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Class Information
Number: 372/50.11
Name: Coherent light generators > Particular active media > Semiconductor > Injection > Monolithic integrated > With diffraction grating (bragg reflector)
Description: Subject matter wherein the semiconductor includes a series of very fine, closely spaced parallel slits, or of very narrow, parallel reflecting surfaces to produce a succession of spectra when light is incident thereon at a specific angle.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
4873691 Wavelength-tunable semiconductor laser Oct. 10, 1989
4873696 Surface-emitting lasers with periodic gain and a parallel driven nipi structure Oct. 10, 1989
4870649 Tranverse mode control in solid state lasers Sep. 26, 1989
4869568 Arrangement comprising a planarly extending thin-film waveguide Sep. 26, 1989
4864585 External cavity type semiconductor laser apparatus Sep. 5, 1989
4859628 Interrupted liquid phase epitaxy process Aug. 22, 1989
4852108 Wavelength tunable semiconductor laser with narrow band-pass active filter region Jul. 25, 1989
4852116 Semiconductor laser device Jul. 25, 1989
4849985 Distributed feedback semiconductor laser device Jul. 18, 1989
4843032 Process for producing a DFB laser with a diffraction grating superlattice Jun. 27, 1989
4829535 Variable wavelength semiconductor laser May. 9, 1989
4817104 Semiconductor laser array device Mar. 28, 1989
4817105 Integrated laser device with refractive index modulator Mar. 28, 1989
4815090 Distributed feedback semiconductor laser with monitor Mar. 21, 1989
4813054 Distributed feedback laser Mar. 14, 1989
4809288 Hybrid Y-junction laser array Feb. 28, 1989
4805183 Distributed feedback semiconductor laser device Feb. 14, 1989
4796273 Distributed feedback semiconductor laser Jan. 3, 1989
4794618 Distributed feedback laser diode Dec. 27, 1988
4788690 Distributed feedback semiconductor laser with monitor Nov. 29, 1988
4787086 High-power, fundamental transverse mode laser Nov. 22, 1988
4775980 Distributed-feedback semiconductor laser device Oct. 4, 1988
4773075 Light emitting device Sep. 20, 1988
4754459 Semiconductor lasers Jun. 28, 1988
4745615 Semiconductor laser device with a diffraction grating May. 17, 1988
4745616 Semiconductor laser device with a diffraction grating May. 17, 1988
4740987 Distributed-feedback laser having enhanced mode selectivity Apr. 26, 1988
4722092 GaInAsP/InP distributed feedback laser Jan. 26, 1988
4720835 Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output Jan. 19, 1988
4704720 Distributed-feedback semiconductor laser Nov. 3, 1987
4701930 Distributed feedback semiconductor laser Oct. 20, 1987
4675877 Bragg distributed feedback surface emitting laser Jun. 23, 1987
4675876 Bragg distributed feedback surface emitting laser Jun. 23, 1987
4674100 Bistable optical device Jun. 16, 1987
4670093 Method for manufacturing a surface grating of a defined grating constant on regions of a mesa structure Jun. 2, 1987
4665527 Distributed feedback semiconductor laser May. 12, 1987
4658403 Optical element in semiconductor laser device having a diffraction grating and improved resonance characteristics Apr. 14, 1987
4656636 Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate Apr. 7, 1987
4653059 Distributed feedback semiconductor laser Mar. 24, 1987
4653058 Distributed feedback semiconductor laser with monitor Mar. 24, 1987
4648096 Distributed feedback semiconductor laser Mar. 3, 1987
4589115 Wavelength tuning of quantum well heterostructure lasers using an external grating May. 13, 1986
4583227 Temperature compensating semiconductor lasers Apr. 15, 1986
4575851 Double channel planar buried heterostructure laser with periodic structure formed in guide layer Mar. 11, 1986
4573163 Longitudinal mode stabilized laser Feb. 25, 1986
4571727 Far-infrared electromagnetic wave generator Feb. 18, 1986
4553239 Distributed feedback semiconductor laser Nov. 12, 1985
4516243 Distributed feedback semiconductor laser May. 7, 1985
4479224 Fiber-coupled external cavity semiconductor laser Oct. 23, 1984
4464762 Monolithically integrated distributed Bragg reflector laser Aug. 7, 1984

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