Wavelength-Division Multiplex Systems TRIZ Cases

Reflective electro-absorption transceivers enable hierarchical optical distributed antenna architectures with single optical interfaces.

Incoherent laser merging generates multiple intensity levels for pulse amplitude modulation in optical links.

A single fiber combining module merges GPON, XGS PON, and DWDM wavelength channels onto one optical fiber using distinct spectral ranges.

Scrambling unwanted wavelengths prevents customer data breaches in shared submarine networks.

Redirecting attenuated C band optical signals as auxiliary pump sources reduces energy demand in L band EDFA systems.

Optical modules adjust transmission wavelengths based on control signals to resolve optical fiber waste and labor costs in 5G radio access networks.

Centralized wavelength assignment resolves single-wavelength limitations in conventional ONUs, allowing dynamic switching for improved operational flexibility.

A wavelength-multiplexed subranging electro-optic modulator folds large dynamic range input signals across multiple linear optical subranges.

A transmitter sets new power levels for optical multiplex signals using mean gain values and attenuations across amplification sections.

Input and output optical modulator arrays map local areas to increase switchable dimensions, resolving ROADM cross-connect limits.

Optical circulators separate downstream and upstream signals in coherent transceivers for full duplex transmission.

Cross-phase modulation converts pump intensity to probe phase, resolving high noise figures and insertion loss tradeoffs.

A multidirectional add device combines superchannel signals using an optical switching matrix and Wavelength Selective Switches.