Bent non-crossing silicon waveguides equalize optical paths to suppress loss and phase error while easing optical and electronic packaging.
Sequential sub-deflectors and polarization conversion handle multiple wavelength bands without bulky spatial multiplexing or faster switching.
A dielectric-spaced central electrode cuts majority hole current in a germanium photonic demodulator without sacrificing contrast or bandwidth.
Phase-sensitive amplification counters optical loss while planar integration stabilizes balanced homodyne squeezed-light measurement.
A dual parallel modulator generates optical frequency combs using controlled RF signal amplitudes and phase shifts.
A reflective liquid crystal display uses a cholesteric layer to selectively reflect blue light alongside quantum dots for color conversion.
Rod-shaped metal antennas synchronize electron oscillations via unipolar noise, increasing light intensity without large optical components.
Dispersion compensation on modulated optical carriers generates arbitrary microwave waveforms without expensive spectral shaping switches.
A nonlinear crystal uses a phase-mismatched section to expand beam diameter and reduce exit face intensity.
Dynamic frequency tuning tracks moving resonance frequencies to overcome conversion saturation and achieve 100% efficiency at critical input power.
Replacing mechanical phase shifters with a temperature-controlled dielectric reduces receiver complexity while maintaining OSNR sensitivity.
An optical active crystal rotates polarization planes of coherent waves to enable efficient sum-frequency conversion in nonlinear media.
A slant-stripe periodically poled nonlinear material generates terahertz signals via lateral output coupling.
Frequency offset estimating apparatus calculates phase offset changes to eliminate ambiguity and maintain precision across wide ranges.
Inhibition blocks resist polarization reversal to prevent domain merging, ensuring uniform inverted domains and deeper periodic formation.
A V-shaped resonant cavity mixer uses a periodically poled nonlinear crystal to generate wavelength-shifted output waves.
Protrusion patterns on glass substrates reduce reflection and increase luminous efficiency by up to 8% in quantum dot LED packages.
An optical modulator generates radio signals via sideband waves and an optical receiver.
U-shaped and rectangular split-ring resonators form a periodic array to produce electromagnetically-induced transparency at ambient temperatures.
A lumped plasmonic diode rectifies optical displacement currents using a paired epsilon-negative nanoparticle and nonlinear nanostructure.
Chalcogenide fiber generates broadband mid-IR supercontinuum from 1.5 to over 5 μm using normal dispersion pumping.
A cooling mechanism on nonlinear optical crystals manages thermal loads in wavelength conversion devices.
Segmented thermal buffer isolates heating zones to suppress temperature-induced optical aberrations in phase shifters.
Resonant scattering in a double array of sub-wavelength dielectric cylinders achieves high conversion efficiency without phase matching.
Non-centrosymmetric gallium arsenide metasurfaces eliminate phase matching requirements by leveraging Mie resonances to boost nonlinear conversion efficiency.
A wavelength conversion package uses a flexible optical transmitter to stabilize alignment between an optical oscillator and a modulator.
Nested waveguides confine pump and terahertz beams to enhance frequency conversion efficiency while reducing required pump power.
A display device integrates a light absorbing layer and a light shielding layer to control light intensity and distribution.
A shifting algorithm moves a nonlinear crystal beam along a meandering path to avoid defect exclusion zones.
A flexible backlight module integrates a white quantum dot light emitting layer on a soft substrate to enable thin, bendable display structures.
Arbitrary waveform generators and electrical signal multipliers drive optical single-sideband modulators for rapid frequency sweeping.
A photodetection device uses separated light-receiving elements and heterodyne mixing to sample spatial frequency components.
A polarization converter equalizes birefringence differences in waveguide arms to improve demodulation signal quality.
A multi-wavelength signal generation device uses optical adjusting portions to modulate input light phase, intensity, or frequency before entering an optical comb generator loop.
Reflection suppressors on optical elements prevent unwanted sum frequency light from reflecting back into the wavelength conversion element.
Adhesive layer confines pump waves within nonlinear crystal substrate to enable terahertz emission without external optical drawing means.
Optimized cross-sectional areas prevent optical damage while maintaining high conversion efficiency for harmonic waves.
A ferroelectric ridge waveguide structure enables efficient wavelength conversion through second harmonic generation.
An athermal demodulator uses thermally matched optical paths to maintain phase stability during signal conversion.
Dual optical resonators transform phase transitions into intensity disturbances, eliminating local oscillator requirements and reducing receiver complexity.
A semiconductor optical amplifier generates an output signal via counter-propagating four-wave mixing to convert wavelengths.
Segmented electrodes apply voltage to active blocks while floating passive blocks, generating leakage currents to control domain width and period.
A quantum dot color filter converts light to preset colors while a polarization maintaining film recovers scattered light to reduce optical losses.
Optoelectronic devices gain effective active area when the host material refractive index exceeds that of the nanostructures, resolving volume trade-offs.
Negative refractive index metamaterials convert distorted optical signals to correct cumulative dispersion in ultra-long-haul transmission lines.
A resonant-structured optical transistor uses nonlinear mirrors to amplify signals via second-order interactions.
Parallel modulators cancel even-ordered components through interference, extending frequency intervals beyond the drive signal band.
A wearable display device integrates a terahertz transceiver antenna layer for wireless data transmission.
A multi-mode waveguide parametric device uses alternating orientation layers to provide quasi-phase matching for efficient non-linear coupling.
An optical fibre transponder uses Mach-Zehnder modulators to generate Doppler shifts, replacing electrical systems to reduce signal loss and complexity.
A solid intermediate layer connects a wavelength conversion layer to a carrier substrate.