Coupling Light Guides TRIZ Cases

Passive multi-mode coupling and selective wavelength sampling detect cable activity without costly FBG sensors or complex laser hardware.

By embedding the TEC in the PCB and flip mounting the light source, this 400G optical module simplifies assembly and improves heat dissipation.

Hybrid-bonded EIC-PIC assemblies around an ASIC raise optics density and bandwidth, enabling 51.2 T co-packaged switch designs.

Oblique polishing angles and shifted lens positions cut reflected return light while keeping the fan-in/fan-out coupling portion compact.

A waveguide mode filter removes reflected higher-order modes to cut coupling loss and preserve reception sensitivity in single-fiber links.

A 2D rotating mirror switches between C- and L-band gratings, giving one optical fiber filter ultra-wide tuning with lower cost and bulk.

A split inner core with limiting spring and snap-fit features simplifies SC connector assembly while improving vibration stability and reliability.

An internal fanout layout packs more optical splitter outputs into the same hub space while routing fibers with strain relief.

Chamfered and radiused alignment features replace guide pins in CPO connectors, cutting mating force and supporting flexible materials.

A polygonal biasing member lets the ferrule float to tuned positions, maintaining fiber alignment and reducing signal loss under load.

A reflective molded prism on the substrate simplifies optical connector assembly while improving fiber-to-device alignment across channels.

A curved lightguide creates an intermediate focus to shrink AR display optics, reduce aberrations, and preserve eyewear-like form.

A multi-arm tab engages coupling holes from the inside to save connector space while improving attachment strength and release handling.

Integrated passive indicators light up from fiber signals, helping technicians identify active coupler ports and avoid wrong disconnections.

A push-pull rod and elastic locking piece simplify plugging and unplugging in dense fiber connector layouts while maintaining stable engagement.

A right-angle transition body, O-ring seal, and wedge retention create a compact watertight fiber entry with secure strain relief.

A straight-plugging press-lock adapter enables reliable optical fiber connection and quick release where operating space is limited.

A conductive heat path lets an optical fiber combiner dissipate laser-generated heat in vacuum, protecting fiber components from thermal failure.

Positioning protrusions and grooves constrain adapter rotation in an optical module, protecting internal fibers and stabilizing signal transmission.

Phase-delayed waveguide paths depolarize light while minimizing interference, enabling compact optical interrogators and gyroscopes.

A movable conductive clamp and sealant close fiber array belt openings to block EMI leakage and maintain signal integrity.

Placing armor around the central optical fiber protects against external force while reducing cable diameter and improving flexibility.

GST phase changes and grating-coupled waveguides route optical signals with lower power use and compact photonic switch integration.

An inverse grating coupler and reflector route backside test light to a photodetector, enabling same-side IC testing with stronger optical signals.

Pre-assembled optical connectors and fibers in one module simplify host-device wiring and reduce connection complexity for dense optical links.

Side recesses or protrusions replace guide pins to align optical fibers accurately while reducing contamination-related connection loss.

Integrated V-grooves and cavities on a processed wafer enable dense PIC co-packaging with precise fiber alignment, electrical routing, and thermal control.

An internal retention body with a fiber guide and crimping supports flexible cable termination while reducing connector parts and assembly cost.

A multi-diametrical sealing flexure and adapter extension relieve bending stress while preserving seal integrity in fiber optic cable assemblies.

Optical absorption heating replaces resistive microheaters in photonic circuits, enabling phase matching with lower complexity and multi-layer designs.

A centered ferrule-holder flange and anti-rotation structure cut bending moments, helping optical connectors maintain alignment and reduce loss.

A laser-formed attenuating portion inside a plastic optical unit delivers precise light loss without added films, diffused-light noise, or complex production.

Embedding a photo IC in the carrier and stacking the switch die cuts package layout area while preserving multi-pin electrical and optical links.

A metamaterial layer between the waveguide core and substrate reflects light away from the substrate, cutting edge coupler insertion loss.

Adjustable grating periods enable 180° two-dimensional pupil expansion, enlarging the valid eye box and waveguide grating area.

Dual flow channels, valve control, and optical droplet monitoring keep gel size and application rate uniform for reliable FAU-to-PIC attachment.

A ferrule recess and localized lid pressing let fiber end positions be adjusted after insertion, improving optical coupling without damage.

Direct optical through vias route signals across 3DIC layers with reflective elements, avoiding electrical conversion, size growth, and transfer errors.

GRIN lens arrays and passive alignment features enable compact multi-channel optical isolation with lower loss and more stable links.

A single-medium prism-lens optical path simplifies fiber alignment and avoids Fresnel reflection in short-range transceivers.

An exposed fiber coupling region and selective fanout routing enable wafer-level optical alignment and concurrent electrical testing.

A side-mounted spring in the elastic tailseat shortens the ferrule connector while preserving contact force, suspension, and assembly simplicity.

A rotatable clamp aligns non-symmetric optical fibre structures before fusion splicing, cutting propagation loss without slow manual adjustment.

A loose-then-compressed spring mechanism eases MPO ferrule alignment, cuts guide pin hole wear, and extends connector mating life.

A movable limiting latch enables tool-free MT ferrule assembly and removal while maintaining stable positioning and male/female compatibility.

A grating-and-mirror silicon photonics coupler improves LiDAR coupling efficiency, cuts insertion loss, and strengthens CMOS-compatible link budgets.

A semi-arc limiting ring and pre-assembled inner core replace threaded joints, simplifying SC connector assembly while improving vibration stability.

GRIN lenses and anti-reflective coatings enable non-contact optical mating that resists contamination, signal loss, and magnetic interference.

Independent cooling of the modulator and driver IC keeps the driver colder, preserving high-frequency response and optical signal quality.

A segmented QFN optical transceiver layout separates optical and electrical sections to manage heat, preserve signal integrity, and save space.