Laser Optical Resonator Construction TRIZ Cases
- Surface-Emitting Laser Arrays for Precise Digital Heat Injection
Surface-emitting laser diodes simplify mounting and cooling while maintaining precise wavelength control for economical digital heat injection.
- Gain Chip Batch Characterization Using Reflective Diffraction Grating
A reflective diffraction grating extracts microscopic gain-chip parameters across a batch, improving chip selection speed and accuracy.
- Cat's-Eye Swept Laser with Tilt-Tuned Filter for High-Duty OCT
A cat's-eye swept laser uses a tilt-tuned transmissive filter to raise OCT sweep speed and duty cycle while improving stability.
- Heterogeneous Laser Butt-Coupling With Intermediate Mode Conversion
An intermediate waveguide enables efficient butt-coupling between dissimilar PIC materials, easing taper fabrication while improving optical power transfer.
- SOA Waveguide Dispersion Segment for FWM Noise Reduction
An enhanced chromatic dispersion segment in an SOA waveguide suppresses four-wave mixing noise and improves BER in DWDM links.
- FMCW LiDAR Light Source with Tunable External Cavity Linewidth
A PIC external cavity uses variable attenuation and phase tuning to calibrate narrow linewidth for reliable FMCW LiDAR range and velocity sensing.
- AXEL Optical Circuit Window Structure for Cleavage-Tolerant Output
Simulated mesas in a thickened AXEL window region cut reflection and optical loss while tolerating cleavage position errors for stable high output.
- Optical Interconnect Structure for FEOL-BEOL Waveguide Coupling
A stacked dielectric waveguide interconnect bridges FEOL and BEOL photonics over large vertical gaps while reducing modal loss and series resistance.
- Nonlinear Crystal Resonator Layout for Low-Loss Laser Frequency Conversion
Using a periodically poled crystal as a resonator mirror cuts optical losses, simplifies alignment, and stabilizes laser frequency conversion.
- Compact Laser Assembly With Free-Space PCB-to-PIC Coupling
Free-space coupling replaces fiber links in a compact PCB laser assembly, easing alignment and improving outward heat extraction from the optical train.
- III-V Chip Bonding in Silicon Photonics for Active Region Alignment
A recessed silicon platform bonds a III-V chip to align its active region, enabling direct-bandgap photonics with low optical interference.
- Dual-Polarization Tunable Laser with Independent Frequency Control
Two electro-optical crystals and piezo cavity tuning let each polarized laser frequency be adjusted independently with better temperature stability.
- Fabry-Perot Smoke Detection Using Spectral Scattering Signatures
Spectral analysis inside a Fabry-Perot cavity separates smoke from dust and aerosols for faster, more accurate detection with fewer false alarms.
- Semiconductor Exposure Wavelength Control for Chromatic Aberration
Sets a target wavelength difference between pulse laser beams to narrow line width, reduce chromatic aberration, and preserve exposure accuracy.
- Tunable Frequency Comb Spectroscopy Without Mechanical Tuning
Electrical tuning of a gain-switched laser diode frequency comb removes mechanical adjustment and improves gas spectroscopy resolution.
- Phase-Matched Solid-State Laser for Narrow Linewidth Exposure
Phase-matched nonlinear crystals narrow laser linewidth to cut chromatic aberration and improve semiconductor exposure resolving power.
- Electro-Optic Phase-Code Mode-Locking for Moderate-Speed CR-OCT
Electro-optic phase-code mode-locking generates reconfigurable frequency combs for CR-OCT, covering 100 kHz to 5 MHz with lower bandwidth demands.
- Tunable Laser Beam Steering for Stable Pointing During Spectral Sweeps
Dynamic beam steering compensates wavelength-tuning drift to keep laser path and intensity stable across broad spectral sweeps.