Wavelength-Division Multiplex Systems TRIZ Cases
- Optical Path Control for Nonoverlapping Uplink and Downlink Signals
The control device detects uplink timing and schedules downlink signals in separate time slots to prevent overlap and interference.
- Optical Path Opening with Dual-Wavelength Control Signal Reception
Separate receivers and wavelength multiplexing preserve control-signal reception before and after optical path opening.
- Optical Transmitter Multiplexing to Reduce SOA Nonlinear Distortion
Frequency-division multiplexing separates broadband optical signals so SOA amplification preserves signal quality at high symbol rates.
- Optical Add-Drop Multiplexer Asymmetrical Filtering for Flexible Routing
Asymmetrical OADM filtering enables flexible channel routing with less cross talk.
- 3DIC Optical Transmission Modules for Capacity and Service Life
QPSK, 16 QAM, multiplexing, and stacked backup dies support up to 400 Gbps and longer module service life.
- Controller-to-Controller Interface for Cross-Layer Topology Translation
A CCI, layer mapping function, and common abstraction model connect IP and optical controllers without forcing one shared format.
- High-Altitude Hybrid Platforms for Terabit GEO Optical Feeder Links
This case combines HAP RF feeder links with FSO transmission to reach 1 Tbps or more while reducing ground infrastructure.
- Optical Network Data Warehousing Without Control Loop Interruptions
Separate data structures let external sessions access OCPM and raw spectrum data while the optical network control loop continues operating.
- Remote Optical Beamforming with Phase Shifting for Wavelength Efficiency
An aggregation station sends beam control with data over an optical link, letting an extension station steer beams with fewer wavelengths.
- DWDM Smart Channel Launch Energy Optimization Using Machine Learning
An SDDC trains on network topology and optical channel data to recommend DWDM launch settings that improve spectral efficiency.
- DWDM Fiber Optic Assemblies for High-Density Channel Scaling
This case combines DWDM filter functions and modular routing to scale channels while conserving fiber optic assembly space.
- Optical Network Monitoring With Consolidated Test Ports
This case combines OSA and OTDR measurements through one test port to identify optical network problems with less service disruption.
- Spectrally Interleaved Optical Transceivers for FSR-Limited WDM
An optical interleaver separates wavelength sets between transmit and receive buses, reducing cross-talk in bidirectional WDM links.
- Fiber Shuffle Box Centralized Splitting for Cross-Manufacturer Compatibility
A built-in splitter and standard LC splices connect heterogeneous optical units while simplifying local add-drop structures.