Coupling Light Guides TRIZ Cases

One-dimensional gratings guide infrared light to the eye box, hiding emitters from view while cameras capture glints for gaze tracking.

Sliding-contact heat sinks and airflow passages transfer nose heat to air behind the faceplate despite side-to-side airflow.

Lateral coupling-assistance features shape optical modes in an edge coupler to improve light transfer and reduce polarization group delay.

Different-index claddings let directional couplers use wider waveguide gaps while maintaining coupling strength and reducing dielectric air voids.

A carrier wall contacts the U-shaped fiber to reduce restoring force, limit optical loss, and stabilize coupling during reflow mounting.

Oxide taper mode converters passively align and fuse fibers to nanowaveguides, avoiding active alignment for lower-loss, higher-throughput assembly.

Limited chip space is addressed with adjacent edge couplers, tapered sections, and index-matching fluids for dense, low-loss optical links.

An integrated sliding member locks fiber plugs with minimal operating space, supporting dense port arrangements and easy unlocking.

Heat-fusing the fiber and lens without epoxy preserves a clean optical path while supporting precise alignment in a miniature probe.

Selective layer removal and conductive replacement create PIC shielding regions that limit optical, electrical, and thermal crosstalk.

Rotationally asymmetric cores and aligned connector orientations simplify multicore fiber connections by automating core-position matching.

Traditional electrical chip-to-chip links limit density and raise power use; microLED optical links provide a denser, lower-power path.

Waveguide geometry and evanescent coupling transfer optical energy between offset chips while tolerating placement errors without lenses or mirrors.

A curved first core and adjacent second core help transform small-mode light while improving confinement and reducing loss at the semiconductor substrate.

Reflection from a polished optical waveguide lets two end-mounted intensity units calculate branch ratios without an optical source.

A recessed chip portion houses the optical module while flip-chip engagement improves RF performance and eases rework.

Focusing and curved mirrors route PIC beams for collimation, while a below-die optical isolator blocks back reflections.

Collimation and focusing distribute optical power across the path, enabling efficient multicore-fiber coupling with lower power density.

Upper and lower openings distribute adhesive contraction in an optical fiber ferrule, suppressing deformation and connection loss.

Obliquely extending optical fibers create alignment gaps and splice loss; optical resin or self-assembled waveguides preserve spacing and optical continuity.

Adiabatic mode evolution separates wavelengths without interference, reducing tuning needs while supporting low-loss, broadband WDM operation.

Placing the array substrate on the outer side removes cover glass attachment, reducing panel thickness, cost, and yield loss.

A through-hole lens array coaxially aligns the FAU with a PIC, improving coupling accuracy, transmission efficiency, and component replacement.

An inclined mirror reflects waveguide light as collimated light, easing fiber alignment and reducing coupling loss.

A segmented cover keeps metal particles from dismantling away from optical components, enabling reuse and preserving analysis integrity.

A polymer-and-adhesive laminate lets 200-micron ribbon fibers flare to larger ferrule spacing for flexible optical coupling.

Two-stage diffractive pupil expansion guides laser beams through separate directions to reduce brightness non-uniformity and image interference.

Combining a plug assembly, pressure sleeve, and outer housing into three parts simplifies automated assembly while fastening the cable and protecting the fiber.

Planar buried oxide lets SiN edge couplers use smaller critical dimensions and larger mode fields for efficient fiber coupling.

Long electrical paths in chiplet packages raise resistance, delay, power, noise, and signal loss; optical links provide a compact alternative.

Closed-loop feedback uses pilot paths to adjust optical elements as aging and temperature cause drift, preserving low insertion loss and reliability.

A light pipe and microlens array convert non-uniform laser output into a uniform top-hat beam while limiting light loss and hotspots.

A partial metallic shield around the light-conducting opening limits optical interference between dies and photoelectric devices, improving coupling efficiency.

Separate transmitter and receiver circuits use an interposer to route signals, easing incompatible lithium-material processing and contamination risks.

Factory-pre-terminated ferrules and connector housings replace field fusion splicing, reducing installation time and operator-dependent connection variation.

A polarization diversity coupler separates TE and TM paths, enabling polarization-insensitive processing with phase-controlled balanced outputs.

Upright arms form a U-shaped pocket that secures a fiber optic adapter without increasing assembly height, supporting denser telecom equipment layouts.

An m-to-n coupler distributes downlink signals across fibers while photodiodes measure uplink power for expanded PON client addressing.

A spherical-end connector and resilient element tolerate alignment deviations while securing optical conduits for testing.

RFID recognition identifies the removable adapter so one optical tester can adjust interfaces and parameters for different fiber cables.

Magnetic and kinematic coupling helps optical fibre connectors maintain repeatable alignment without rotational wear or iterative machining.

An angled connector receptacle guides fiber cables on dense PCBs, reducing bending and improving optical alignment with hub ICs.

Pivoting holders move optical fiber adapters between compact and access positions for easier connector insertion and removal.

Square-lattice fiber packing between opposing grooved plates supports dense arrays while improving mechanical stability and reducing optical coupling loss.

A multi-core fiber layout minimizes core separation to reduce reflected return light and stabilize transmission loss in tilted optical filters.

In high-density optical receptacles, a detachable latch with visual alignment cues helps users identify and connect the matching optical connector.

A deformable protrusion around ferrule microholes controls fiber position, reducing polishing time and material removal during alignment.

Pre-terminated fiber cables accept interchangeable shrouds and housings, supporting multiple connector styles with simpler field assembly.

Staggered multi-fiber connectors and a temporary wrapper enable pre-terminated cables to pass through existing ducts, reducing on-site splicing.

Segmented lid surfaces contain excess adhesive during passive FAU alignment, protecting waveguides from insertion loss and reliability issues.