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.

A hybrid-integrated chip package couples an optical integrated circuit to a substrate via an interposer for high-speed data transfer.

A furcated cable assembly isolates optic fibers within a housing to allow longitudinal sliding and reduce handling damage.

An optical assembly with a redirecting surface expands beams to resolve mode spot size mismatch and reduce coupling losses.

An optical circuit uses a polarization rotation and separation element to generate polarization-independent output, reducing device complexity and size.

Deformable plastic cover pins unjacketed optical fibers to resolve manufacturing tolerance issues and ensure precise alignment.

Shared bias pad configuration reduces parasitic capacitance to widen frequency bandwidth and improve response speed in optical receivers.

A fault photo-detector surrounds a laser emission surface to capture accidental light reflections.

Segmented glass termination elements match fiber dimensions to couple high-energy pulses without exceeding silica damage thresholds.

An ingress protected optical fiber connector uses an integrated housing structure to achieve a compact 14 mm diameter.

Optoelectronic transceiver uses internal optical switches to route signals for self-testing without external connections.

A fiber optic connector positions an RFID tag within a non-metallic housing section to enable reliable wireless identification.

Integrated end cap passageway provides cable bend relief, eliminating external components and reducing connector complexity.

Applying external compression during UV curing prevents epoxy delamination caused by thermal expansion mismatches in fiber optic ferrules.

Segmented fiber holders and grooved lids achieve ±2 μm alignment precision without expensive materials, lowering manufacturing costs.

An embedded optical device uses an adhesive gel layer to maintain precise vertical and horizontal alignment within a semiconductor substrate.

Segmented fiber optic connector splits electrical and optical modules to pass through narrow conduits while lowering fabrication costs.

A fiber optic ferrule uses a deformable distal ring to frictionally grip the optical fiber within its bore.

Positioning spatial filters at reflection points within the substrate blocks unwanted TM mode light, improving extinction ratios by reducing crosstalk.

A polishing jig holds an MT ferrule using a fixing mechanism with a central protrusion to apply localized pressure during the finishing process.

Optimized rib type optical waveguide dimensions reduce polarization dependence and scattering loss in silica photonics multiplexers.

Cavity substrate isolates thermal paths while aligning photonic integrated circuits with silicon photonics for stable wavelength control.

A universal optical fiber connector uses a dedicated locking device to secure fibers without rotation.

A lens refracts light to align the optical axis for coupling without rotating components.

A fiber optic interface device uses a resilient member to bias a multi-fiber ferrule axially within a compact housing.

Segmented fiber optic connector termini enable field installation in harsh environments without sacrificing reliability or footprint.

Row-inverted terminals in a 2N-row fiber trunk cable maintain signal polarity while simplifying connection schemes for multi-channel transceivers.

Dielectric blocks provide lateral restraints at waveguide intersections, reducing back reflections by 90% and maintaining signal integrity.

A wavelength selective switch optical bench uses fixed and movable mounts to maintain alignment while accommodating thermal expansion.

Continuous evanescent perturbation gratings etched alongside a primary optical waveguide enhance coupling coefficients and uniformity.

An optical interposer uses first order diffraction grating couplers to refract light from single mode VCSELs into waveguides.

A bidirectional optoelectronic sub-assembly integrates a beam splitter and Faraday cage cavity to align optical components.

Resiliently deformable retaining heads secure various optical adapters in a single structure, eliminating separate supports and complex cutting operations.

A rotary joint uses magnetic cores for power and fiber optics for data transfer across rotating interfaces.

Integrated mounting flanges on the housing merge branching and attachment functions, reducing device complexity while enhancing mechanical versatility.

Microresonators tune resonance wavelengths to maintain time delays, eliminating thermo-electric coolers and reducing power dissipation.

A two-part optical coupling subassembly integrates a beam router within a main lens cavity to enhance optical alignment stability.

Independent thermal paths isolate crosstalk noise while dissipating heat from integrated transmitter and receiver units.

An indexing cable architecture segments optical fibers into interface and branch sections to enable efficient network branching.

A fiber optic adapter merges two adjacent ports under one rotating lightproof plate to block dust and light.

A fiber optic connector strengthens the splice point using a mechanical support and flexible tube, preventing damage from bending or pulling forces.

Through hole in monocrystalline substrate integrates WDM filter and fiber to reduce TO-can volume.

Multiple transition waveguides split light signals from a main waveguide to separate sensors for simultaneous mode detection.

Superimposed sub-gratings project distinct beams to resolve bulk optics alignment complexity in atomic sensor manufacturing.

A photonic integrated circuit coupler array routes light through pixel switches and feed networks to direct optical beams.

Plastic optical fiber directly couples signals to functional modules, eliminating light converters and reducing assembly complexity.

Multi-stage optical equalizer reduces inter-symbol interference through passive waveguide delay lines and tunable Mach-Zehnder interferometer couplers.

Radiation pressure moves a microlens into place for passive alignment, eliminating complex active adjustment devices.

A two-dimensional lens array redirects light via a reflection surface to couple optical signals between an integrated circuit and fiber.

An optical adaptor couples connectorized cables via a hollow mounting element and internal coupling structure.