Wavelength-Division Multiplex Systems TRIZ Cases
- Out-of-band Control Channel for Optical Transceiver Management
Segmenting control data into out-of-band channels allows independent management of multi-vendor transceivers without node equipment mediation.
- Compact Optical Mux Demux Using 3D Stacked Micro Lenses
Stacked micro lenses and compensatory plates correct alignment errors, reducing substrate footprint by 85% for QSFP integration.
- Pentagon Micro-Optics Module for WDM Signal Routing
Asymmetric prism angles and nested filters reduce manufacturing costs while maintaining high-precision WDM signal separation.
- Triplex Module for Simultaneous Data and Power Transmission
A triplex module transmits data and power over a single optical waveguide using distinct laser wavelengths.
- Optical Source Monitoring via Collimator Reflection
A collimator lens reflects a portion of the optical channel to an optical monitor for direct detection.
- Optical Carrier Frequency Arrangement for Bidirectional PON Interference
A single sideband optical modulator transmits bidirectional data streams via a shared fiber using distinct wavelength channels.
- Distributed Routing Control in Large Communication Networks
Multiple network controllers exchange link information to compute global routing tables and inverse routing tables.
- WDM Signal Detector Using Grating Resonance
Grating structure couples resonant light into a photodiode optical mode for efficient signal detection.
- Band-Sensitive Optical Channel Swapping in C+L Systems
Band-sensitive bundling swaps optical channels via WSS control, reducing SNR penalties and enhancing restoration speed in C+L band systems.
- Adaptive Congestion Management for Edge Network Segments
An adaptive congestion management system dynamically adjusts transfer rates based on periodic usage measurements of edge network segments.
- Photonic Integrated Circuit Back Reflection Noise Suppression
A photonic integrated circuit uses a dedicated absorber to capture laser back reflections before they reach the receiving photodetector.
- Optical Channel Monitor Dynamic Filter Width for Dense WDM
Dynamic filter width adjustment resolves detection accuracy versus device complexity trade-offs in optical channel monitoring.
- Optical Channel Identification Using Programmable Light Source
Programmable light sources generate identification wavelengths to verify channel accuracy without expensive spectrum analyzers.
- Optical Network Controller for Time and Margin Constrained Restoration
A controller classifies services by viable paths and restoration speed to assign home and restoration routes with interleaved spectrum formats.
- Unibody Optical Transceiver Module Single-Piece Substrate Alignment
Merges optical components on a single-piece substrate to eliminate package deterioration effects and reduce manufacturing costs.