A thermo-optic phase shifter structure uses a silicide heater and dual dielectric layers to transfer heat efficiently.
Orthogonal waveguide offsets in a wavelength division multiplexing filter improve fabrication tolerance and thermal stability while reducing footprint.
Annealing adjusts lithium concentration in the buffer layer to suppress DC drift and improve fabrication yield.
Trench-defined airtight cavities boost thermal impedance to resolve energy efficiency and device fragility trade-offs in silicon photonics.
Hybrid FIR and IIR filters cancel chromatic dispersion while maintaining wide, flat top passbands for high extinction ratios in WDM systems.
Segmented grooves release internal stress to decrease silicon substrate curvature for thinner optical components.
A wavelength multiplexing device couples surface plasmons with excitons to guide light signals.
A photonic integrated circuit branches light into parallel paths using a diffraction grating for high-resolution detection.
Segmented optical couplers reduce footprint and fabrication sensitivity by dividing the coupling section into laterally spaced segments with varying pitch.
An automated alignment system corrects projector-to-waveguide misalignment using feedback from a light detector and actuators.
Stacked layers with distinct compositions optimize the optical mode profile, reducing coupling loss caused by size mismatches in edge couplers.
A flexible photonic waveguide routes light in three dimensions by bonding III-V semiconductors onto a polymer substrate.
Vertical stacking of photonic interconnect layers with a coupler increases integration density while reducing optical insertion loss.
An integrated attenuator degrades unwanted optical signals radiated from a waveguide taper, reducing interference with adjacent devices.
Heaters stabilize wavelengths by compensating for temperature-induced shifts, improving reliability of silicon optoelectronics.
Asymmetric trapezoidal waveguide cores reduce gap width dispersion fluctuations, stabilizing the B/R ratio and improving manufacturing yield.
A flat lens optical waveguide array uses sub-waveguides of varying heights to modulate incident light angles and improve energy distribution.