KAUST & UCSB researchers measured coherence collapse in QD lasers at −6.7 dB (21.4% return), enabling isolator-free PICs. Lasers maintained 10 Gbps at 15–45°C, with Lang-Kobayashi modeling confirming superior tolerance in cm-scale cavities.
#QuantumDotLasers #PhotonicIntegratedCircuits #News
Pixelated non-volatile programmable photonic integrated circuits with 20-level intermediate states
Pixelated programmable Si₃N₄ #PhotonicIntegratedCircuits with a laser‑written Sb₂S₃ matrix achieve record 20 levels at 785 nm, enabling precise phase/amplitude control for #NeuromorphicPhotonics, #OpticalComputing and reconfigurable metasurfaces.
#IJEM: doi.org/10.1088/2631...
An Editors' Pick via #OPG_OMEx: High-efficiency grating fiber-chip couplers in wide bandgap III-nitride material platforms opg.optica.org/ome/fulltext... #GratingCouplers #PhotonicIntegratedCircuits 💡 ⚛️
Via #OPG_JOSA_B: Thulium-doped tellurite distributed Bragg reflector waveguide laser on a silicon nitride chip opg.optica.org/josab/fullte... #HighPowerOn-ChipLasers #PhotonicIntegratedCircuits @mcmasteruniversity.bsky.social
