Electromagnetic Receivers TRIZ Cases
- Network Device Control Chip Dynamic Speed Adjustment for Fiber Breaks
A network device control chip adjusts transmission speed based on signal amplitude to prevent one-sided link-up states.
- Coherent Detection Device Using Single Photodiode and Polarization Management
A coherent detection device uses a polarization management system to align optical signals onto a single photodiode.
- Nonlinear Compensation in Coherent Optical Links
Digital back propagation filters intensity vectors to determine nonlinear compensation coefficients for coherent optical signals.
- AI Model Retraining Threshold for Optical Transmission Networks
Controller compares post-restoration performance monitoring data against baseline thresholds to determine AI model retraining needs.
- Coherent Receiver Electronic Dispersion Compensation 304 km Transmission
Coherent receiver preserves optical phase distortions for electronic dispersion compensation, overcoming 58 dB link loss over 304 km without in-line amplifiers.
- Adjustable Bandwidth Current-to-Voltage Converter for Optical Receivers
A dual-mode current-to-voltage converter switches between photodetector amplifier with dynamic load and integrate-and-dump modes.
- Photodetection Circuit Suppressing Oscillation and Limiting Current
A photodetecting circuit uses a transistor and resistive element to control bias voltage and photoelectric current.
- Adjustable Gain Amplifier for Wide Dynamic Range Power Measurement
An adjustable gain amplifier dynamically scales electrical signals to maintain high resolution across varying input levels.
- Variable-Length Chromatic Dispersion Filter for Optical Networks
A chromatic dispersion compensation filter uses variable-length frequency domain filters to process optical signals.
- Optical IQ Modulator Imbalance Estimation via Phase Retrieval
Phase retrieval algorithms estimate frequency-dependent IQ imbalance in optical modulators without requiring complex coherent receivers.
- Coherent Optical Receiver PIC Polarization Beam Splitter
Photonic integrated circuit splits optical signals via polarization beam splitter and optical hybrid to eliminate power-hungry digital signal processing.
- Optical Receiver Equalizer for Low Power DSP
An optical receiver equalizer generates a subset of non-zero coefficients to reduce complex multiplications.
- Optical Receiver Module for High-Speed Short-Reach Communications
A receiver module uses a polarizing beam splitter and multiport optical coupler to process optical input signals.