Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
08/1990
08/21/1990US4951289 Semiconductor laser
08/21/1990US4950622 Forming angled mirror reflective face during epitaxy process
08/21/1990CA2010503A1 Semiconductor laser assembly
08/16/1990EP0382036A2 Epitaxial film growth using low pressure MOCVD
08/16/1990DE4004749A1 Laser diode with double hetero-structure and side current limiting - has active layer with strip formed profile aligned with blocking layer
08/15/1990CN1009232B Double injection field effect transistors
08/14/1990US4949352 Laser manufacture
08/14/1990US4949351 Surface-emitting semiconductor laser and manufacturing method of same
08/14/1990US4949350 Surface emitting semiconductor laser
08/14/1990US4949349 Double-heterostructure semiconductor with mesa stripe waveguide
08/14/1990US4948960 Dual mode light emitting diode/detector diode for optical fiber transmission lines
08/14/1990US4948753 Method of producing stripe-structure semiconductor laser
08/14/1990CA1272792A1 Optical system
08/14/1990CA1272791A1 Optical coupling assembly
08/09/1990WO1990009047A1 Integrated optical semiconductor device and method of producing the same
08/08/1990EP0381521A2 A semiconductor laser device and a method for the production of the same
08/08/1990EP0380983A2 Semiconductor optical switch and array of the same
08/08/1990EP0380551A1 Optical package
08/08/1990EP0185051B1 Semiconductor devices with buried heterostructure
08/07/1990US4947458 Optical transmitter utilizing a bistable distributed feedback semiconductor laser
08/07/1990US4947401 Semiconductor laser array
08/07/1990US4947400 Semiconductor apparatus
08/07/1990US4947238 Multilayer; substrate, gold or silver barrier, metal alloy solder containing tin, silver and/or antimony
08/07/1990US4947223 Semiconductor devices incorporating multilayer interference regions
08/07/1990US4947134 Lightwave systems using optical amplifiers
08/07/1990US4946802 Forming ridges in top surface, then recesses; epitaxial growing cladding and active material
08/07/1990US4946553 Apparatus for interfacing an optical fiber to an optical source
08/01/1990EP0380380A1 Method of producing a nearly plane semiconductor device capable of multi-wavelength laser emission, and device therefor
08/01/1990EP0380322A2 Semi-conductor lasers
08/01/1990EP0380243A2 Distributed bragg reflector laser for frequency modulated communication systems
08/01/1990EP0380242A2 Distributed feedback laser for frequency modulated communication systems
08/01/1990EP0380221A2 Ophthalmological measurement apparatus
08/01/1990EP0380106A2 Semiconductor emitting device and process for preparing the same
07/1990
07/31/1990US4945542 Laser diode modulator
07/31/1990US4945541 Method and apparatus for controlling the bias current of a laser diode
07/31/1990US4945391 Semiconductor device housing with laser diode and light receiving element
07/31/1990US4945315 Method of and apparataus for projecting a laser beam into light amplifier
07/31/1990US4944838 Method of making tapered semiconductor waveguides
07/31/1990US4944811 Optical fibers
07/31/1990US4944569 Multi-fiber alignment package for optoelectronic components
07/26/1990WO1990008305A1 Process and arrangement for measuring the line width of laser diodes
07/25/1990EP0379359A2 A composite material
07/25/1990EP0379325A2 Light emitting device
07/25/1990EP0379026A2 Laser diode transmitter having a protection and alarm circuit
07/25/1990EP0378919A2 High band-gap opto-electronic device and method for making same
07/25/1990EP0378750A1 Crosshandled guard baton (A)
07/25/1990CN1044193A Miniature blue-green laser source using second-harmonic generation
07/24/1990US4943971 Low tuning rate single mode PbTe/PbEuSeTe buried heterostructure tunable diode lasers and arrays
07/24/1990US4943970 Surface emitting laser
07/24/1990US4943782 Four-pass phase conjugate optical amplifier system and method
07/18/1990EP0378447A1 Semiconductor laser amplifiers
07/18/1990EP0378098A2 Semiconductor optical device
07/18/1990EP0378061A2 Apparatus and method for producing blue-green light radiation
07/18/1990EP0377948A2 An optical amplifying device
07/18/1990EP0377940A2 Compound semiconductor material and semiconductor element using the same and method of manufacturing the semiconductor element
07/18/1990EP0177617B1 Junction semiconductor light-emitting element
07/17/1990US4942585 High power semiconductor laser
07/17/1990US4942584 Semiconductor laser apparatus driving system
07/17/1990US4942583 Misalignment-tolerant, grating-tuned external-cavity laser
07/17/1990US4942568 Optical transmission device
07/17/1990US4942366 Amplifier device with coupled surface emitting grating
07/17/1990US4941738 Polarization independent optical amplifier apparatus
07/17/1990CA1271830A1 Opto-electronic device with anti-reflection coating
07/14/1990WO1990008411A1 Semiconductor laser amplifiers
07/12/1990DE3900641A1 Laser array
07/11/1990EP0377281A1 Method of growing epitaxial layers
07/10/1990US4941148 Semiconductor laser element with a single longitudinal oscillation mode
07/10/1990US4941146 Semiconductor laser device
07/10/1990US4941025 Quantum well semiconductor structures for infrared and submillimeter light sources
07/10/1990US4941024 Semiconductor apparatus
07/10/1990US4940330 Laser Doppler anemometer
07/10/1990CA1271550A1 Semiconductor light emitting device with vertical light emission
07/04/1990EP0376753A2 A semiconductor laser device
07/04/1990EP0376752A2 A semiconductor laser device
07/04/1990EP0376555A2 Laser control method and circuitry
07/03/1990US4939743 Semiconductor laser device
07/03/1990US4939737 Scanning apparatus with refracting area of variable refractive index
07/03/1990US4939474 Semiconductor optical amplifier with shortened gain recovery time
06/1990
06/28/1990WO1990007141A1 Phase modulation
06/27/1990EP0375564A1 Semiconductor device having a buffer structure for eliminating defects from a semiconductor layer grown thereon
06/27/1990EP0375426A2 Semiconductor optical device
06/27/1990EP0375356A2 Laser diode unit
06/27/1990EP0375253A2 Saturated semiconductor laser amplifier for compensation of optical fiber dispersion
06/27/1990EP0375231A2 Silicon-based mounting structure for semiconductor optical devices
06/27/1990EP0375021A1 Tunable semiconductor diode laser with distributed reflection and method of manufacturing such a semiconductor diode laser
06/27/1990EP0374607A1 Apparatuses for the determination of movement of an airborne vehicle in the atmosphere
06/26/1990US4937836 Semiconductor laser device and production method therefor
06/26/1990US4937835 Semiconductor laser device and a method of producing same
06/26/1990US4937660 Silicon-based mounting structure for semiconductor optical devices
06/26/1990US4937638 Edge emitting light emissive diode
06/26/1990CA1270933A1 Bipolar inversion channel device
06/26/1990CA1270932A1 Electro-optic device having a semiconductor, and method for emitting light
06/20/1990EP0373945A1 Phase modulation
06/20/1990EP0373933A2 Manufacturing method of semiconductor laser with non-absorbing mirror structure
06/20/1990EP0373637A2 InP/GalnAsP double heterostructure laser diode with buried active layer, and method for its production
06/20/1990EP0373541A2 Optical transistor
06/20/1990EP0373225A1 Optical semiconductor device and production thereof
06/19/1990US4935939 Surface emitting laser with monolithic integrated lens
06/19/1990US4935936 Semiconductor structure with flared mesa burying layers
06/19/1990US4935935 Wavelength tunable electronic and electrooptical semiconductor devices