTAco

Via #OPG_OL: Spatiotemporally controlled illumination strategy for event-based imaging velocimetry https://bit.ly/47pOKFD #Velocimetry #Illumination💡⚛️

Via #OPG_OL: Curvature sensor enabled by fiber ring microwave photonic filter https://bit.ly/411zzPf #SpaceDivisionMultiplexing #CurvatureSensors💡⚛️

An Editors' Pick via #OPG_OL: Multi-NA metalens array for compact high-NA microscopy https://bit.ly/4snLO4o #LensDesign #BiomedicalImaging @umich.edu💡⚛️

Via #OPG_OL: Dual-channel single-spectrometer chromatic confocal coherence sensing to mitigate bandwidth compression in film thickness and refractive-index measurement https://bit.ly/4smAqFQ #IndexMeasurements #Resolution💡⚛️

Via #OPG_OL: Mid-infrared entanglement in 220 nm silicon https://bit.ly/4rK6C6l #SIliconPhotonics #QuantumTechnology @bristoluni.bsky.social💡⚛️

Volume 51 Issue 5 of #OPG_OL is now live: https://bit.ly/3MNDQma

The featured photograph highlights an ex vivo porcine eye fixed in the custom fixture

See details at Dong et al.: https://bit.ly/4skRuwi

Via #OPG_OL: PRISM: a peak region identification and signature mapping method based on laser-induced spectroscopy-acoustics fusion for metal corrosion discrimination https://bit.ly/4l22vQE #LaserInducedBreakdwon #MachineLearning💡⚛️

An Editors' Pick via #OPG_OL: Compact on-chip spectrometer with high spectral channel density using cascaded filters https://bit.ly/4rDYR1R #WaveguideGratings #Spectrometers💡⚛️

An Editors' Pick via #OPG_OL: Magnetic field direction detection using electromagnetically induced transparency with a vector vortex beam https://bit.ly/4qVdexw💡⚛️

An Editors' Pick via #OPG_OL: How sensitive is the reduced scattering coefficient to changes in specific micro-scale biophysical properties of tissue scatterers? https://bit.ly/4rj3jCN #TurbidMedia #Anisotropy @universityofdayton.bsky.social 💡⚛️

An Editors' Pick via #OPG_OL: Multi-parameter, kHz rate spectrally resolved NO PLIF in a supersonic jet https://bit.ly/4aDIPxu #LaserDiagnostics #RingLasers💡⚛️

Volume 51 Issue 4 of #OPG_OL is now live: https://bit.ly/4axTBW2

The featured schematic illustrates optical vortex rosette induction in a liquid crystal light valve with a donut-shaped intensity profile in the incident light beam.

See Clerc et al.: https://bit.ly/4riTt40

An Editors' Pick via #OPG_OL: An exponential curved crystal: design and performance for high-resolution X-ray spectroscopy https://bit.ly/4aUfG2p #XRaySpectroscopy #HighResolution 💡⚛️

Via #OPG_OL: Topological phase singularities enabled by hybrid polaritons for robust ultra-sensitive sensing https://bit.ly/4ck4E7F #PhaseShift #SurfacePlasmonPolaritons💡⚛️

Via #OPG_OL: A 2 μm single-mode laser based on a femtosecond-laser-modified fluoride microsphere resonator https://bit.ly/3O0nLd8 #RefractiveIndex #SingleModeLasers💡⚛️

On this #WelcomeNewEditorsWednesday, we'd like to welcome our incoming #OPG_OL Topical Editors John Fredy Barrera Ramírez, Universidad de Antioquia and Marc Guillon, Université Paris Cité. Thank you for supporting @OpticaPubsGroup and in particular Optics Letters!

Via #OPG_OL: Bridging the gap between ultrafast optics and resonant photonics in an omni-resonant Fabry–Pérot cavity https://bit.ly/4tuzJMd #UltrashortPulses #UltrafastOptics 💡⚛️

An Editors' Pick via #OPG_OL: Topological Hong-Ou-Mandel interference via compact edge modes https://bit.ly/4tkGL6k #PhaseModulation #WaveguideGratings💡⚛️

An Editors' Pick via #OPG_OL: Cavity-enhanced polarization-independent frequency conversion for vector beams https://bit.ly/4rrOkpR #QuantumInformation #VectorBeams💡⚛️