Optical Waveguide Light Guide TRIZ Cases
- Optical Waveguide Joint Surface for Stronger Component Bonding
A roughened bonding region strengthens optical component attachment at the waveguide end face while avoiding extra polishing steps.
- Trap-Rich Photonics Wafer Structure for Lower RF Loss
A trap-rich semiconductor substrate with a thick insulating layer cuts RF loss in thin-film lithium photonics while improving heat flow and yield.
- Photonic Waveguide Layout for Low-Loss, Efficient Modulation
Varying strip and rib waveguides in one semiconductor layer cuts insertion loss, improves modulation efficiency, and lowers power use.
- Thin-Film Lithium Waveguide Coupling With Passivation-Layer Mode Conversion
A high-index passivation layer guides and converts optical modes in thin-film lithium waveguides, improving fiber coupling and tolerance to thickness variation.
- III-V Photodiode Air-Gap Structure for High-Responsivity Silicon Receivers
A segmented air gap and wall structure boosts responsivity in a silicon-bonded III-V photodiode while blocking chemical intrusion during fabrication.
- Trench Reflector Structure for Photonics Chip Coupling Efficiency
Trenched dielectric reflectors place reflective layers on sidewalls to simplify Bragg reflector fabrication while improving grating coupler efficiency.
- Photonic Modulator Air-Gap Sealing for Thermal Isolation
Air gaps etched under the dielectric region cut substrate heat loss, while sealed openings block humidity and oxygen to improve modulator stability.
- Plasmonic Micro-Ring Modulator for Compact Low-Loss Optical Modulation
A surface plasmon polariton micro-ring coupled to a straight waveguide boosts modulation depth in a ~1 μm footprint while reducing optical loss.
- Waveguide Photodetector Layout for Higher Responsivity at Lower Optical Power
Charge and intrinsic multiplication regions boost waveguide photodetector photocurrent, improving responsivity without higher optical power.
- IO-MEMS Waveguide Structures for Stress and Gap Mitigation
Stress-compensated IO-MEMS waveguides use annealing, symmetric stacks, and passive fiber alignment to improve broadband optical coupling.
- Segmented Waveguide-Coupled Photodetector for Low-Reflection Coupling
A tapered core overlapped by segmented curved waveguide sections improves photodetector coupling and cuts back reflection.
- Mach-Zehnder Optical Modulator Ridge Structure for Leakage Current Reduction
Insulating InP blocks beside branch waveguides cut leakage current in a shallow-ridge Mach-Zehnder modulator and improve signal integrity.
- Rib Waveguide Etch Stop Structure for Precise Photonic Patterning
An etch stop layer supports rib waveguide patterning, preventing mask collapse and protecting underlying layers in photonic fabrication.
- Optical Waveguide Glass Composition for Low Silver Ion Diffusion
Specific oxide ratios suppress silver ion mobility at 110°C while preserving waveguide formation and low loss in photonic chip packages.
- Nested Waveguide Fan-Out Structure for Compact Optical Routing
A multi-stage nested waveguide bifurcation layout shrinks fan-out footprint while preserving optical connectivity and routing efficiency.
- Optical Device Layer Transfer for Regular Crystal Orientation
A crystal-oriented transfer layer is bonded onto a polished dielectric surface to raise optical transmittance and refractive index.
- Integrated Photonic Notch Filter for Pump and Sideband Noise Rejection
Asymmetric MZI chains and pump rejection filters remove broadband and sideband noise while preserving single photons in integrated photonics.
- Silicon Nitride Optical Waveguide Layout for Low Temperature Sensitivity
Using stacked silicon nitride waveguides with tuned thickness and spacing cuts thermo-optic sensitivity while preserving light coupling.
- Optical Waveguide Crossover Structure for Low-Crosstalk Routing
A gradual, varying-angle waveguide crossover cuts optical crosstalk and signal leakage while keeping multilayer optical circuits compact.
- Fluoride Glass Waveguides with Laser-Written Positive Index Contrast
Focused ultrashort laser pulses inscribe fluoride glass waveguides with strong positive index contrast, improving confinement and lowering mid-IR losses.
- Asymmetrical Delay Arms for Fabrication-Tolerant WDM Filters
Asymmetrical multi-width phase delay arms help WDM filters resist fabrication variation, reducing performance degradation and channel drift.