Wavelength-Division Multiplex Systems TRIZ Cases

A processor adjusts optical amplifier parameters using estimated data derived from measured signals and section knowledge.

An optical assembly uses an intermediary supporting member to secure a lens component for precise three-dimensional adjustment.

Filling channels stabilize the spectral center of gravity to prevent signal-noise ratio perturbations caused by Raman tilt during carrier wave failures.

A parabolic lens device integrates lens members and a mirror to multiplex optical signals within subassemblies.

A PCE server selects wavelength channels by evaluating estimated establishment times for connection candidates.

A path selecting method computes end-to-end routes for new services using network topology and wavelength constraints.

A dynamic spectrum bandwidth allocation method adjusts guard band widths based on service path overlap to optimize resource usage.

An automatic optical link calibration method configures channel holders and amplifiers using integrated measurement equipment.

An optical amplifier uses evanescent light branching to detect wavelength multiplicity and adjust excitation light intensity.

Sorting virtual network requests by link count optimizes wavelength assignment, resolving bandwidth utilization limits in optical networks.

Dual-path optical subcarrier transmission maintains network reliability by switching to redundant paths when primary links fail.

Multimode interference coupler eliminates waveguide crossings via vertical stacking, preventing signal degradation from interference.

A frame duplication unit splits optical signals into separate paths to enable maintenance frame transmission alongside data traffic.

Intermediate ROADMs route individual wavelengths to specific dispersion compensation modules, eliminating costly banded de-multiplexor architectures.

A submarine branching apparatus separates wavelength-multiplexed optical signals into distinct bands for flexible routing.

A cascaded optical splitter adjusts splitting ratios via virtual units mapped to signal wavelengths.

Dynamic switching reverses optical signal paths to correct asymmetries caused by fiber degradation.

A thermally shielded multi-channel transmitter optical subassembly isolates individual lasers in separate compartments to maintain precise wavelength control.

Successive matrix multiplication on a reachability matrix identifies regenerator locations and end-to-end paths, reducing engineering complexity.

An integrated optical add/drop multiplexer merges transmitter and receiver modules with crosspoint switches to enable flexible wavelength switching.

A reconfigurable optical add drop multiplexer adjusts wavelength frequency differences to manage signal transmission.

Adjustable resistance in the conversion stage compensates for photodiode sensitivity variations to improve optical power measurement accuracy.

Wavelength-selective reflectors integrated into optical paths enable continuous monitoring of signal integrity without service interruption.

Removable optical input output circuit attaches to integrated OADM circuit, eliminating separate backup devices for different connection configurations.

Automated management computers discover and test fiber trails to eliminate human errors during installation, reducing service delays.

Transparent optical block enables passive alignment of collimating lenses and single mode fiber.

Wavelength selective switch controller switches to constant attenuation mode during signal interruption.

An optical transmission apparatus calculates excitation light frequency to minimize gain deviation in wavelength conversion.

Dual protection mechanisms switch wavelengths and fiber paths to maintain communication continuity during device failures or maintenance.

A source node obtains predicted protection path information to reserve backup resources before failure occurs.

Centralized wavelength tuning eliminates dedicated protection channels, resolving the trade-off between reliability and system complexity in optical networks.

Graphical interface allocates optical links and super-channels, eliminating labor-intensive manual configuration of network entities.

Passive dual-arm filters and cyclic AWGs drop and add wavelengths to reduce node complexity while maintaining resilience against fiber failures.

Individual luminaire control adjusts dominant wavelengths to reduce melatonin suppression while maintaining high color rendering index.

A CMOS microwave photonic band-stop filter uses an optical Mach-Zehnder modulator to process electrical signals.

Optical bandwidth manager uses a fragmentation heuristic to allocate contiguous spectral channels, reducing unused spectrum slots and blocking.

A scalable ROADM architecture organizes nodes into multiple planes interconnected by a cross-plane switch to reduce interconnect complexity.

Centralized event processing identifies defective wavelengths before allocation, preventing network inefficiencies caused by concealed channel failures.

A distributed base station signal transmission system employs colorless optical modules and multiplexing units to interconnect base band and remote radio units.

A WDM-based photonic radar splits signals into parallel sub-channels to extract time-adjusted RF outputs.

Embedded data sequences enable arbitrary wavelocking of optical transmitters, resolving the trade-off between spectral efficiency and system complexity.

Modular fiber optic module integrates multiplexer, splitter, and add/drop filters to combine split and demultiplexed signals into a single output.

Primary and secondary optical pumping means integrate into the optical line terminal to supply pump power across fiber links.

A metamaterial-based mode multiplexer shifts optical phase profiles to convert signals between fiber modes.

Integrated laser conversion modules perform 3R regeneration and forward error correction to maintain signal quality across long-distance satellite links.

A visible light communication system uses spatial multiplexing across multiple LEDs to transmit parallel data streams without requiring high dynamic range components.

Split optical signals into distinct bandwidths to measure degrees of polarization for simultaneous depolarization factor and signal-to-noise ratio determination.

A WDM filter block uses tilted reflecting surfaces to guide light beams in a zigzag path and deliver perpendicular output.

Reverse optical service channel propagation opposite to data channels to reduce cross-phase modulation and four-wave mixing interference.

Discriminate signal and noise contributions using polarization or resolution bandwidth changes to measure in-band noise when standard interpolation fails.