Wavelength-Division Multiplex Systems TRIZ Cases

A single light source feeds multiple modulators to generate distinct optical carrier signals for network transmission.

Nested micro-lens and filter arrays on a glass block reduce the substrate footprint by 85% while compensatory plates correct alignment errors.

Adjustable collimator lenses align laser beams to relax assembly accuracy requirements and enhance coupling efficiency with optical fibers.

A hybrid optical transmission network uses reconfigurable add/drop multiplexers alongside passive splitters to route wavelength signals across a closed ring.

A dual-etalon response system generates interference peaks to lock subcarrier wavelengths in optical transmitters.

Controller stops optical transmitter upon detecting uncoupling via electrical signals, preventing laser leakage when fibers disconnect.

A striping configuration splits signals on a per-wavelength basis to multiplex upstream data across shared fiber connections.

Nodes apply cumulative summing and smoothing factors to distinguish noise from actual power differences, reducing oscillations in long chains.

Segmentation isolates specific wavelengths to resolve interference between upstream and downstream signals on a single fiber.

Segmenting communication interfaces into multiple virtual lanes reduces transmission delay and buffer sizes while maintaining bandwidth capacity.

Asymmetric adiabatic couplers divide optical signals while maintaining constant relative phase differences.

An optical signal monitor divides bandwidth into fine areas to measure intensity and determine when to introduce dummy light.

Automatic presence detection routes contextual guidance via optical service channels, reducing human error in complex meshed CDC architectures.

A wavelength dither generator varies the carrier frequency of test signals to suppress beat noise in optical monitoring systems.

Extending ODUk overhead bytes with serial numbers prevents byte loss during protection switching, ensuring reliable recovery in OTN ring networks.

Segmented switching units isolate failures in submarine cables, preserving unaffected wavelength bands while restoring connectivity.

An optical interconnect design integrates photonics on a chip to provide high-speed data transmission between computer system components.

A controller generates per-band fault signals to trigger independent restoration actions for affected bands.

A control system measures optical signal power within a defined bandwidth to enable precise actuator adjustments in flexible grid networks.

Dynamic ONU transfer between PONs via wavelength tuning resolves fixed connection bottlenecks, optimizing bandwidth utilization and energy efficiency.

Digitizes upstream radio frequency signals into IP packets to eliminate expensive optical modulation components and reduce construction costs.

A controller in an optical transceiver generates test signals and processes responses to automatically set wavelengths, reducing manual installation costs.

Dual-stage wavelength conversion modules adjust pump power to achieve near-zero dB conversion efficiency for optical signals.

A spurs removal component identifies spectral interference in pilot tone signals and removes it from the frequency domain.

Dynamic sub-band definition separates mixed-width channels to reduce spectral fragmentation and enhance continuity in WDM systems.

Remote apparatuses determine available wavelengths from received optical signals, eliminating manual intervention and dedicated line monitoring nodes.

A differential quadrature phase shift keying modulator arrangement produces a chirped optical signal to extend transmission reach.