Laser Optical Resonator Construction TRIZ Cases
- Optical Module Impedance Matching for High-Speed Signal Transmission
An optical module uses a specialized terminal matching circuit to resolve impedance mismatch issues in high-speed signal transmission.
- Stabilized Pump Laser Using Single-Mode Fiber and Bragg Grating
A stabilized pump laser source uses a single-mode optical fiber to pass one polarization axis to a Bragg grating for coherent output.
- EML Transmitter Automatic Bias Control via Photocurrent
Photocurrent feedback adjusts EA modulator bias voltage, maintaining second-order distortion performance despite wavelength detuning and temperature drift.
- Colloidal Quantum Dot Emitters With Passive Waveguide
Passive waveguide confines optical modes via evanescent coupling to solution-processable quantum dot active layers.
- Monolithic Polymer Modulator on PIC Platform
A monolithic polymer modulator integrates directly onto a photonic integrated circuit platform.
- Quantum Cascade Laser Insulating Portion Prevents Breakdown
A quantum cascade laser uses a thick semiconductor insulating portion to isolate the metal film from the electrode.
- Semiconductor Laser Wavelength Uniformity via PL Evaluation
A semiconductor laser system stabilizes photoluminescence wavelengths through diffraction grating density calculations.
- Tunable Laser With Segmented Waveguides
Segmenting the active and tuning waveguides isolates thermal stress from the laser signal, expanding the wavelength tuning range for fiber optic networks.
- Axially Symmetric Laser Diode Array for Homogeneous Illumination
Series-connected axially symmetric laser diodes resolve poor light distribution homogeneity in cylindrical lamps by eliminating forming optics.
- Laser Array Beam Combination via Spectral Segmentation
Spectral beam combination using a diffraction grating resolves the trade-off between high power output and manufacturing precision requirements.
- Oligomode Fiber Delay Line for Tunable Light Sources
Replacing monomode fibers with oligomode variants reduces attenuation and temporal smearing in tunable wavelength light sources.
- Distributed Reflector Laser Bandwidth Enhancement
Segmented DFB and DBR regions exploit photon-photon resonance to overcome bandwidth limits, supporting 112 Gb/s PAM-4 transmission.
- Optical Package Lens and Index Matching Fluid for DFB-LD to Si PIC Coupling
An index matching fluid bonded to the input facet reduces return loss, resolving reflection issues while maintaining high coupling efficiency.