Optical sideband processing preserves array phase data to separate RF sources, suppress jamming, and extend receiver dynamic range.
Passive star-coupler beamspace processing shifts RF beamforming into silicon photonics to handle multiple signals with lower power for 5G/6G.
Multiple synchronized FPGAs lock and correct optical channel phases in real time, enabling stable scaling despite hardware limits and perturbations.
Optical feeding with EO modulators and photodiodes enables wideband phased arrays to form multiple coherent RF beams across shared apertures.
Swappable RF frontend modules use electro-optical processing to handle ultra-wideband signals across diverse phased array transmit and receive setups.
Photonic true time delay and a differential segmented aperture enable wideband beam steering with lower digital processing burden.
Optical phase shifting and combining help phased antennas receive >100 GHz RF signals with beamforming and higher wireless data rates.
A synchronization controller coordinates multiple FPGAs to lock and compensate optical channel phase beyond single-processor limits.
Combining radio frequency and optical receivers with beam combiners improves imaging and ranging in dust, fog, and other degraded visual environments.
Beat-signal detection and frequency division adjust optical frequency difference over a wide band without a synthesizer, cutting circuit size and complexity.
Electro-optic modulation and fiber-fed photodiodes let phased arrays steer multiple wideband RF beams coherently with flexible antenna placement.
A common optical processing engine lets swappable RF frontends cover ultra-wide frequency bands while maintaining phased-array signal fidelity.
Optical frequency tuning with a comb source enables ultra-wideband microwave waveforms while maintaining high stability and low phase noise.
Dual photonic combs split broadband signals into sub-bands so low-speed high-resolution ADCs can analyze them in real time with phase-locked I/Q detection.
A shared master oscillator feeds multiple channel lasers to cut mass, fiber coupling, and cost in multichannel photonic RF receivers.
Shared-electrode optical phase modulation down-converts microwave signals to IF while enabling I/Q separation, noise reduction, and PIC compatibility.
Stimulated Brillouin scattering seeds, filters, and amplifies an opto-electronic oscillator to suppress spurious modes and reduce phase noise.
Multiple optical wavelengths and Mach-Zehnder modulation downconvert wideband EW RF signals with lower power, better dynamic range, and fewer spurs.
An optical resonator and sideband filtering shift RF frequencies while preserving spectral purity and lowering phase noise across tunable ranges.
Downconverting RF before fiber transmission and sending LO sync on the same link cuts loss, EMI, and cooled-laser cost for wideband links.
Digital frequency-domain channelization replaces mechanical filters to cut coupling loss and enable flexible point-to-point radio links up to 42 GHz.
Digital subcarrier filtering replaces cavity filters in point-to-point radio links, cutting coupling losses and enabling flexible high-frequency channel setup.
Half-wave RF optical signaling cuts transmit optical power and fiber nonlinearity while preserving high radio frequency radiation power.
Optical frequency comb demodulation replaces complex electrical THz detection to cut phase noise, conversion delay, and noise susceptibility.
Directional waveguides steer weak EM signals into a Rydberg atom detector, improving sensitivity, range, and noise rejection.
Optical mixing and photocurrent generation create a passive local oscillator for detecting phase-modulated RF fields with Rydberg EIT.
A photonic loop links central and subscriber stations to stabilize delay and lock microwave phase and frequency across distributed nodes.
A multi-plate waveguide focuses weak EM fields onto a Rydberg atom detector to improve sensitivity beyond noise-limited wireless reception.
Tunable optical carrier-to-sideband filtering enables coherent RF down-conversion with lower noise, broadband coverage, and reduced size and weight.
Optical upconversion and interferometric k-space reconstruction separate multiple RF sources by frequency and angle without narrow-band receiver banks.
Frequency mixing creates reverse signals whose extracted even-order product is added to the detector bias to cancel odd-order distortion.
Optical interference and Rydberg-state transitions decode RF-carried waveforms, supporting live video reception up to 200 Mbps across 100 kHz–100 GHz.
Optical frequency comb tones are injection-locked through cascaded active demultiplexers to reduce path mismatch, loss, and chip footprint.
Thin-film lithium niobate combines high-speed electro-optic modulation and low-loss processing for analog computation at up to 92G samples per second.
Single-photon detectors read characteristic Rydberg decay photons to detect RF fields with lower background noise and greater sensitivity.
A Rydberg-atom EIT detector uses optical signals and a photocurrent-driven antenna to sense phase-modulated RF without active electronics.