Optical Waveguide Light Guide TRIZ Cases

An epitaxial lithium niobate optical modulator uses a ridge buffer layer and separate electrodes to apply electric fields efficiently.

A silicon nitride multimode interference coupler achieves arbitrary power splitting ratios through asymmetric waveguide positioning.

Simultaneous etching with a shared mask aligns the waveguide and spot size converter, eliminating fabrication alignment errors.

A Mach-Zehnder modulator uses a semiconductor bank to radiate higher mode light from the 2x1 multimode interference coupler.

An asymmetrical dual-periodic photonic crystal waveguide directs radiated light beams in a single direction through refractive index modulation.

Multi-layer waveguide cores match TE and TM mode coupling coefficients, resolving polarization dependence in silicon wire waveguides.

Bidirectional thermal control compensates for manufacturing variations in micro ring modulators, reducing power consumption and extending device lifespan.

Fiducial markers on waveguides detect optical misalignment from stress, allowing gaze tracking recalibration to maintain alignment accuracy.

A closed-curve waveguide employs an intermediary thermal coupler to minimize temperature-dependent resonance shifts and reduce optical power loss.

Epitaxially grown gradient index waveguides enable vertical mode displacement, reducing photonic chip footprint compared to planar tapers.

High-k dielectric slabs enable capacitive coupling in silicon photonic modulators, reducing high-frequency impedance to overcome RC-limited bandwidth.

Counterpropagating guided waves shape subwavelength near-fields, overcoming local nanostructure confinement limits.

Dividing the heating electrode into sub-segments connected by conductive spacers lowers thermal expansion stress on the waveguide core layer.

A waveguide isolator uses a non-reciprocal member to create directional coupling coefficients for electromagnetic waves.

Segmented device coupon couples passive waveguides to active III-V electro-optical components, reducing optical losses in hybrid silicon integration.

Post-manufacturing ion implantation adjusts waveguide refractive index to compensate for silicon temperature sensitivity and manufacturing uncertainties.

Parallel tapered waveguides shape optical modes to achieve low-loss, polarization-independent coupling across O to L-bands.

Extending doped regions to the light-absorbing medium input side forms an electrical field directly, reducing voltage consumption for faster sensor speed.

A waveguide device uses a reinforcement object covering only specific portions of the mode conversion section to stabilize light propagation.

Tapered waveguide sections adjust phase matching to maintain stable coupling ratios despite manufacturing variations and frequency changes.

Switching circuitry couples a resistance network upon detecting optical power exceeding a threshold, enabling plug-in detection in active optical cables.

Multiple inverse taper waveguides in a trident configuration improve coupling efficiency while reducing insertion loss and back reflection.

Substrate airgaps reduce light leakage into silicon, improving coupling efficiency while maintaining CMOS process compatibility.

Segmenting the photodiode from the resonator eliminates complex fabrication steps while achieving 70 GHz bandwidth and reduced crosstalk.

Direct bonding of similar single-crystal substrates reduces propagation loss and improves material compatibility in ridge waveguides.

A multipath integrated optical network generates weighted delayed signals to modulate pulses with sub-pulse temporal resolution.

A semiconductor photodiode uses a doped optical waveguide to enable evanescent light coupling into the absorbing layer.

Undoped semiconductor regions in the cladding layer suppress leakage current and minimize optical absorption loss for higher modulation rates.

Stimulated inter-modal Brillouin scattering enables nonreciprocal isolation without magneto-optic materials, eliminating material loss and CMOS incompatibility.

A compact silicon-on-insulator optical splitter uses asymmetric waveguides to achieve evanescent coupling.

A multimode interference coupler distributes optical signals to two output waveguides.

Varying thickness side regions and curved strips in multimode waveguide bends reduce bending losses while preserving signal integrity.

An intermediate optical mediator confines image light within the transfer layer, preventing leakage into protection layers and preserving image clarity.

A silicon photonics integration circuit uses mode size converters and modulators to route optical signals on a single wafer.

Crossing optical waveguides reduce chip area and improve frequency characteristics by allowing closer placement of parallel Mach-Zehnder modulators.

A ferroelectric liquid crystal on silicon panel toggles polarization states to shift image pixels spatially across a waveguide.

Multi-level heterogeneous optical power splitter combiner reduces footprint and insertion loss via tapered waveguide cores.

Sacrificial waveguide test structures enable simultaneous optical functionality verification of pre-cleaved chips directly on the semiconductor wafer.

A folded flexible printed circuit optical module separates terminals across planar parts to prevent short circuits.

Segmented arm waveguides reduce power density to suppress material deterioration while strip regions confine light to prevent higher-order mode occurrence.

Merging collimating and combiner functions into a single integrated substrate resolves the trade-off between wide field-of-view and system bulkiness.

Thicker long side walls conduct heat away from the optical modulation element, preventing asymmetric temperature distribution and reliability degradation.

A light guide plate uses varying inclined surface angles to direct edge-light source emission toward the display panel.

A dual-axis micro-mirror optical scanner uses flexion and torsion to direct extracted beams across surfaces.

An optical horned lightpipe converges zero and first order laser lobes to narrow the beam width.

Segmented regions with overlapping widening and narrowing sections widen the photonic band gap and reduce transmission loss oscillations.

Embedding semiconductor fins in a hybrid waveguide reduces propagation loss while maintaining optical confinement for integrated photonics.

An asymmetric silicon nitride waveguide structure converts TM modes to TE modes while reducing fabrication complexity.

An optical waveguide functions as a floating gate electrode to store nonvolatile charge states.