Coupling Light Guides TRIZ Cases

An intermediate waveguide layer enables fabrication-tolerant butt coupling between active and passive PIC waveguides across large refractive index differences.

A resilient support and pressing member keep the locking part engaged, preventing connector shift under mating-direction force.

Graded grating etchings in a silicon optical phased array steer low-divergence LiDAR beams while reducing size, weight, and system complexity.

Nested spools and stacked trays store fiber slack densely while preserving bend radius and improving cable access in compact enclosures.

A unified aperture matches both optical and power adapter cross-sections, simplifying hybrid box connections while preserving secure attachment.

Interleaved spiral waveguides create long optical delay in a small footprint while limiting evanescent coupling and optical loss.

A tapered coupling element filters higher order modes between a laser and fiber, improving single-mode signal quality with less packaging complexity.

A tapered composite optical fibre reshapes Gaussian beams into annular or flat-top profiles while preserving beam quality and high-power handling.

A 3x3 MMI layout uses W/3 port spacing and destructive interference to deliver 180° phase shift and equal outer-mode output for coupled lasers.

Vertical via and redistribution routing shortens signal paths in optical communication packages, cutting power use and package volume.

Mechanical exfoliation and dry transfer replace epitaxy in a graphene-black phosphorus mid-IR LED, cutting cost and enabling silicon photonic integration.

Electro-formed metal on both chip sides cuts thermal resistance and avoids high-temperature bonding stress in high-power photonic modules.

Rotated waveguides and asymmetric flat-angled facets improve optical coupling efficiency while suppressing refraction loss and FP resonances.

A mirror-based photonic lock traps light in a thin absorption region, enabling over 40 Gbit/s bandwidth without sacrificing responsivity.

A spaced waveguide evanescently couples light into a germanium photodiode depletion region to boost bandwidth while limiting low-field absorption.

A relay lens matches core intervals and mode field diameters between transmission MCFs and MC-EDFs to cut coupling loss and aberrations.

A spiral waveguide termination spreads optical loss along a curved path and doped region to suppress back-reflections in dense photonic circuits.

A split laser path sends peripheral light to brazing and central light to preheating, enabling small stable heating spots without wire interference.

A reflective fiber-end element redirects part of the guided laser light to measure coupling quality reproducibly across modes.

A CO2 laser shapes optical fiber end faces by tuning beam size and exposure to avoid debris, core diffusion, and heat defects.

A detachable multi-sensor unit retrofits leadthroughs to monitor closure, cross-section, and impacts, helping maintain fire, smoke, noise, and insulation protection.

A reflective fiber end piece diverts useful light for stable input coupling evaluation, avoiding cladding-light plateaus and beam quality errors.

Precisely defined reference surfaces enable passive photonic component alignment, cutting iterative adjustment, feedback control, and fabrication time.

Guide members and ungrooved fiber regions enable passive optical fiber alignment with lower substrate complexity, cost, and signal loss.

Automated parameterized grating coupler layouts use curved scattering elements to improve coupling efficiency and reduce layout time.

Separate laser beams are routed through tapered multicore fibre paths to scale power without sacrificing beam quality in cutting and welding.

An elongated fiber-fed irradiation region raises integrated power density while preserving machining efficiency in laser processing.

A sleeve communication hole redirects cooling medium to the coated-uncoated fiber boundary, improving heat removal and preventing coating burn-out.

A curved optical element focuses laser energy at the bond interface, enabling precise low-stress joining without costly alignment substrates.

Embedding the optical interrogator and waveguide in one fiber-reinforced plastic part protects the fiber and enables compact mobile sensing.

A prism pair reshapes fiber-delivered beams into annular or vortex profiles with steeper edges for precise thick sheet metal cutting.

A sealed fiber-end actuator module steers the laser focal point without bulky scanning optics, cutting space and cost while keeping deflection stable.

Acoustic waves in a graded-index fiber deflect and split laser light for beam switching above 1 MHz, avoiding slow motorized scanning.

Parameterized grating coupler layouts speed photonic circuit design while preserving optimization for coupling efficiency and other performance indices.

A curved optical element focuses low-power laser heat at the bond interface, cutting residual stress, misalignment, and V-groove cost.

A compact duplex fiber connector uses a push-pull carrier mechanism to ease insertion, reduce footprint, and enable field polarity changes.

Multiple fiber outputs are deflected to overlap without a power combiner, creating a stable high-density laser spot while reducing heat-related failures.

A birefringent beam splitter creates perpendicular polarized partial beams to improve 1 µm laser cutting edge quality and speed.

A dopant gradient in optical fiber cladding enables laser ablation for precise end face geometry while removing abrasive polishing steps and waste.

An etched cylindrical cavity inside optical fiber enables direct core-light coupling to a WGM resonator, simplifying integration while maintaining high Q.