Match Document Document Title
9006749 Quantum dot laser diode and method of manufacturing the same  
Provided are a quantum dot laser diode and a method of manufacturing the same. The method of manufacturing a quantum dot laser diode includes the steps of: forming a grating structure layer...
9008138 Laser diode device  
A laser diode device is specified, comprising a housing having a mounting part and a laser diode chip based on a nitride compound semiconductor material in the housing on the mounting part,...
9004700 Three dimensional image projector stabilization circuit  
A projector system that includes a first input device, a second input device, a control device, a sensor and a phase locked loop (PLL). A phase reference signal is created based on a signal rate...
9008140 Semiconductor laser  
A semiconductor laser includes: a p-type semiconductor substrate; a ridge having an active layer and cladding layers on the semiconductor substrate; a current blocking layer embedding side...
9008983 Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide  
Provided are a waveguide capable of suppressing strain and defect caused in a semiconductor in an initial stage or during operation due to a manufacturing process or the like to realize...
9007136 Light-emitting device module and atomic oscillator  
A light-emitting device module includes a temperature variable device including a temperature control surface subjected to temperature control, a light-emitting device including a first electrode...
9008147 Silicon-based lens support structure and cooling package with passive alignment for compact heat-generating devices  
A silicon-based thermal energy transfer apparatus that aids dissipation of thermal energy from a heat-generating device, such as an edge-emitting laser diode, is provided. In one aspect, the...
9007682 Optical amplifier controller  
A controller is configured to determine a first amount of current associated with a first power level. The controller is configured further to generate a digital pulse signal based on the first...
9008145 System for frequency conversion, semiconducting device and method for operating and manufacturing the same  
An edge-emitting semiconductor component, comprising a semiconductor substrate layer and epitaxially on-grown semiconductor layers, is disclosed. According to the invention an active zone of the...
9008137 Method and apparatus for compact and efficient introduction of high radiant power into an optical fiber  
A method and apparatus transferring high radiant power from a plurality of laser diodes into a single optical fiber with high efficiency, small size, and reduced weight.
9008135 Tunable pulse width laser  
A method of tuning the time duration of laser output pulses, the method including spectrally dispersing optical pulses and further comprising providing an optical pulse having a time duration and...
9007678 Monolithic fixed optical delay generators  
A monolithic fixed optical delay generator includes an optical substrate having a front face and a back face. A front coating is on the front face and a back coating is on the back face. The front...
9008134 Resonator, variable wavelength optical filter, and variable wavelength laser diode  
A variable wavelength diode according to the inventive concept includes a resonator and a plurality of cylindrical lenses. The resonator includes slab waveguides of which resonance lengths are...
9007679 Wavelength sweep control  
Methods and apparatus for the active control of a wavelength-swept light source used to interrogate optical elements having characteristic wavelengths distributed across a wavelength range are...
9007681 Multi-core erbium-doped fiber amplifier  
A double-clad (DC) multicore (MC) Erbium-doped fiber amplifier (EDFA) for dense-wavelength-division multiplexing (DWDM) is disclosed. The DC-MC-EDFA comprises a length of DC-MC Erbium-doped fiber...
9008141 Semiconductor laser device  
A semiconductor laser device includes a first conductivity type semiconductor substrate, a first conductivity type cladding layer, a first light guide layer, an active layer, a second light guide...
9005261 Apparatus for gentle laser treatment of the retina  
A therapeutic laser with a source of pulsed electromagnetic radiation, a control device for controlling the intensity and/or the duration of the therapeutic laser applied to the tissue, and a...
9008136 Laser system chiller  
A laser system includes a laser element, a pump source configured to input light to the laser element, a first cooling circuit and a second cooling circuit. The first cooling circuit includes a...
9008146 Semiconductor laser excitation solid-state laser  
A semiconductor laser excitation solid-state laser comprises: a planar waveguide-type solid-state laser element which is disposed on a solid-state laser substrate; an LD array; and a sub-mount...
9008144 Low noise optically pumped laser structures utilizing dispersion elements  
A refractive optics-based dispersion control structure for a low-noise solid state laser standing-wave resonator has at least one dispersive element, a gain medium, and a frequency doubling...
9008143 Gas laser resonator  
The present invention aims to prevent, in a gas laser resonator, the deterioration in quality of discharge by reduction of the change of the pressure in a discharge chamber and the inflow of...
9008133 Giant-chirp oscillator for use in fiber pulse amplification system  
A normal-dispersion fiber laser is operated using parameters in which dissipative solitons exist with remarkably large pulse duration and chirp, along with large pulse energy. A...
9001853 Internal optical mixer pulsed at larmor frequency  
Pulsed, coherent light is generated by optical mixing which takes place inside the resonator of a pulsed laser oscillator. One of the beams to be mixed is generated by the pulsed laser, and the...
9001857 High-efficiency, dual current sink laser diode driver  
Provided are assemblies and processes for activating light emitting devices. A first current sink is in electrical communication with a common source through a current node and configured to draw...
9001856 Diode laser bar mounted on a copper heat-sink  
A diode-laser bar package includes a water cooled metal heat-sink. An electrical-insulator-plate is bonded to the heat-sink with a soft solder. A metal sub-mount and a first electrode are bonded,...
9001858 Quantum cascade laser element  
To raise the upper limit of the temperature range in which a quantum cascade laser (QCL) element for THz range operates at a single frequency. In a quantum cascade laser element in one embodiment...
8998427 Three dimensional image projector  
A method of projecting an image is provided. The method includes the step of providing a first light source, the first light source emitting light at a first polarization. A second light source is...
9001855 Methods and systems for reducing slow axis divergence in laser diodes  
A method, and systems to implement the method, for reducing slow axis divergence in a laser diode bar including tailoring a power deposition profile across the emitter so as to reduce thermal...
9001859 Ridge semiconductor laser and method for manufacturing a ridge semiconductor laser  
The ridge semiconductor laser is a semiconductor laser in which a carrier stopper layer made of an AlInAs compound, a clad layer made of an AlGaInAs compound, and an etching stopper layer made of...
9001862 Miniaturized solid-state lasing device, system and method  
A solid-state lasing device includes a micro-chip oscillator (MCO) affixed to a first tube, and a volume Bragg grating (VBG) plate affixed to a second tube. The second tube is configured to be...
9001861 Device and method for producing coherent bi-color light source  
A device for producing a coherent bi-color light source, including: an array substrate, a first laser tube driven by a first direct current signal, a second laser tube driven by a modulation...
9001416 Pulsed light source  
The invention relates to a pulsed light source capable of effectively utilizing optical power and selecting the pulse width of output pulsed light. A pulsed light source has a MOPA structure, and...
9001850 Excitation unit for a fiber laser  
An excitation unit for a fiber laser having an excitation fiber and forming a two-dimensional or three-dimensional structure in a resonator region of the fiber laser. In cross-section, the...
9001860 Laser diode device including a top electrode with first and second sections  
A laser diode device includes a laminated structure in which a first compound semiconductor layer, a third compound semiconductor layer that has a light emitting region and a saturable absorption...
9001852 Wavelength tunable laser  
The wavelength tunable laser includes a thermo-electric cooler (TEC), a distributed feedback portion, and a semiconductor optical amplifier (SOA). The distributed feedback portion is disposed on...
9001851 Broadband high power light source  
A tunable light includes a super continuum light source and a non-linear crystal, the super continuum light source comprising a pump source and a generator fiber, the generator fiber having an...
9001854 Methods for determining optical power, for power-normalizing laser measurements, and for stabilizing power of lasers via compliance voltage sensing  
A method is disclosed for power normalization of spectroscopic signatures obtained from laser based chemical sensors that employs the compliance voltage across a quantum cascade laser device...
8993999 Semiconductor light emitting device and method for manufacturing same  
According to an embodiment, a semiconductor light emitting device is configured to emit light by energy relaxation of an electron between subbands of a plurality of quantum wells. The device...
8995492 Semiconductor laser element  
To provide a ridge-type semiconductor laser element capable of preventing inclination at the time of junction-down bonding and having high heat dissipation, in a semiconductor laser element...
8993450 Device package and methods for the fabrication and testing thereof  
Provided are methods of forming sealed via structures. One method involves: (a) providing a semiconductor substrate having a first surface and a second surface opposite the first surface; (b)...
8995038 Optical time delay control device  
An optical time delay control device for controllably altering the transit time of an optical beam between two points. In one example, the device may include an optically transparent solid medium...
8995486 Semiconductor laser control device and image forming device  
There provided is a semiconductor laser control device which including plural light sources that are configured with eight or more semiconductor laser elements, a one detecting section that...
8995480 Tunable laser module  
The present disclosure relates to a tunable laser module including a light gain area unit for outputting an optical signal; an optical distributor for separating the optical signal output from the...
8995489 Semiconductor stack and vertical cavity surface emitting laser  
A semiconductor stack includes a semiconductor DBR (Distributed Bragg Reflector) formed on a substrate, and a resonator formed on the semiconductor DBR laminating wide-band semiconductor layers...
8995487 Laser driver subsystem  
A laser driver subsystem includes a pump diode driver, operable to generate light pulses to energize a laser, and a lithium polymer battery. The pump diode driver includes a pump diode and a...
8995477 Ultrashort pulse laser processing apparatus  
An ultrashort pulse laser processing apparatus for processing a processing target includes: a laser head which includes a seed laser source emitting an ultrashort pulse seed laser, and emits a...
8995494 Multi-band laser architecture  
Techniques and architecture are disclosed for providing a laser system. In one specific example embodiment, the system includes a thulium-doped fiber laser coupled by silica glass fiber to a...
8995052 Multi-stage MOPA with first-pulse suppression  
A solid-state MOPA includes a mode-locked laser delivering a train of pulses. The pulses are input to a fast E-O shutter, including polarization-rotating elements, polarizing beam-splitters, and a...
8995491 Edge-emitting semiconductor laser  
An edge-emitting semiconductor laser includes a first waveguide layer, into which an active layer that generates laser radiation is embedded. The laser also includes a second waveguide layer, into...
8995054 Apparatus for generating pulse train with adjustable time interval  
An apparatus for generating a pulse train with an adjustable time interval is provided. The apparatus, being an annular optical cavity structure, includes a seed source receiving end, a pump...