Wavelength-Division Multiplex Systems TRIZ Cases

A communication system maps data items to distinct wavelengths for parallel optical transmission.

A network apparatus allocates unique frequencies to standby transceivers and selects the unit with minimal tuning changes for rapid activation.

A photodetector current replicator circuit stabilizes signal power using a transimpedance amplifier and logarithmic amplifier.

A transamplifier system amplifies optical signals while maintaining polarization to enhance signal power.

External seed light module prevents power loss during spectrum slicing, enhancing transmission distance and quality in WDM-PON systems.

Dynamic optical switching network adapts topology to traffic demands, resolving static connectivity complexity.

Dynamic sub-band gain control minimizes energy loss from wavelength variation in WDM systems.

A wavelength selection method identifies end-to-end availability across network links to optimize path setup decisions.

An OLT-based wavelength monitoring mechanism lowers ONU production costs by eliminating complex pre-calibration steps.

Remote device optical relay system uses a downlink path control unit to route signals through bypass lines, preventing damage during maintenance.

Three-arm DQPSK modulators reduce CMOS incompatibility by lowering phase shift voltages.

Tunable optical filters measure spontaneous emission to set channel modulation formats.

Silica-on-silicon substrate integrates laser arrays and multiplexers, reducing size and cost versus conventional packaging.

Synthesizing passive RLC filters mitigates chirp-induced signal degradation, extending transmission distance without increasing power consumption.

An optical relay device applies intensity-modulation to selected wavelengths for flexible control signal management.

Segmented dispersion compensating fiber decorrelates optical signals, suppressing four wave mixing noise and enabling higher power transmission.

A free-space multiplexer uses a fiber array and microlens to route optical signals on a substrate.

Photonic integration replaces discrete phase shifters, eliminating aperture effect beam deflection across ultra-wide bands.

An optical transmitter uses a feedback loop to reduce phase noise in the transmitted signal.

A geostationary relay satellite uses a focal plane array to detect asynchronous optical signals from low-Earth orbit satellites.

Distinct dummy light wavelength arrangements enable accurate filter boundary detection despite high dummy light proportions.

Cycling resonator-wavelength mappings reduces power consumption while maintaining wavelength stability in WDM systems.

Replacing Mach Zehnder modulators with ring resonators improves thermal efficiency while maintaining high data transmission rates.

A free-space optical satellite downlink transmits data bursts at extreme rates using laser links between spacecraft and ground terminals.

Mapping low-rate signals to a dedicated ODU frame structure enables efficient bandwidth utilization within optical transport networks.

A line concentrator optical communication device manages spatial optical devices to establish free-space links with multiple terminals.

A distributed electrical cross single-board merges line-side and client-side access units to enable flexible service scheduling.

A network unit detects fiber line faults using power monitoring and initiates Optical x Domain Reflectometry measurements to localize errors.

CWDM MUX/DEMUX designs for silicon photonics interposers replace mechanical alignment with magnetic positioning to reduce assembly complexity.

A demultiplexing device separates optical signals into odd and even channels using controlled wavelength selective switches.

A wavelength selective switch uses a two-dimensional mirror array to deflect signal light across orthogonal axes for efficient switching.

A node apparatus segments optical signal spectra using narrowband interleavers to route specific wavelength bands.

Bi-directional optical assembly uses wavelength division multiplexing filters to separate transmitting and receiving channels within a compact package.

A dispersion compensation device copies values from a working path to a non-working path for real-time regulation.

Ring resonator filtering elements couple spectral components from WDM signals to enable reconfigurable demultiplexing and demodulation.

A transmission device interconnection registration unit detects light signals between opposing ports to automate connection mapping.

Adjusting optical power levels across adjacent cores in multicore fibers suppresses inter-core crosstalk effectively.

An image processor calculates exit-to-entrance exposure ratios to adjust radiographic parameters automatically.

An optical wavelength analyzer transmits test signals to detect return signal power and sets tunable optical module parameters.

An optical amplifier array boosts split beams to enable wavelength-level backup, reducing module replacement costs and improving system stability.

An SDN controller generates modified flows using extracted network metrics and application metadata.

An integrated photonic microwave transceiver synthesizes dual optical frequency combs to generate and analyze broadband radio frequency carriers.

Dynamic receiver tuning compensates for temperature-induced laser drift, maintaining alignment and reducing bit error rates.

Segmented amplifier groups enable dynamic power control that isolates faults while minimizing energy consumption in subsea networks.

Reverse-biased ring modulators merge with arrayed waveguide gratings to resolve packaging complexity while achieving terabit-scale bandwidth.

A temperature-based control system rotates the optical filter to compensate for wavelength shifts, simplifying device architecture.

A network path selection method evaluates linear optical signal-to-noise ratio to identify candidate routes for connection establishment.

Processor calculates gain change representations to add WDM channels while preventing power disturbance on existing signals.

A free space optical receiver separates collected laser light into multiple propagation mode beams using a multimode intermediary structure.