Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
09/1993
09/29/1993EP0562667A1 Optical amplifier with improved linearity
09/29/1993EP0562636A1 Frequency doubler and laser source
09/29/1993EP0562518A2 An optical apparatus and a method using the apparatus, which utilizes the occurrence of a change in a both-end voltage of an amplifying region
09/29/1993EP0562359A1 Laserdiode control circuit
09/29/1993EP0562211A1 Self-aligning fiber couplers
09/29/1993EP0562173A1 Semiconductor optical device
09/28/1993US5249244 Optical device with an optical coupler for effecting light branching/combining and a method for producing the same
09/28/1993US5249195 Erbium doped optical devices
09/28/1993US5249194 Laser diode protective circuit for an optical transmission apparatus
09/28/1993US5249190 Frequency-doubled laser
09/28/1993US5248890 Valance specific lanthanide doped optoelectronic metal fluoride semiconductor device
09/28/1993US5248631 Doping of iib-via semiconductors during molecular beam epitaxy using neutral free radicals
09/23/1993DE4307940A1 Light source for laser printer, scanner, copier, facsimile, bar=code reader etc. - includes semiconductor laser array and beam limiter and has row of holes in thin sheet secured to fixing plate for beam emissions with spacing corresp. to inter-laser distances
09/23/1993DE4307570A1 Semiconductor laser source emitting beam with circular cross-section - produces beam using cylindrical rod lens at right angles to axis of elliptical beam emerging from diode chip
09/22/1993EP0561706A1 Emitter/receiver with coherent detection
09/22/1993EP0561692A1 Optical telecommunication method
09/22/1993EP0227783B1 A method of manufacturing optical semiconductor structures
09/21/1993US5247597 Optical fiber alignment
09/21/1993US5247592 Semiconductor optical device and array of the same
09/21/1993US5247536 Semiconductor laser distributed feedback laser including mode interrupt means
09/21/1993US5247533 Gallium nitride group compound semiconductor laser diode
09/21/1993US5247532 Method and apparatus for stimulating a laser diode in a fiber optic transmitter
09/21/1993US5247530 Laser diode module
09/21/1993US5247529 Optical communication transmission system with optical control of an optical amplifier
09/21/1993US5247528 Second harmonic generator using a laser as a fundamental wave source
09/21/1993US5247506 Optical pickup for reproducing information from an optical information storage medium
09/21/1993US5247203 Semiconductor device mounted on a heat sink with an intervening amorphous semiconductor material
09/21/1993US5247168 Light frequency converter having laser device connected in series with photodetector
09/21/1993US5247167 Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams
09/21/1993CA2043173C Method for batch cleaving semiconductor wafers and for coating the cleaved facets
09/19/1993CA2091820A1 Optical telecommunication method
09/16/1993WO1993018563A1 Method and apparatus for stabilizing laser diode energy output
09/16/1993WO1993018561A1 Ring laser pumped optical amplifier
09/16/1993WO1993018428A2 Head-mounted display system
09/16/1993DE4307941A1 Semiconductor laser source eg for laser printer - has beam limiting element with aperture which bends, a transmitted laser beam from beam-emitting arrangement
09/16/1993CA2130672A1 Head-mounted display system
09/15/1993EP0560491A1 Semiconductor laser device and method of producing the same
09/15/1993EP0560474A2 A 2-D monolithic coherent semiconductor laser array
09/15/1993EP0560358A2 Semiconductor laser and process for fabricating the same
09/15/1993EP0418344B1 Light-generation device
09/15/1993CN1076315A Laser control method and apparatus
09/14/1993USRE34378 Light emitting device with improved electrode structure to minimize short circuiting
09/14/1993US5245690 Optical fiber amplifier including rare earth doped fiber and feedback pump light source control
09/14/1993US5245622 Vertical-cavity surface-emitting lasers with intra-cavity structures
09/14/1993US5245620 Laser diode system for reflecting and maintaining laser light within the system
09/14/1993US5244818 Processes for lift-off of thin film materials and for the fabrication of three dimensional integrated circuits
09/14/1993US5244749 Photodetector, lasers
09/12/1993CA2091302A1 Semiconductor laser and process for fabricating the same
09/08/1993EP0559365A2 Electrical to optical links using metalization
09/08/1993EP0559192A2 Distributed reflector and wavelength-tunable semiconductor laser
09/08/1993EP0559139A1 Short-wavelength light generating apparatus
09/08/1993EP0558948A1 An optical semiconductor apparatus, a method of driving the same and an optical transmission system using the same
09/08/1993EP0558913A1 Improved pulsatile once-a-day delivery systems for minocycline
09/08/1993EP0558856A2 A method for producing a semiconductor laser device
09/08/1993EP0548111A4 Semiconductor laser diode controller and laser diode biasing control method
09/08/1993EP0533843A4 Fiber optics system
09/07/1993US5243681 Aperture disk attenuator for laser diode connector
09/07/1993US5243619 Process wherein several radiation sources, arranged in one row or several rows, are imaged, and apparatus for this purpose
09/07/1993US5243613 Method and apparatus to compensate for distortion in optical transmission systems
09/07/1993US5243610 Optical fiber dispersion-compensating device
09/07/1993US5243608 Optical transmission process by wavelength shifting and corresponding system
09/07/1993US5242857 Method of manufacturing semiconductor structures
09/07/1993US5242856 Method of manufacturing a window structure semiconductor laser
09/07/1993CA2013157C Random-access digitally-tuned optical frequency synthesizer
09/07/1993CA1322039C Laser amplifier
09/02/1993WO1993017363A1 Optical switching device
09/01/1993EP0558264A1 Low gloss polycarbonate/ABS blends
09/01/1993EP0558220A1 Improved method of operating a modulated semiconductor laser array with reduced thermal crosstalk
09/01/1993EP0558089A2 Semiconductor optical integrated device and method of manufacture thereof, and light receiver using said device
09/01/1993EP0557727A2 Semiconductor laser element with excellent high-temperature characteristic and capable of being readily mounted on an optical circuit board
09/01/1993EP0557638A2 Semiconductor laser device
09/01/1993EP0409921B1 Optical feedback control in the frequency conversion of laser diode radiation
08/1993
08/31/1993US5241556 Chirped grating surface emitting distributed feedback semiconductor laser
08/31/1993US5241555 Semiconductor single crystal external ring resonator cavity laser and gyroscope
08/31/1993US5241554 Laser diode of variable beam divergence and information processor using the same
08/31/1993US5241553 Having gallium arsenide substrate, clad layers, active layer of boron, gallium, indium and Group 5 element
08/31/1993US5241552 Compensated laser structure for analog communication applications
08/31/1993US5241413 Wavelength converter
08/31/1993CA2008379C Semiconductor lasers
08/25/1993EP0556974A2 Optical pulse generator
08/25/1993EP0556952A1 Wavelength selective coupler
08/25/1993EP0556863A2 Multi-beam semiconductor laser and method for producing the same
08/25/1993EP0556639A1 Semiconductor laser device
08/25/1993EP0556620A2 AlGaAs laser diode with an AlGaAs Zn-stop diffusion layer
08/25/1993EP0556619A2 Surface emitting lasers with low resistance Bragg reflectors
08/25/1993EP0556607A2 Distributed feedback laser diodes with selectively placed lossy sections
08/25/1993EP0556461A2 Semiconductor laser
08/25/1993EP0556317A1 Selective-emitting lasers
08/24/1993USRE34356 Semiconductor laser array
08/24/1993US5239600 Optical device with an optical coupler for effecting light branching/combining by splitting a wavefront of light
08/24/1993US5239550 Transistor lasers
08/24/1993US5239410 Method and apparatus for light amplification exhibiting a flat gain spectrum
08/24/1993US5239190 Light emitting device and method for manufacturing the same
08/24/1993US5239188 Single crystal of gallium-aluminum-indium nitride; suppresses occurrence of crystal defects; high crystallization; flatness
08/24/1993US5239013 Nonlinear optically active polymers
08/24/1993US5238868 Forming disordered region; annealing; diffusion of defects; intermixing at heterojunctions
08/24/1993US5238785 Method of manufacturing a diffraction grating for a semiconductor laser
08/24/1993US5238531 Increased power efficiency
08/24/1993CA1321499C Laser diode to fiber reflective coupling
08/24/1993CA1321484C Method of characterizing bistable semiconductor lasers