A fiber-coupled electro-optic modulator phase modulates laser light to drive rubidium two-photon transitions for precise frequency stabilization.
An electro-optic modulator in an external cavity feedback path stabilizes a distributed Bragg reflector laser beam.
A monolithic photonic integrated circuit merges a laser with an electro-optic polymer modulator on a shared platform.
Replacing expensive volume Bragg gratings with planar waveguide gratings reduces manufacturing costs while maintaining precise wavelength stability.
A surface plasmon infrared nano pulse laser uses a multi-resonance competition mechanism to achieve tunable emission wavelengths.
A compressive scanning lidar system uses a programmable micromirror array to modulate reflected light for high-resolution 3D imaging.
Coupled resonator modes control wavelength, pulse width, and polarization while reducing laser power requirements.
A distributed feedback laser array uses a tunnel junction between light-emitting modules to control lasing spots via patterned electrodes.
Segmented pump lasers create non-overlapping spots on a gain element, reducing alignment complexity for precise energy deposition.
A compact diode-pumped solid-state laser uses a Volume Bragg Grating to filter spectral output.
An asymmetric reflector breaks bidirectional symmetry in ring lasers, enabling efficient unidirectional lasing with high modulation speeds.
A stacked-layer electro-absorption modulated laser structure grows active regions in a single epitaxy step to simplify manufacturing.
Alternating graphene and dielectric layers reduce ohmic loss in a hyperbolic cavity, achieving high quality factor resonance at low lasing thresholds.
A folded waveguide structure in an optical amplifier redirects light through a gain medium using a reflector and coupler.
Segmenting the optical cavity into multiple arms distributes power to overcome SLM damage limits while maintaining spectral tunability.
A semiconductor laser source integrates a gain waveguide within a Mach-Zehnder interferometer to reduce cavity length.
Staggered free spectral ranges in a dual ring resonator prevent mode hops caused by temperature differences, ensuring reliable wavelength control.
Rolling semiconductor layers into tubes enables precise transfer to silicon substrates, resolving lattice mismatch issues.
Single-axis mirror tilt modulates frequency while ignoring motion in other degrees of freedom, suppressing mode hopping without complex pivoting control.
An alignment mark recovery method uses an InAsP modified layer as an etching stopper during laser diode manufacturing.
A magneto-optical layer positioned on the waveguide sidewall enables nonreciprocal optical isolation within integrated photonic circuits.
A light comb generating device uses a wavelength-tunable source to produce discrete frequency intervals.
A laser reservoir computing system uses a ring resonator to extend optical feedback delay time.
Segmented side walls with integrated heat transferors remove heat from the base floor, reducing thermal mass and startup time while maintaining beam precision.
An asymmetric dielectric layer substrate simplifies manufacturing by eliminating microcutting steps, improving yield and crystallinity.
Segmenting the waveguide into constant and widening regions resolves the trade-off between spatial mode stability and grating reflectivity.
A doped passive waveguide creates distributed feedback that eliminates time-delay signatures and broadens bandwidth.
A semiconductor light-receiving element integrates a silicon-thin-line waveguide with a tapered optical input part for efficient coupling.
A quantum dot optical amplifier narrows the laser beam linewidth using a phase tuner and broadband mirror.
A Fabry-Perot semiconductor diode laser with an inhomogeneously broadened active region generates multiple longitudinal modes at different wavelengths.
Varying the contact layer thickness suppresses high-order side mode oscillations while maintaining light output in the basic side mode.
Independent CSG-DBR and SG-DFB heater control stabilizes tuning by aligning reflection and gain peaks without wavelength hopping.
Crystallization front propagation during annealing forms aligned periodic patterns with tunable wavelengths, eliminating additional processing steps.
A tunable laser uses a wavelength demultiplexer and lasing suppression mechanism to select discrete channels from a semiconductor optical amplifier.
Relocating the reflective mirror to the receiving device reduces optical losses in passive networks while maintaining wavelength self-tuning capability.
Lateral epitaxial growth of GeSn reduces through-dislocations and mechanical stress, improving emission efficiency.
Lookup tables map mirror currents to wavelengths, reducing calibration time from hours to minutes.
A monolithic dielectric resonator metasurface couples bright and dark dipole modes to generate narrow spectral features.
A VECSEL-based self-mixing interferometry sensor extends coherence length via an external cavity structure to enhance detection range.
Segmented sampled gratings with varying optical lengths flatten intensity profiles, resolving spatial hole burning and stabilizing oscillation modes.
Phosphorus gas mediation during InGaAsP grating formation reduces crystal defects and leakage current.
Integrating an electrically insulating thermal spreader within the silicon cladding conducts heat from III-V gain stacks without increasing device thickness.
A light source apparatus stabilizes laser intensity using an acousto-optic modulator and detection circuit for magnetic field sensing.
A wavelength locker integrates a delay-line interferometer on silicon to split signals and generate interference spectra for precise frequency control.
Segmented semiconductor optical amplifier cavities generate interleaved orthogonal polarization pulses to boost swept-source imaging speed.
A stacked optocoupler module uses a transparent insulator to couple light between transmitter and receiver components.
A tilted truncated waveguide structure reduces facet reflectivity through geometric design.