Via #OPG_OL: Multi-order ESSPP modes with independently controllable cutoff frequencies for tri-band filters https://bit.ly/472WrRD #DielectricWaveguides #WavePropagation💡⚛️

Via #OPG_OL: Physics-informed deep learning for phase retrieval and self-calibration in Zernike phase-contrast microscopy https://bit.ly/4AN3bk6 #ImagingTechniques #PhaseShift💡⚛️

On this #ThankYouEditorsThursday, we'd like to thank our returning #OPG_OL Topical Editors Pasquale Memmolo, Institute of Applied Sciences and Intelligent Systems "Eduardo Caianiello" and Brandon Redding, US Naval Research Laboratory. Thank you for supporting @opg.optica.org and Optics Letters!

An Editors' Pick via #OPG_OL: Raman-driven spectral broadening in a molecular gas-filled multi-pass cell with bulk compression to 15 fs https://bit.ly/46XAN1d #EnergyTransfer #UltrafastLasers @uni-jena.de 💡⚛️

Via #OPG_OL: White-cell multipass optical parametric amplifier with 91.9% quantum efficiency at 1490 nm https://bit.ly/4hknttG #Crosstalk #EnergyTransfer @unistuttgart.bsky.social 💡⚛️

An Editors' Pick via #OPG_OL: Performance enhancement in micro-LED maskless lithography via in-situ two-photon-polymerized micro-lens array https://bit.ly/47lI2jx #LightSources #ProjectionSystems 💡⚛️

On this #WelcomeNewEditorsWednesday, we'd like to welcome our incoming #OPG_OL Topical Editors Guangwei Hu Nanyang Technological University; Yufei Ma Harbin Institute of Technology; V R Supradeepa Indian Institute of Science. Thank you for supporting @opg.optica.org and in particular Optics Letters!

An Editors' Pick via #OPG_OL: Spatially or temporally resolved phase-based optoretinography with actively tracked point-scanning optical coherence tomography https://bit.ly/3VzIvfl #HighSpeedImaging #DeformableMirrors 💡⚛️

Via #OPG_OL: Ultra-broadband lithium niobate optical mode (de)multiplexer enabled by SWG-based modal-field redistribution https://bit.ly/4AsUgEg #OpticalSignals #EffectiveRefractiveIndex 💡⚛️

An Editors' Pick via #OPG_OL: Low-loss ultra-compact photonic bends with enhanced fabrication tolerance for commercial foundry processes https://bit.ly/4AmyXo9 #InverseDesign #WaveguideModes 💡⚛️

An Editors' Pick via #OPG_OL: Topologically protected dense wavelength division multiplexer based on valley photonic crystal slabs https://bit.ly/3V2exAA #OpticalNetworks #TunableFilters 💡⚛️

View this #Spotlight by Bing He of #OPG_OL: Threshold reduction of phonon lasing in coupled microresonators with a feedback waveguide https://bit.ly/4gRL4BM #Microcavities #ResonantModes 💡⚛️

An Editors' Pick via #OPG_OL: Mid-infrared erbium waveguide laser with efficiency beyond the quantum-defect limit https://bit.ly/3SLDAqV #Modulation #LaserSources @universite-caen.bsky.social 💡⚛️

Volume 51 Issue 18 of #OPG_OL is now live: https://bit.ly/4Amh4FZ

The featured image displays a numerical simulation of temperature field and isotherm distribution after a fiber irradiates on the liquid-air interface.

See details at Zhang et al.: https://bit.ly/4xv8SAq

An Editors' Pick via #OPG_OL: Raising the laser induced damage threshold of multilayer dielectric gratings by slanting the grating ridges: experimental verification https://bit.ly/4gU4lCz #SemiconductorLasers #DiffractionEfficiency @tsinghuauniversity.bsky.social 💡⚛️

An Editors' Pick via #OPG_OL: Physics-guided residual Kolmogorov–Arnold network equalizer for high-speed dual-polarization coherent optical transmission https://bit.ly/4hcpCrf #NeuralNetworks #NonlinearImpairments @fudanuniversity.bsky.social 💡⚛️

Via #OPG_OL: Picosecond supercontinuum generation in all-normal-dispersion optical fibers enabled by polarization instabilities https://bit.ly/4drMOiS #PhotonicCrystalFibers #RamanScattering @cnrs.fr 💡⚛️

Via #OPG_OL: Multifunctional optical transverse vortex manipulation via cylindrical metasurfaces under cross-medium conditions https://bit.ly/46NiFH2 #StructuredLight #OpticalVortices 💡⚛️

An Editors Pick via #OPG_OL: Bifurcation structure of soliton self-injection locking in microresonators https://bit.ly/4qL6mnP #NumericalSimulation #Microcavities 💡⚛️

An Editors' Pick via #OPG_OL: Iron-oxide-nanoparticle-enabled broadband all-optical microfiber phase shifter https://bit.ly/4clwmjM #PhotothermalEffects #TunableFilters💡⚛️