Optical Analogue/Digital Converters TRIZ Cases

Periodic reference phase folding enables modulo ADCs to quantize wideband analog signals at high sampling rates with lower timing jitter.

A reverse-path CW laser measures phase drift in a passive remote sampler, letting a pADC correct aliasing-prone signal/reference mismatch.

Optical-domain perturbation in photonic random sampling speeds combinatorial optimization while improving convergence beyond digital bottlenecks.

Pulsed laser clocking and quantum pulse gates enable optical ADC conversion with high resolution, low distortion, and no cryogenic cooling.

Optical dithering and coherent detection help a photonic monobit ADC raise sampling rate while reducing spurs and power use.

Independently addressable optical modulator segments enable precise digital-to-analog conversion with lower power and less circuit complexity.

CMOS sensor arrays matched to each interpolation period cut ADC complexity while preserving high-resolution optical encoder precision.

Phase modulation and optical interference replace energy-hungry electronic sampling, enabling lower-power analog-to-digital conversion.

Phase-modulated optical sampling and parallel converters raise ADC resolution and sampling accuracy for high-frequency signals.

A single-laser photonic integrated ADC uses multi-wavelength delay generation and pre-distortion to raise sampling rate while reducing jitter and cost.

Phase-modulated optical sampling and parallel converters raise ADC resolution and sampling frequency for high-frequency analog signals.

ADC operation is gated to laser pulse windows, cutting energy use and dynamic range demands while preserving signal quality.

ADC operation is gated to laser emission intervals, cutting dynamic range, noise, and energy use while improving pulsed laser measurement.

Photodiode current integrated on modulator capacitance enables fast, low-power optical nonlinear logic with fewer analog errors.

Phase-shifting modulators compensate detuned resonances to synchronize optical outputs for faster, lower-power signal conversion.

A metal frame with a recessed surface maintains contact with a conductive rubber cushion attached to a counter substrate.

Photonic digital-to-analog converter adjusts bit amplitudes via nonlinear optical effects, eliminating complex phase control requirements.

Merges photonic and electronic components on a single chip to eliminate inter-chip signal transmission losses.

An infrared and visible light conversion layer optically coupled to a display backlight emits both light types through the same structure.

A driver state monitoring system calculates a combined index from multiple sensors to adjust vehicle control parameters.

Opposite handedness cholesteric layers replace polarizers in this LCD, resolving the trade-off between high transmittance and manufacturing simplicity.

A frequency separator uses multiple filters to divide light into distinct bands with center frequencies separated beyond individual bandwidths.

Integrating memory and processing in one photonic device eliminates data transfer bottlenecks between separate storage and computation units.

An opto-isolator integrates an optical signal modulator with an optical modulator memory to store modulation states.

An optical quantizer shapes pulse spectra and shifts phase to generate interference patterns for signal processing.