Patents
Patents for H01S 5 - Semiconductor lasers (52,420)
05/1988
05/05/1988WO1988003266A1 Optical apparatus and method
05/03/1988US4742526 Semiconductor laser array device
05/03/1988US4742525 Coupled laser diode arrangement
05/03/1988US4742506 Tracking error detecting apparatus for an optical head with skew error reduction by using an inclined header portion
05/03/1988US4742378 Junction-type semiconductor light emitting device with mesa
05/03/1988US4742307 Optical amplification device with noise filter function
05/03/1988US4742013 Process for the production of a semiconductor laser with tape geometry and laser obtained by this process
04/1988
04/28/1988DE3635686A1 Light-emitting semiconductor structure
04/26/1988US4740987 Distributed-feedback laser having enhanced mode selectivity
04/26/1988US4740978 Integrated quantum well lasers having uniform thickness lasing regions for wavelength multiplexing
04/26/1988US4740977 Continuously emitting lazer light of short wavelenths
04/26/1988US4740976 Semiconductor laser device
04/26/1988US4740974 Optical amplifiers
04/26/1988US4739546 Laser element assembly and method of fabricating the same
04/20/1988EP0264335A1 Coupling module for a semiconductor laser with an optical fibre, and alignment method for this semiconductor device and this fibre
04/20/1988EP0264225A2 A semiconductor laser device and a method for the production of the same
04/20/1988EP0264222A2 Selective intermixing of layered structures composed of thin solid films
04/20/1988EP0263931A2 Method and device for measuring continuously the concentration of a gas component
04/20/1988CN87106894A Selective intermixing of layered structures composed on thin solid films
04/19/1988US4739508 Unstable resonator diode laser
04/19/1988US4739507 Diode end pumped laser and harmonic generator using same
04/14/1988DE3636054C1 Integrated circuit and its use
04/13/1988EP0263709A2 A semiconductor laser array apparatus
04/13/1988EP0263690A2 A distributed feedback semiconductor laser device
04/13/1988EP0263640A2 Interlayer directional coupling in antiresonant reflecting optical waveguides
04/13/1988EP0263613A2 An optical mixer for upconverting or downconverting an optical signal
04/12/1988US4737962 Compound resonator type semiconductor laser device
04/12/1988US4737961 Semiconductor laser with complementary mesa structures
04/12/1988US4737960 Wavelength determined by rare earth element, increased efficiency
04/12/1988US4737959 Semiconductor laser array device
04/12/1988US4737798 Laser diode mode hopping sensing and control system
04/12/1988US4737237 Process for producing a buried strip semiconductor laser with or without a defractive network
04/07/1988WO1988002557A1 Modulation doped radiation emitting semiconductor device
04/06/1988EP0262713A1 Method of pulse-mode driving of a semi-conductor laser, driving device for a semi-conductor laser and laser-writing apparatus provided with such a driving device
04/06/1988EP0262440A2 Method of producing a stripe waveguide in an epitaxial hetero-layer structure
04/06/1988EP0262439A2 Laser transmitter comprising a semi-conductor laser and an external resonator
04/06/1988EP0262438A2 Semiconductor laser transmitter with a frequency-selective directional fibre coupler as an external resonator
04/06/1988EP0262435A2 Narrow-band laser transmitter with an external resonator, the output power being extractable from the resonator
04/05/1988US4736380 For producing an optical pulse
04/05/1988US4736231 Semiconductor laser device having a semiconductor substrate, a laser chip thereon and spaced photo-detecting portions
04/05/1988US4736164 Optical amplification
03/1988
03/30/1988EP0261943A1 Semiconductor structures and a method of manufacturing semiconductor structures
03/30/1988EP0261875A2 Rare earth doped semiconductor laser
03/30/1988EP0261408A2 Laser including monolithically integrated planar devices and processes for their preparation
03/30/1988EP0261262A1 Transverse junction stripe laser
03/29/1988US4734914 Stabilized laser apparatus
03/29/1988US4734910 Self mode locked semiconductor laser diode
03/29/1988US4734387 Growth of semiconductors on a shaped semiconductor substrate
03/29/1988US4734385 Semiconductor laser element suitable for production by a MO-CVD method
03/29/1988US4734380 Multicavity optical device held together by metallic film
03/24/1988WO1988002187A1 Semiconductor structures and a method of manufacturing semiconductor structures
03/23/1988EP0260909A2 Semiconductor light-emitting device and method of manufacturing the same
03/23/1988EP0260476A2 Monolithically integrated planar lasers differing in emission wavelengths and processes for their preparation
03/23/1988EP0260475A2 A process for forming a positive index waveguide
03/23/1988EP0260439A2 Semiconductor light emission system
03/22/1988US4733399 Semiconductor laser device having integral optical output modulator
03/22/1988US4733398 Apparatus for stabilizing the optical output power of a semiconductor laser
03/22/1988US4733253 Apparatus and method for detecting and eliminating diode laser mode hopping
03/22/1988US4733067 Semiconductor laser apparatus for optical head
03/17/1988DE3630105A1 Method for producing a double-hetero-structure injection laser
03/16/1988EP0259919A1 DFB laser with anti-reflection layer
03/16/1988EP0259909A2 Optical transmitter comprising a semiconductor laser and an external resonator
03/16/1988EP0259888A2 Semiconductor laser module
03/16/1988EP0259816A2 Method for bonding semiconductor laser element and apparatus therefor
03/15/1988US4731792 Semiconductor laser device with decreased light intensity noise
03/15/1988US4731791 Buried hetero-structure laser diode
03/15/1988US4731790 Semiconductor laser chip having a layer structure to reduce the probability of an ungrown region
03/15/1988US4731789 Waveguides
03/15/1988US4731787 Monolithic phasematched laser harmonic generator
03/15/1988US4731345 Method of making a semiconductor laser by continuous liquid phase epitaxy with out-diffusion from one or more adjacent layers
03/15/1988US4731344 Method of making a single heterostructure laser chip having sawn cavities and secondary saw cuts
03/15/1988US4731338 Method for selective intermixing of layered structures composed of thin solid films
03/09/1988EP0259026A2 Double-heterostructure semiconductor laser with mesa stripe waveguide
03/09/1988EP0259018A1 Optoelectronics package for a semiconductor laser
03/09/1988EP0258665A2 Semiconductor laser device
03/08/1988US4730330 Integrated structure for bi-directional optical fiber transmission
03/08/1988US4730329 Semiconductor laser device
03/08/1988US4730328 Window structure semiconductor laser
03/08/1988US4730327 Dual channel fabry-perot laser
03/08/1988US4730326 Semiconductor laser array device
03/08/1988US4730325 Two-dimensional phase locked semiconductor laser array
03/08/1988US4730112 Oxygen measurement using visible radiation
03/02/1988EP0258060A2 Light quantity control device
03/02/1988EP0257898A2 External resonator type semiconductor laser
03/02/1988EP0257531A2 Array of optical resonators
03/02/1988EP0049286B1 Methods of producing sheets of crystalline material and devices amde therefrom
03/01/1988US4728989 Electrostatic latent image forming apparatus using semiconductor laser
03/01/1988US4728628 Semiconductors
03/01/1988US4728625 Etching surface and upper portion of groove walls
03/01/1988US4728188 Light source degeradation detecting apparatus for laser device
03/01/1988US4728168 High scattering, fast modulation
03/01/1988CA1233504A1 Driver circuit for laser diode
02/1988
02/24/1988EP0256664A1 Distributed-feedback type semiconductor laser devices
02/23/1988US4727557 Phased array semiconductor lasers fabricated from impurity induced disordering
02/23/1988US4727556 Dopants; wave guides
02/23/1988US4727555 Wavelength tuned quantum well lasers
02/23/1988US4727457 Surface-mounted optoelectronic device
02/23/1988US4727403 Double heterojunction semiconductor device with injector
02/23/1988US4727341 Optical modulator
02/23/1988US4727047 Separable from a reusable substrate