Wavelength-Division Multiplex Systems TRIZ Cases

A multicarrier optical transmit subsystem uses a microring modulator group to filter and modulate polychromatic light directly into public waveguides.

OTN line adaptation system splits signals into 10G tributary slots.

A rectangular optical multiplexer demultiplexer uses mirrors and interference film filters to route monochromatic light paths on a single substrate.

A wireless radio frequency conversion system segments outdoor and indoor units using optical fiber links to transmit data signals between them.

A transmitter module segments optical channels into multiple subcarriers with independent spectral shaping.

A compact optical demultiplexer uses an elastic connecting element to join the focussing member and detector plate for simplified alignment.

Single Slot Advance Reservation postpones channel assignment to transmission time, reducing resource fragmentation and blocking probabilities in grid networks.

Feedback control adjusts path length differences to compensate for manufacturing errors and temperature shifts, reducing signal loss and crosstalk.

Wavelength routing identifies faulty fibers without adding monitoring equipment, reducing capital expenditures.

An optical shunting device suppresses transient overshoots and protects receivers from damage by redirecting signals when fiber links fail.

A spectrum information table stores signal identifiers and optical frequency slot distribution data to determine carriers for multi-slot transmission.

Integrated micro-optic dual beam-splitter assemblies combine filtering and tapping functions to resolve packaging constraints in fiber optic systems.

A multiplexing unit combines signal light with dummy lights from odd and even channels using distinct sources for automatic power restoration.

A wavelength assignment scheme interleaves upstream and downstream channels across multiple bands to support multi-operator optical distribution networks.

Optical line terminal monitors burst power levels to direct wavelength bias adjustments in ONU lasers, compensating for temperature-induced spectral excursions.

Continuous degree of multilevel values resolve trade-offs between OSNR tolerance and pass band narrowing, extending transmission distance.

Shifting transmit filter peak frequencies reduces adjacent channel crosstalk in filterless optical networks.

Local and global iterations between the equalizer and decoder filter inter-symbol noise, enabling 800 Gbps data rates.

Segmenting monitoring into fixed-wavelength channels via splitters and an AWG reduces device complexity while maintaining fault detection precision.

Endpoints negotiate data transmission rates using iterative test sequences and local control rules to reduce path setup time in optical core networks.

Two active optical line terminals provide mutual protection switching and load sharing for ultra-dense wavelength division multiplexing networks.

A reconfigurable optical add-drop multiplexer routes wavelength channels through primary and secondary paths to manage signal contention.

A reflective optical amplifier generates its own seed signal by reflecting output back through a filter, eliminating external seeding components.

Dynamic power adjustments across red, green, and blue light sources maintain uniform natural illumination while preserving high-speed data transmission rates.

A multi-mode demultiplexer and repeater system converts free-space optical signals into single-mode streams.

Optical frequency comb sources enable coherent detection in WDM links by generating multiple carrier frequencies with constant phase offsets.

A station-side apparatus prioritizes downlink frames for switch target ONUs using management information to determine transmission order.

An integrated AWG multiplexer combines a filter with the grating output to direct specific wavelengths, reducing packaging complexity and insertion loss.

Splitting signals into sub-grids enables independent filtering that minimizes chromatic dispersion while maintaining through-channel integrity.

Automatic recovering device detects and corrects wavelength resource state inconsistencies between adjacent nodes in WSON systems.

Bandlimited duobinary modulation achieves 40 to 100 Gb/s rates with lower-speed components, reducing device complexity and cost.

Non-parallel prism faces decouple the angle of incidence from the optical path changing angle, resolving compact design constraints in WDM systems.

A tunable filter uses a movable mirror substrate to reflect specific wavelengths from dispersed light onto a common plane.

An optical attenuator in the supervisory path reduces nonlinear effects on main signals while a control circuit maintains target power levels.