Coupling Light Guides TRIZ Cases

Spiral multimode and single-mode waveguides create long optical delay in a smaller footprint while limiting evanescent coupling loss.

Voltage-tuned plasmonic waveguides create subwavelength phase patterns for optical beam steering in LiDAR and free-space links.

Spiral flexures and actuators align an in-vacuum objective lens in five degrees of freedom while reducing chamber size and reentrant window needs.

An airtight housing isolates the carbon nanotube saturable absorber from oxygen, extending fiber laser life while preserving pulse performance.

Adjacent heaters thermally bend an overhanging waveguide core to refine edge-coupler alignment and improve mode transformation and light coupling.

Layered multi-section tapers bridge silicon and III-V index mismatch, enabling low-loss coupling on thin silicon photonic platforms.

Glass-board vias link heat conduction and temperature control to protect sealed electrical and optical elements from thermal stress.

A refractive-index mismatch at a fusion-spliced fiber interface totally reflects feedback light, protecting the resonant cavity and reducing waste.

A shielding and reflecting layout blocks stray light from reaching optical parts and bonding materials in high-output optical fiber laser coupling.

A pivotable rear tray in a sealed fiber closure stores excess fiber at safe bend radius while preserving signal integrity and splice access.

Multiple tunable lasers and a light selection element expand LiDAR scanning angle coverage for richer surrounding detection in driving systems.

Direct CVD graphene growth on an insulated waveguide avoids transfer contamination and damage, improving photodetector consistency and mobility.

A segmented support layout counteracts thermal expansion near electronics, helping an optical coupler maintain optical axis alignment.

An edge filter and dual photodetectors stabilize broadband source wavelength and power without external sensors, reducing module complexity.

A two-stage silicon taper with a dielectric-spaced lower waveguide matches III-V effective index to cut coupling loss in thin-silicon photonics.

A nested cable gland, grommet, and protective grip create a waterproof optical fibre connection with strain relief and low transmission loss.

A cavity above grating couplers aligns and retains a fiber array block, improving coupling precision, stability, and optical loss.

A Schottky-coupled MSM plasmonic waveguide and tapered mode converter cut Au-Si loss and coupling loss to improve photodetection efficiency.

By converting coupled multi-core signals to a non-coupled layout during amplification, this case stabilizes relay gain and extends transmission distance.

A single light-receiving element and waveguide cores combine feedback from multiple emitters to control light intensity and color tone in less space.

A SiGe inclusion in the silicon extension matches III-V waveguide index, shrinking the coupler while keeping optical losses low.

Controlled coupling in multi-mode and multi-core optical waveguides enables all-optical nonlinear neuron processing without electronic conversion.

Optical coupling redirects light into a lateral strained SiGe absorber, extending infrared responsivity beyond silicon limits and improving signal-to-noise.

Apertures and cooled beam traps strip excess numerical aperture from fiber laser output, protecting downstream optics from heat and damage.

A partially exposed Ge region admits inspection light directly, enabling standalone sensitivity and wavelength-temperature checks without extra couplers.

Embedding a microLED active layer, reflector, and lens in a waveguide improves chip-to-chip light coupling while lowering interconnect power use.

A collimating lens fitted within the BOSA housing improves filter wavelength separation without increasing transceiver size.

Movable caps and compression-sealed grommets keep fiber drop ports accessible while blocking water, air, and debris.

Different resin expansion on the carrier offsets housing warping at high temperatures, preserving optical alignment and output light.

Lattice-matched InGaAlAs and InP raise photodetector bandwidth beyond 50 GHz while preserving quantum efficiency and multimode fiber coupling.

A pivotable rear tray and gel cable seals help fiber splice closures store excess fiber securely, prevent bend damage, and simplify coupling.

Entry-surface depressions thermally isolate fused glass fibers, reducing heat damage while improving alignment and connection stability.

Multiple adhesive surfaces and interference suppression keep the lens array parallel to the base for stable optical coupling.

Separate photonic and semiconductor substrates let Si3N4 waveguides take 1000°C anneal, then bond under a Ge-on-Si photodiode for low-loss coupling.

Oblique optical surfaces complete collimation of asymmetric laser beams, improving fiber coupling and reducing power loss in compact optics.

Converts coupled multi-core signals to a non-coupled layout for amplification, reducing crosstalk and stabilizing relay gain and noise figure.

An ellipsoidal concave mirror combines light from multiple fibers onto a small receiver, raising output power without higher receiver cost or damage.

A resonant cavity between the waveguide and transceiving portions improves antenna matching and transmission while avoiding larger package layouts.

A cladding extending portion between bundled fiber cores shapes a flat-top laser beam, improving welding and cutting stability while reducing spatter.

A diffusion barrier on the fiber endface blocks OH ingress, reducing tip heating and extending 3 μm laser lifetime.

Built-in LEDs, a lightguide, and isolating features keep vehicle camera views clear in rain, snow, and low light while limiting glare.

Separate SOA and photodiode substrates with oblique reflective facets cut growth conflicts, improve yield, and ease optical alignment.

Captured stray light and photodetector feedback enable portable, accurate fiber laser alignment while safely handling high laser power.

An inclined reflective surface converts vertical grating coupling to edge coupling, expanding optical coupler bandwidth for wafer-level broadband testing.

Scattering back-reflected light from a fiber laser combiner protects bonding materials and helps the housing dissipate thermal stress.

Oblique subwavelength perturbations enable compact silicon waveguide mode conversion with low insertion loss, low crosstalk, and broad bandwidth.

A larger-NA multimode delivery fiber cuts splice loss below 0.5% while preserving stable beam propagation in high-power cascaded fiber sources.

Separate detection lines identify fiber breaks, connector opening, and temperature faults so users can apply the right laser recovery action.

A board-edge optical connector secures short fiber runs near the package to block external loads, improve alignment, and reduce connection loss.

Out-of-channel alignment ports calibrate steering elements without interrupting data signals, helping maintain low-loss optical paths as conditions change.

A multilayer grating coupler uses independently designed layers to improve optical coupling efficiency and bandwidth as chip dimensions shrink.

Elastic bearing-point connections absorb carrier-platform expansion while a neutral point keeps the optical element's beam position stable.

Separating and bonding the optical unit lets independently formed mirrors capture diverging waveguide light while reducing spectral-dependent loss.

A moveable nose-piece and shutter protect bare optical fibers while guiding alignment for reliable connection and disconnection.

Matching pitch-to-core-size ratios enables insertion loss of 0.2 dB or less instead of over 3 dB in free-space lens coupling.

A rotatable clamp and separate elastic component replace a complex deformable hook, simplifying manufacture and optical plug assembly.

Curable adhesive fills the low-profile protector to strengthen multi-fibre splices while simplifying connector installation.

A connected dust cap strip covers dense fiber optic ports and removes them together, reducing installation labor and scattered cap cleanup.

This optical-fiber connector uses a metal retaining member and arced protrusions to resist bending stress during adapter mating.

This case uses etched blazed gratings in high-index lithium niobate to improve coupling uniformity across light polarizations.

Segmented housings and tunable ferrules support compact, adaptable fiber optic connections in space-constrained outdoor deployments.

This case combines ferrules and electrical contacts in hardened connectors to simplify outdoor wireless network installation.

This case selects and fusion-splices multicore fiber cores to balance loss variation and preserve overall signal power.

Complex structures limit accuracy; glass crystal filters separate close-wavelength signals.

This case shows how elastic support and integrated housing sections enable dense fiber interfacing within compact QSFP/SFP footprints.

A side-access recessed ferrule uses inclined fiber guidance and guide-hole sizing to preserve strength during miniaturization.

Measured PIC warpage guides fiber-array height and microlens placement, aligning cores with edge couplers for improved optical transmission.

A nested tapered waveguide adiabatically transforms mode profiles, reducing mismatch losses between planar waveguides and optical fibers.

A ferrule-integrated detector senses cladding light and enables optical power monitoring without disconnecting the fiber.

Extended housing and casing establish alignment before optical contact, easing mating while preserving transmission characteristics.

A duplex clip uses axial hood movement to engage LC latch camming surfaces, easing removal while maintaining connector polarity.

A butt-coupled intermediate waveguide transforms optical modes between dissimilar materials while limiting alignment losses.

A biasing adapter adds an interference fit, letting one fiber splice cassette hold mechanical crimp and heat-shrink protectors.

A nested housing and ferrule, plus keyed transition geometry, reduce connector footprint while supporting reliable optical alignment.

This case separates polarization states and uses multiple input waveguides to capture returning photons across fast-scanning LIDAR fields.

This co-packaged optical assembly uses vertical mezzanine boards for front replacement, signal integrity, and efficient cooling.

An alignment socket and movable fiber bundle stabilize light transmission while accommodating temperature-driven length changes.

A spring-tensioned cover seals the SC socket against dust and light leakage while supporting safe transceiver removal.

Anisotropic etching and measured angle compensation align fiber and waveguide cores despite crystallographic orientation errors.

A movable bale-clasp cover protects the SC connector from dust and light leakage while enabling secure transceiver removal.

Elasto-plastic interfaces retain varied fiber diameters without solder or epoxy.

This case forms refractive-index waveguides on photonic glass substrates for scalable optical links between photonic chips and fibers.

Increasing optical fiber birefringence reduces polarization diffusion length to suppress guided acoustic wave Brillouin noise.

Segmented polyethylene shells isolate tether splices from thermal and mechanical stresses during overmolding, reducing assembly time compared to epoxy methods.

A silicon opto-electronic circuit minimizes polarization dependent loss by positioning the photodetecting device near the optical signal entry point.

Composite optical bridge rails with stopblocks replace heavy metal structures and complex threaded mechanisms for precise interpupillary distance adjustment.

Bypassing non-connected terrace waveguides with grating couplers enables simultaneous wafer-state testing, reducing alignment labor and improving throughput.

Soldered lid structure draws toward chip to press fiber, preventing adhesive deformation during high temperature bonding.

Incorporating spherical silica into polyphenylene sulfide reduces thermal shrinkage at 260°C, preventing optical fiber retraction during solder reflow.

A ferrule holding member uses a guide groove and rib to align optical fibers during insertion into receiver cavities.

A photonic integrated circuit package uses stacked substrates with concave mirrors to direct optical signals between electro-optical converters and coupling devices.

MEMS optical beam waveguides enable precise alignment between stacked semiconductor die devices.

A fiber optic ferrule features a smooth axial passage with dual diameters to securely mount the inner fiber and outer coating.

Mechanical etching replaces expensive laser systems to precisely control fiber surface lattice spacing and reduce heat damage during cladding light removal.

A tunable optical dispersion compensator couples a silica arrayed-waveguide grating to a polymer thermo-optic lens for programmable fine-tuning.

A ramp adapter guides fiber optic connectors into ports using an extension portion and grips.

A re-terminable LC connector assembly uses a cam mechanism to secure fiber stubs for reversible field termination.

A protective tape member applied to the ferrule end face removes with the dust cap, preventing particle migration contamination.

A fiber array unit uses a second mesa with a slot to confine optical fibers and reduce bending stress during routing.