Wavelength-Division Multiplex Systems TRIZ Cases

A wavelength-selective device manages optical network resources using a stored management table to search for available paths and select suitable wavelengths.

A laserless optical transceiver employs a polarization splitter-rotator to generate source signals for reflective modulation.

An optical fiber delay line interferometer stabilizes pulsed laser frequencies by removing carrier-envelope offset noise.

Allocates orthogonal time slots and wavelengths to prevent interference between adjacent light sources.

An optical modulation circuit uses IQ-modulators to generate phase-shift keying drive signals.

A WDM-PON architecture splits a shared optical source to provide downlink and uplink carriers without an ONU laser.

A network provisioning module dynamically assigns modulation formats based on signal-to-noise ratio thresholds to maximize spectral efficiency.

An integrated transceiver merges coherent and non-coherent optical sections with a shared MAC processor to coordinate data traffic scheduling.

An interconnection object pools physical links between SDH and OTN subsystems.

A wavelength-reuse optical transceiver employs time-gap segmentation to enable bidirectional digital signal transmission on a single fiber.

Multi-longitudinal-mode light sources shift emission spectra via temperature control, resolving inventory complexity in fiber access networks.

Spectrum slicing of a single broadband MLM source replaces numerous narrow-spectrum lasers, reducing inventory complexity and temperature control requirements.

A laser beam communication system uses passive optical routing devices to form a flexible mesh network for high-speed data transmission.

A reversed planar lightwave circuit splitter inverts input and output ports to a single side, reducing transceiver footprint.

Segmented amplification stages with dedicated gain mediums equalize noise figures for low-power signals opposing high-power inputs.

A link setup method assigns initial wavelengths between service providing devices and subscriber devices in WDM PON systems.

A processing unit compares exchanged wavelength data to adjust the separation interval, preventing inter-wavelength interference in dense multiplexing systems.

Automated wavelength selective switches eliminate manual fiber rearrangement, reducing downtime during high-speed path reconfiguration.

Wavelength selective switch adjusts individual signal levels to shape the output spectrum of a multiplexed optical transmission device.

A remote optical module tunes its operating wavelength using a pilot tone signal embedded in the service data stream.

A control plane system updates path computation using partial connectivity information from signaling messages.

A variation-detecting unit monitors input power speed to adjust attenuation in wavelength-division-multiplexed signals.

Comb filters and adaptive amplifier control reduce OSNR penalties from uneven ASE noise distribution.

Unique wavelength assignment eliminates cross-talk interference while lowering manufacturing costs.

A code acquisition module uses sparse discrete Fourier transform to estimate delay in direct sequence spread spectrum frames.

Circular or polygonal substrate recesses shape joint materials to distribute curing shrinkage stress symmetrically, preventing optical lens misalignment.

A tunable laser generates an adjustable pilot tone to identify wavelength division multiplexing channels and transport embedded control data.

Reducing phase modulation depth and pixel quantity in the second grating segment minimizes crosstalk signal power while maintaining port isolation.

Propagating drop port SRLG data across network layers identifies single points of failure and ensures absolute route diversity.

Optical migration filter directs traffic between existing and new WDM systems using spectral separation.

Tunable band-limiting filters eliminate out-of-band light before multiplexing, resolving manual reconnection complexity in large-scale optical matrix switches.

Time-interleaved data and beacon signals share a single fiber amplifier, resolving the trade-off between acquisition beamwidth and system weight.

A control system sets specific output level target values for each signal wavelength based on optical circuit type information.

A reconfigurable optical coprocessor performs analog computations using photonic components.

A wavelength selecting switch optical unit uses an external adjustment mechanism to control the internal light path compensating portion.

An optical transmitter multiplexes carrier components to generate a beat signal for precise frequency control.

A network apparatus calculates fragmentation factors using bit maps of fiber states and K-shortest routes to determine connection provisioning probabilities.

Angled parallelepiped filters reduce insertion loss and filter contact risk by maximizing effective optical path length within compact WDM module volumes.

A tunable wavelength filter dynamically adjusts transmission settings within an optical transceiver to receive specific signals.

Directional couplers route optical signals using carrier phase differences, eliminating wavelength demultiplexing constraints and reducing signal distortion.

A FlexE slot negotiation method uses unique identifiers to distinguish routine overhead frames from active standby switching requests.

An optical transmitter control unit allocates communication links to subcarriers with superior transmission characteristics based on measurement signals.

Automatic identifier allocation eliminates manual configuration complexity while enabling reliable wavelength path monitoring through centralized control nodes.

A reconfigurable optical transceiver uses micro-ring resonators to manage wavelength channels and attenuators to regulate signal power levels.

Automated controller reduces adjacent channel spacing to maximize spectral efficiency, eliminating manual configuration time and laboratory prediction errors.

A network fabric application couples to the data link layer to define multi-path communication configurations for efficient data transmission.

A power controller executes independent PID loops at each optical node to manage channel addition without inter-node coordination.

A PON switch unit decouples optical network units via identification signal comparison.

Two-stage routing redirects sub-beams through a reflecting relay assembly to increase output ports without fiber coupling losses.