Wavelength-Division Multiplex Systems TRIZ Cases

Spectral phase scrambling with orthogonal codes secures WDM networks against eavesdropping without separate fibers.

Segmenting channel bandwidth into sub-bands suppresses intra-band power deviations caused by Raman scattering and wavelength-dependent losses.

Optical transmission device adjusts signal powers using wavelength allocation detection to stabilize output levels.

Network management system monitors interface latency, packet loss, and jitter to adjust routing metrics in real time.

A wavelength-multiplexed optical receiver module positions the beam waist midway between longest and shortest optical paths to optimize coupling efficiency.

Bidirectional WDM architecture shares a single fiber transmission band to coexist communication channels with optical sensing signals.

A communication data transmission system monitors loss probability and adjusts send size to maintain throughput.

An iterative design method for multi-channel grating structures in photosensitive materials using spectral to spatial domain algorithms.

Digital signal processing corrects input radio signal amplitudes to maintain uniform channel levels across the transmission path.

A silicon photonics transceiver integrates modulators and light sources with a planar lightwave circuit to multiplex optical signals via grating couplers.

An optical line terminal uses a wavelength identification structure to assign upstream transmission opportunities in passive optical networks.

Single IP interface serves normal and fault modes in optical networks, eliminating redundant hardware costs through automatic optical path switching.

Delay-line interferometers shift intensity peaks to maintain stable wavelength channels, eliminating high-power thermal stabilization needs.

A demultiplexer uses Mach-Zehnder interferometric stages and bandpass filters to separate optical signals.

Adaptive laser frequency spacing minimizes cross-talk interference and bit error rates while maximizing data transmission capacity.

A ring-shaped third light waveguide layer modulates optical signals via electro-optic refractive index changes in a wavelength variable region.

Traffic manager feedback enables dynamic bandwidth allocation to prevent queue overruns and optimize utilization.

Station-side apparatus assigns wavelengths to optical network units using effective transmission rates.

A tunable optical network unit sets receiver and transmitter wavelengths automatically via downstream control signals.

A double-clad optical fiber co-doped with erbium and ytterbium amplifies wavelength-division multiplexed signals via stimulated emission.

A bi-direction optical sub-assembly integrates a planar lightwave circuit to route communication and detection signals through shared waveguides.

Applying correction factors to electrical subcarriers equalizes the optical signal spectrum, resolving distortion from cascaded ROADM multiplexers.

A wavelength router uses output monitoring ports to convert optical signals into electrical control data for temperature compensation.

Shared optical splitters route light to coherent receivers and modulators, reducing hardware redundancy while maintaining channel signal fidelity.

A monitoring apparatus measures broadened optical spectra and compares them against theoretical models to determine signal power levels.

Single light source generates phase-coherent optical carriers, eliminating unsynchronized local oscillators and high phase noise in microwave backhaul systems.