Polarisation Multiplex Systems TRIZ Cases
- Optical Multiplexer Using Multi-Level Light Combiners
Multi-level light combiners reduce package size and packaging loss by merging multiple beams into one output.
- Probabilistic Constellation Shaping Across FDM Subcarriers
Probabilistic constellation shaping encodes symbols across frequency division multiplexing subcarriers to enhance optical signal processing.
- Polarization-Multiplexed Signal Processing for Adaptive Equalizer Convergence
Convolution of real and imaginary components with complex impulse responses enables dynamic phase rotation for polarization-multiplexed signals.
- Polarization Spatial Multiplexer for Compact Illumination
A polarization-based spatial multiplexer directs orthogonal optical beams through opposing enclosure faces.
- Optical Discriminator for EHF Signal Linearity
An FM-PM discriminator converts modulated optical carriers to intensity signals for linear intermediate frequency generation.
- Optical Transmitter Using Polarization Multiplexing for Compact 100 GbE Modules
An optical transmitter generates orthogonal polarization multiplexed signals using on-off keying to reduce module size.
- Optical Receiver Phase Polarization Control for Stable Coherent Detection
A coherent optical receiver adjusts local oscillation light phase and polarization to maintain signal integrity during multiplexing.
- Polarization Multiplexing Phase Estimation via Adaptive Pilot Extraction
Segmenting orthogonal polarization signals prevents pilot counteraction during phase noise compensation, ensuring accurate carrier phase estimation.
- Constant Modulus Multi-Dimensional QAM for Optical Fiber Nonlinearities
Multi-intensity quadrature amplitude modulation maintains constant power to overcome fiber nonlinearities and dispersion in long-distance submarine links.
- Laser Array WDM Multiplexing for Compact Optical Data Systems
Integrated laser array and wavelength division multiplexing system combine optical signals into multi-channel data streams.
- OAM-OFDM Modulation for Bandwidth Expansion
Applying distinct orbital angular momentum modes to OFDM streams resolves channel capacity limitations by enabling infinite signals on a single wavelength.
- Filterless Coherent Receiver Beat Noise Reduction
A filterless coherent receiver detects signal-signal beat noise using an additional frontend and polarization beam splitting.
- Cross-Polarization Interferometer for PolMux-DPSK Receiver
A cross-polarization interferometer splits optical signals to generate independent outputs and interference terms for differential delay detection.
- Frequency Domain Polarization Demultiplexer for PMD Compensation
A coherent optical receiver demultiplexes polarization signals using frequency domain Fourier transforms and transfer functions.
- Multicore Fiber MIMO Communication System
MIMO processing manages interference between adjacent cores in a compact clad, enabling large-capacity transmission without enlarging the fiber diameter.
- Wavelength Converter with Bidirectional Polarization Loop
A wavelength converter uses an optical loop to maintain high conversion efficiency through bidirectional signal propagation.
- Few-mode fiber optical receiver for atmospheric turbulence adaptation
A few-mode fiber optical reception device separates and equalizes dual-polarization signals using matrix filters and combining filters.
- Polarization Modulation of Supervisory Signals in Optical Systems
Fast polarization modulation of supervisory signals reduces interference with data channels.
- Clock Recovery Circuit for Optical Receiver
Frequency-domain phase detector tracks sampling phase in optical receivers.
- Ultra Compact Optical Transmitter Using Serial Ring Resonators
Serial modulated ring resonators filter carrier signals to reduce transmitter size by twenty-fold compared to traditional PDM-QPSK devices.