Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
09/1997
09/24/1997EP0797280A1 Article comprising an improved quantum cascade laser
09/24/1997EP0797279A1 Laser apparatus and method of controlling the same
09/24/1997EP0796932A1 Method of compound semiconductor crystal growth amd semicoductor device fabricated thereby
09/24/1997EP0796452A1 Device for combining and shaping the radiation from several laser diode cells
09/24/1997EP0796324A1 Polypeptide with reduced allergenicity
09/23/1997US5671315 Optical parts fixing apparatus and method of manufacturing the same
09/23/1997US5671243 Surface emitting laser with large area deflecting mirror
09/23/1997US5671242 Strained quantum well structure
09/23/1997US5671209 Focusing time period and power control of a multilaser diode array
09/23/1997US5670798 Integrated heterostructures of Group III-V nitride semiconductor materials including epitaxial ohmic contact non-nitride buffer layer and methods of fabricating same
09/23/1997US5670789 Semiconductor light-emitting device with quantum well structure
09/18/1997WO1997034193A2 All-optical bit phase sensing
09/17/1997EP0795941A1 An optoelectronic semiconductor device
09/17/1997EP0795940A1 Surface-emitting lasers
09/17/1997EP0795910A1 Emitting-receiving semiconductor device having a reduced crosstalk
09/17/1997EP0795893A1 Method of etching a III-V semiconductor by means of a plasma generated in SiC14
09/17/1997EP0795778A1 Nonlinear optical signal processing device
09/17/1997EP0795124A1 Ultra-sensitive detection of contaminants in gas via intracavity laser spectroscopy (ils)
09/17/1997EP0784881A4 Tunable blue laser diode
09/17/1997EP0548111B1 Semiconductor laser diode controller and laser diode biasing control method
09/16/1997US5668903 Compound laser system for high power densities
09/16/1997US5668902 Coupling structure between a semiconductor laser and an optical fiber and coupling method thereof
09/16/1997US5668826 Electro-optical device comprising a controlled laser diode
09/16/1997US5668825 Lens support structure for laser diode arrays
09/16/1997US5668823 Injection laser assembly incorporating a monitor photosensor
09/16/1997US5668822 Integrated semiconductor laser device
09/16/1997US5668049 Passivating the substrate surface with hydrogen sulfide prior depositing silicon nitride dielectric layer
09/16/1997US5668048 Method of making a semiconductor device utilizing crystal orientation dependence of impurity concentration
09/16/1997US5668047 Method for fabricating InP diffraction grating and distributed feedback laser
09/16/1997US5667586 Method for forming a single crystal semiconductor on a substrate
09/12/1997WO1997033353A1 Semiconductor optical amplifier
09/12/1997WO1997033351A1 Semiconductor laser
09/11/1997DE19708989A1 Light emitting element of gallium nitride semiconductor
09/10/1997EP0794601A1 Heterostructure laser
09/10/1997CN1159251A Modified wurtzite structrue oxide compounds as substrates for III-V nitride compound semiconductor epitaxial thin film growth
09/10/1997CN1159084A Semiconductor laser device
09/10/1997CN1159048A Light output apparatus and optical pickup apparatus employing the same
09/09/1997US5666455 Waveguide device
09/09/1997US5666450 Optical-axis alignment method, optical-axis alignment device, inspection method of optical devices, inspection device of optical devices, method of producing optical module, and apparatus of producing optical module
09/09/1997US5666376 Electro-optical device
09/09/1997US5666375 Semiconductor quantum well laser having a low threshold current density
09/09/1997US5666045 Laser drive and control systems useful for laser diode protection
09/09/1997US5665985 Light-emitting diode of edge-emitting type, light-receiving device of lateral-surface-receiving type, and arrayed light source
09/09/1997US5665982 Semiconductor photo-device having oblique top surface of stem for eliminating stray light
09/09/1997US5665977 Semiconductor light emitting device with defect decomposing and blocking layers
09/09/1997US5665637 Passivated faceted article comprising a semiconductor laser
09/09/1997US5665612 Method for fabricating a planar buried heterostructure laser diode
09/04/1997WO1997032377A1 Buried heterostructure
09/04/1997WO1997032376A1 Semiconductor laser and cleaving method
09/04/1997WO1997032373A1 Method and device for operating a laser diode
09/04/1997WO1997032182A1 Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope
09/04/1997DE19651352A1 Mechanically strained multiquantum well semiconductor laser device
09/04/1997DE19607877A1 Laser diode and control of operation
09/04/1997CA2247885A1 Buried heterostructure
09/03/1997EP0793316A1 Laser driver with temperature sensor on an integrated circuit
09/03/1997EP0793315A1 Circuit and method for driving a laserdiode
09/03/1997EP0793314A1 A method and apparatus for improving the stability of a laser
09/03/1997EP0793281A2 Electro-magnetic transducers
09/03/1997EP0793280A1 An egde emitting LED and method of forming the same
09/03/1997EP0793266A2 Method for etching a compound semiconductor, a semi-conductor laser device and method for producing the same
09/03/1997EP0793222A2 Optical apparatus
09/03/1997EP0793126A1 Stabilised pump laser
09/03/1997EP0793121A2 Semiconductor optical waveguide
09/03/1997EP0792955A2 Sapphire single crystal, semiconductor laser diode using the same for substrate, and method for manufacturing the same
09/03/1997EP0792531A1 Semiconductor diode laser and method of manufacturing same
09/03/1997CN1158671A Laser with electrically-controlled grating reflector
09/02/1997US5663980 Semiconductor laser device having changeable wavelength, polarization mode, and beam shape image
09/02/1997US5663976 Buried-ridge laser device
09/02/1997US5663975 Multi-beam semiconductor laser with separated contacts characterized by semiconductor mixed crystal and active layer
09/02/1997US5663974 Semiconductor laser
09/02/1997US5663944 Vertical cavity laser light beam monitored by reflection of a half mirror, with application in optical pick-up
09/02/1997US5663828 Accessory device for modulating the laser output of a pen-clip actuatable laser pointer
09/02/1997US5663824 Optical modulators as monolithically integrated optical isolators
09/02/1997US5663821 Optical semiconductor device module
09/02/1997US5663639 Photomixer
09/02/1997US5663592 Semiconductor device having diffraction grating
09/02/1997US5663572 Optical functional semiconductor element
08/1997
08/28/1997WO1997031284A1 Arrangement for shaping the geometrical cross-section of a plurality of solid and/or semiconductor lasers
08/28/1997DE19603848A1 Light source emission frequency stabilisation device for opto-galvanic spectroscopy
08/27/1997EP0792089A2 Ultraviolet electroluminescent element and laser luminescent element
08/27/1997EP0792033A2 Laser light generator
08/27/1997EP0791990A1 Low resistance p-down top emitting ridge VCSEL and method of fabrication
08/27/1997EP0634052A4 Semiconductor optical devices and techniques.
08/27/1997EP0583305B1 External cavity laser
08/27/1997CN1158017A Semiconductor device with cleaved surface
08/26/1997US5661835 Optical composite module and method of assembling the same
08/26/1997US5661834 Optical semiconductor module and a method for fabricating the same
08/26/1997US5661747 Laser apparatus
08/26/1997US5661743 Semiconductor laser
08/26/1997US5661741 Semiconductor light emitting device, laser amplifier, and integrated light amplifier and wavelength variable filter
08/26/1997US5661740 TEM mode quantum wire or well structure
08/26/1997US5661739 Semiconductor laser driving circuit
08/26/1997US5661585 Passive optical network having amplified LED transmitters
08/26/1997US5661584 Optoelectronic apparatus
08/26/1997US5661580 SCM type of optical signal transmission system without clipping distortion
08/26/1997US5661316 Method for bonding compound semiconductor wafers to create an ohmic interface
08/26/1997US5661077 Method for fabricating an optical integrated circuit
08/26/1997US5661076 Method for fabricating a vertical-cavity surface-emitting laser diode
08/26/1997US5661075 Vertical cavity surface emitting lasers
08/26/1997CA2077147C Method and device for controlling an optical wavelength converter