Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
08/1994
08/18/1994WO1994018728A1 A technique for making ultrastable ring resonators and lasers
08/18/1994WO1994018709A1 Graded composition ohmic contact for p-type ii-vi semiconductors
08/18/1994DE4404635A1 Floating optical scanning head, which is integrally formed with a light source and a photodetector, and optical disc (disk) device having such a scanning head
08/18/1994CA2134968A1 A technique for making ultrastable ring resonators and lasers
08/17/1994EP0611097A1 Compact laser optical source
08/17/1994EP0611016A2 Improved coupling structures for a phase-locked laser array
08/17/1994EP0610893A2 Laser diode
08/17/1994EP0610777A1 Semiconductor laser with low threshold current and related manufacturing process
08/16/1994US5339373 Optical branching and coupling device
08/16/1994US5339370 Optical modulator and optical communication system utilizing the same
08/16/1994US5339326 Reflector for semiconductor laser end-face and method of manufacturing the same
08/16/1994US5339325 Strained multiple quantum well semiconductor laser and a method for producing the same
08/10/1994EP0610130A1 Method of manufacturing à semi-conducteur component, in particular a buried ridge laser, and component made by this method
08/10/1994EP0609886A1 Method and apparatus for preparing crystalline thin-films for solid-state lasers
08/10/1994EP0609836A1 Surface emitting laser and method for fabricating the same
08/10/1994EP0609420A1 Apparatus for pulsed electrical power circuitry.
08/09/1994US5337399 Wavelength conversion element
08/09/1994US5337328 Semiconductor laser with broad-area intra-cavity angled grating
08/09/1994US5337327 VCSEL with lateral index guide
08/09/1994US5337326 Semiconductor laser device with compressively stressed barrier layer
08/09/1994US5337325 Semiconductor, light-emitting devices
08/09/1994US5337323 Integrated semiconductor laser array apparatus
08/09/1994US5337176 Optical amplifier with improved linearity
08/09/1994US5337074 Opto-electronic line printer having a high density, independently addressable, surface emitting semiconductor laser/light emitting diode array
08/09/1994US5337072 Laser diode with card-edge connector
08/09/1994US5336635 Manufacturing method of semiconductor laser of patterned-substrate type
08/04/1994WO1994017576A1 Power-controlled fractal laser system
08/04/1994WO1994017575A1 Phase-controlled fractal laser system
08/04/1994WO1994017555A1 Semiconductor devices based on optical transitions between quasibound energy levels
08/04/1994WO1994017448A2 Optical device packaging
08/03/1994EP0609126A1 Semiconductor laser with two passive wavelength selectors
08/03/1994EP0608901A2 A laser unit
08/03/1994EP0608868A1 Semiconductor blue-green laser diodes
08/03/1994EP0608729A1 Three-section semiconducting DFB laser with increased wavelength tuning range
08/03/1994EP0608674A1 InAsSb light emitting diodes
08/02/1994US5335243 3-D opto-electronic system with laser inter-substrate communication, and fabrication method
08/02/1994US5335241 Buried stripe type semiconductor laser device
08/02/1994US5335239 Thermal compensation for laser diodes using active feedback
08/02/1994US5334916 Apparatus and method for LED emission spectrum control
08/02/1994US5334854 Optical semiconductor device with wavelength selectivity and method for amplifying or emitting the light using the same
08/02/1994US5334826 Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser
08/02/1994US5334551 Method of making semiconductor optical guided-wave device
07/1994
07/28/1994DE4318857C1 Driver stage for optical transmitter delivering constant current
07/27/1994EP0608165A1 Semi-conductor optical pulse source using gain switching and a soliton transmission system
07/27/1994EP0608146A1 Active energy control for diode pumped laser systems using pulsewidth modulation
07/27/1994EP0607782A1 Optical dispersion compensator
07/27/1994EP0607700A2 Semiconductor laser device
07/27/1994CN1090082A Device for optically scanning a surface
07/27/1994CA2114284A1 Inassb light emitting diodes
07/26/1994US5333219 Asymmetric Y-branch optical device
07/26/1994US5333216 Optical device used wavelength selective photocoupler
07/26/1994US5333144 Diode laser device having a reflecting feedback element, and apparatus using the device
07/26/1994US5333141 Modulatable laser diode for high frequencies
07/26/1994US5333089 Optical communications system employing fiber-optic amplifiers and control of the transmitter wavelength
07/26/1994US5333077 Method and apparatus for efficient concentration of light from laser diode arrays
07/26/1994US5332918 Switches, III-IV intermetallic
07/26/1994US5332910 Semiconductor optical device with nanowhiskers
07/26/1994US5332695 Method of manufacturing semi conductor device mounted on a heat sink
07/26/1994US5332690 Method of making an integrated optical package for coupling optical fibers to devices with asymmetric light beams
07/26/1994CA2049448C Vertical cavity type vertical to surface transmission electrophotonic device
07/26/1994CA2041316C Driving method and apparatus of a pnpn semiconductor device
07/26/1994CA2036759C Magnetooptic device and its driving method
07/26/1994CA2018928C Semiconductor laser device
07/26/1994CA2009430C Monitoring and/or control of optical amplifiers
07/26/1994CA2008904C Quantum well vertical cavity laser
07/26/1994CA2001586C Laser diode focusing module for divergent light source
07/21/1994WO1994016459A1 Semiconductor expitaxial substrate
07/21/1994WO1994016345A1 Low-loss optical and optoelectronic integrated circuits
07/21/1994WO1994011929A3 Optoelectronic devices
07/21/1994DE4313492C1 Optical coupler for laser monitoring diode, esp. for semiconductor laser
07/21/1994CA2153485A1 Low-loss integrated circuits
07/20/1994EP0606821A1 Modulated strain heterostructure light emitting devices
07/20/1994EP0606725A1 Article comprising compression bonded parts
07/20/1994CA2092762A1 Life span detector for a laser diode and a compact disk player having the same
07/19/1994US5331659 Optical semiconductor device
07/19/1994US5331658 Vertical cavity surface emitting laser and sensor
07/19/1994US5331657 High-power semiconductor laser device
07/19/1994US5331656 Very short wavelength semiconductor laser
07/19/1994US5331655 Decoupled optic and electronic confinement laser diode
07/19/1994US5331654 Polarized surface-emitting laser
07/19/1994US5331651 Method and apparatus for adjusting the wavelength in an optical device and laser using the method
07/19/1994US5331455 Electrical pulse operated laser sampling light amplifier
07/19/1994US5331149 Eye tracking system having an array of photodetectors aligned respectively with an array of pixels
07/14/1994DE4300224A1 Diamond and aluminium nitride solid-state laser with electron beam excitation
07/13/1994EP0606127A1 Semiconductor laser device
07/13/1994EP0606093A2 Semiconductor optical integrated circuits and method for fabricating the same
07/13/1994EP0606092A2 Laser diode element
07/13/1994EP0605929A1 Device for optically scanning a surface
07/13/1994EP0605923A1 Beam-shaping optical element, and radiation source unit and scanning unit including said element
07/12/1994US5329542 Distributed feedback lasers
07/12/1994US5329150 Semiconductor photodetector devices with pairs of monoatomic layers separated by intrinsic layers
07/12/1994US5329135 Light emitting device for achieving high luminous efficiency and high saturation level of light output
07/12/1994US5329113 Optoelectronic switching node
07/12/1994US5328854 Fabrication of electronic devices with an internal window
07/12/1994US5328550 And metalllic impurities that lower the melting point and
07/12/1994US5328549 Method of producing sheets of crystalline material and devices made therefrom
07/07/1994WO1994015390A1 Vertical cavity, surface-emitting laser with expanded cavity
07/07/1994WO1994015388A1 Apparatus for stabilizing wavelength
07/07/1994WO1994015387A1 Regenerative optical pulse generator
07/07/1994WO1994015386A1 Multi-element optically pumped external cavity laser system