Coupling Light Guides TRIZ Cases

A securing clip aligns bare fiber ends for temporary optical coupling, avoiding splicing delays during testing and characterization.

Alternating connector depths improve access in dense fiber adapter blocks while reducing interference and accidental disconnection.

A pivoting spring sheet and intermediate member secure fiber assemblies to a PIC for fast assembly, stable coupling, and fiber protection.

Asymmetric multi-width phase delay arms with tapers make WDM filters less sensitive to fabrication variation and reduce channel drift.

An over-molded lead-in tube encapsulates the ferrule hub to prevent fiber snagging, reduce damage, and keep epoxy properly placed.

Combining conductive terminals with an LC-type optical-fiber adapter adds power transmission while maintaining durability under vibration, moisture, and heat.

A detachable connecting base and waveguide interface stabilize repeated optical cable plugging while saving space and protecting the photonic substrate.

A spring-elastic sealing element closes the connector opening automatically to block dust, reduce signal interference, and prevent laser light escape.

Bonded ferrule, terminus, and lens seal the hollow-core fiber end to block contamination and reduce optical loss during connection.

A single rotatable connector combines optical and electrical transmission to simplify layout and improve connection convenience.

A diamond-shaped spot size converter uses inverse tapering and varying-pitch intermediary elements to cut fiber-to-chip coupling loss and ease alignment.

Separated TOSA and ROSA subassemblies use a LiNbOx modulator and optical filter to share one fiber port, cutting size, power use, and cost.

Conductive terminals added to an LC-type optical-fiber adapter enable stable optical signal and power transmission in harsh automotive conditions.

A low-index light guide splits and directs incident light across pixel photodiodes, improving autofocus accuracy and light reception efficiency.

Multi-step dry etching opens a trench through bonded EIC/PIC dies, reducing debris, optical loss, and grating coupler damage.

Fusion-bonded micro-optic glass plates seal hollow-core fiber end faces to block contaminants and cut coupling and return losses.

A deformable adhesive layer absorbs TEC warpage stress to protect the optical modulation element and keep flip-chip connections stable.

A tube fiber coupler enables fusion splicing of hollow-core optical fibers without rotational alignment, reducing insertion loss and connection complexity.

A flexible substrate routes splitter and bundle fibers through one end, cutting space and service complexity while limiting bend loss.

Bridged core-in-substrate waveguides cut sidewall loss and improve chip optical interconnect density while reducing energy use.

Anodically bonded PIC walls and bridge waveguides preserve ultra-high vacuum and optical access for more accurate atomic sensing.

Integrated ferrule seals isolate hollow-core fiber end faces from dust and moisture, cutting contamination-driven insertion loss in optical connectors.

Matched crystal bonding with a low-dielectric quartz holder suppresses thermal stress, temperature drift, and DC drift in thin optical waveguides.

Retractable alignment pins and an asymmetric polarity key let one optical connector switch gender and polarity while reducing part count and install errors.

A one-piece passive taper reshapes high-M2 laser light to improve fiber coupling while limiting reflections, misalignment, and damage.

Hermetic seals isolate the optical path from liquid coolant, enabling immersion cooling of PCB optoelectronics without focal shift.

A thin AR-coated glass end seal protects hollow-core fiber tips, limits light spread and reflection, and supports stable low-loss connection.

Spaced tensile members in the sheath enable high-density optical fiber wiring with less buckling, lower friction, and reduced transmission loss.

Plastic tubes move with the ferrule to protect bundled optical fibers from bending loss and breakage while maintaining precise connector alignment.

A gap-coupled fiber connection enlarges beam diameter through forward scattering to curb reflection, end-face damage, and polishing demands.

Guide pins seated in crystal-plane grooves enable passive silicon photonics alignment with 1.7 μm or less error and lower fiber connection loss.

Integrated grooves and an adhesive anchoring region align and retain bare optical fibers in ferrule-less multi-fiber connectors.

Curved taper sidewalls between grating couplers and waveguides reduce reflection and transmission loss for more efficient optical coupling.

Integrated face, shaft, and O-ring seals isolate hollow-core fiber ends from dust and moisture, cutting insertion loss and easing scale-up.