Wavelength-Division Multiplex Systems TRIZ Cases

Remote optical power feeding and on-chip wavelength distribution simplify laser sourcing while enabling compact, lower-energy optical links.

A shared WSS and add/drop resource pool routes wavelengths across multiple CO rings, cutting subracks, cabinet space, and cost.

Automatic WDM signal exchange lets remote optical transceivers identify paired receive and transmit wavelengths without manual setup visits.

WDM modules and a star coupling layout let optical network units communicate directly with less splitter loss in single-fiber FTTH links.

A common pump source and matched optical paths let paired wavelength converters cancel phase noise and frequency offsets to preserve signal quality.

A shared WSS add/drop pool routes wavelengths across multiple CO rings, cutting subrack space, component count, and network cost.

Offset 2D fiber columns and grating partitioning let a wavelength selective switch expand port capacity without degrading adjacent port isolation.

A shared high-power launch and modular receive architecture cuts DAS interrogator cost and complexity while improving stability for subterranean deployment.

Non-uniform wavelength spacing and polarization arrangement suppress four-wave mixing interference in LAN-WDM links without added loss.

Interconnected indexing and tap modules route and tap passive optical signals while preserving fiber positioning, reliability, and low network complexity.

Multiple laser-generated wavelength combs let one PIC raise channel count without requiring a single broad-gain laser, while limiting crosstalk and loss.

Multiple lasers at different wavelengths are multiplexed and split to enable coherent detection without high-precision lasers, lowering cost and power.

One-to-one wavelength demultiplexing keeps input and output fiber counts equal in daisy-chain optical networks while distributing selected bands.

Routes upstream optical signals through electric processing paths to enable extraction, insertion, relay, and wavelength conversion without larger optics.

A staged ROADM layout uses smaller optical switches to scale degree and add-drop flexibility without higher WSS cost, PDL, or performance loss.

Automated FSP and FRU map validation enables one-touch ROADM service activation while reducing manual optical connection errors.

Pre-filtering continuous-wave light before resonant modulation separates channels while reducing insertion loss, crosstalk, and dispersion.

Splitting WDM channels into separate bands avoids SOA bandwidth and nonlinear limits, improving BER in high-bandwidth optical compute interconnects.

Dither-based wavelength monitoring improves optical processor feedback accuracy under wavelength drift while reducing dedicated detector count and cost.

A splitter and wavelength multiplexers combine shared and subscriber-specific wavelengths on one fiber, enabling PON upgrades without re-cabling.

Segmented wavelength power checks detect optical node abnormalities with low-resolution monitors, cutting installation cost and communication load.

Splitting WDM channels into separate bands with tuned SOAs improves optical compute interconnect bandwidth while limiting BER and nonlinear penalties.

Traffic-based trail switching deactivates optical sources at low load, cutting optical network power use while preserving transmission capacity.

A tuneable OLT laser scans the ONU frequency band to lock coherent reception with low-cost non-deterministic lasers.

Passive optical routing with TDM/WDM cuts switch power use, eases oversubscription, and improves data center bandwidth efficiency.

ASE ghost channels create a monitoring window that lets an OCM detect restored signals in noise-loaded WDM channels without extra monitors.

Directed graph tracing groups optical effects for parallel simulation, cutting latency and improving scalability in large optical networks.

Parameter decoupling separates fiber loss and SRS transfer to correct distorted OTDR traces and improve OTN fiber testing accuracy.

By splitting and recombining polarized beams, this circulator cuts fiber count and assembly complexity while supporting compact optical modules.