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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
5602864 Semiconductor laser with integral spatial mode filter Feb. 11, 1997
5592503 Semiconductor laser with integral spatial mode filter Jan. 7, 1997
5590145 Light-emitting apparatus capable of selecting polarization direction, optical communication system, and polarization modulation control method Dec. 31, 1996
5585648 High brightness electroluminescent device, emitting in the green to ultraviolet spectrum, and method of making the same Dec. 17, 1996
5581572 Wavelength-tunable, distributed bragg reflector laser having selectively activated, virtual diffraction gratings Dec. 3, 1996
5579327 External-cavity tunable wavelength light source using semiconductor laser having phase adjustment area Nov. 26, 1996
5568499 Optical device with low electrical and thermal resistance bragg reflectors Oct. 22, 1996
5565694 Light emitting diode with current blocking layer Oct. 15, 1996
5563902 Semiconductor ridge waveguide laser with lateral current injection Oct. 8, 1996
5561682 Semiconductor optical device and method for fabricating the same Oct. 1, 1996
5557700 Semiconductor optical device utilizing nonlinear optical effect Sep. 17, 1996
5553091 Optical component having a plurality of bragg gratings and process for the production of said components Sep. 3, 1996
5548607 Article comprising an integrated laser/modulator combination Aug. 20, 1996
5541945 Wavelength-tunable semiconductor laser Jul. 30, 1996
5539766 Distributed feedback semiconductor laser Jul. 23, 1996
5537432 Wavelength-stabilized, high power semiconductor laser Jul. 16, 1996
5530715 Vertical cavity surface emitting laser having continuous grading Jun. 25, 1996
5506859 Article comprising a DFB laser with loss coupling Apr. 9, 1996
5499261 Light emitting optical device with on-chip external cavity reflector Mar. 12, 1996
5497393 Semiconductor laser with super structure grating distributed Bragg reflector Mar. 5, 1996
5459747 Semiconductor optical devices Oct. 17, 1995
5459746 Surface emission type semiconductor light-emitting device Oct. 17, 1995
5450432 Semiconductor distributed feedback laser emitting device improved in mutual modulation distortion Sep. 12, 1995
5440576 Branched MOPA device with phased array of amplifiers Aug. 8, 1995
5436919 Multiwavelength upconversion waveguide laser Jul. 25, 1995
5434434 Semiconductor optical device having device regions and diffraction gratings Jul. 18, 1995
5430750 Method and device for semiconductor laser with controlled thickness of protective and optical films Jul. 4, 1995
5428635 Multi-wavelength tunable laser Jun. 27, 1995
5424559 Surface emitting photonic switching structure Jun. 13, 1995
5408486 Surface emitting laser provided with light modulator Apr. 18, 1995
5394429 Distributed-feedback laser with improved analog modulation distortion characteristics and method for fabricating the same Feb. 28, 1995
5392308 Semiconductor laser with integral spatial mode filter Feb. 21, 1995
5379318 Alternating grating tunable DBR laser Jan. 3, 1995
5373519 Semiconductor laser device, an optical device and a method of producing the same Dec. 13, 1994
5363397 Integrated short cavity laser with bragg mirrors Nov. 8, 1994
5357538 Distributed feedback laser structure Oct. 18, 1994
5353295 Semiconductor laser device with coupled cavities Oct. 4, 1994
5351256 Electrically injected visible vertical cavity surface emitting laser diodes Sep. 27, 1994
5345466 Curved grating surface emitting distributed feedback semiconductor laser Sep. 6, 1994
5333219 Asymmetric Y-branch optical device Jul. 26, 1994
5329542 Distributed feedback lasers Jul. 12, 1994
5327450 Optical semiconductor device and process of prodcuing same Jul. 5, 1994
5325392 Distributed reflector and wavelength-tunable semiconductor laser Jun. 28, 1994
5321716 Distributed Feedback semiconductor laser with controlled phase shift Jun. 14, 1994
5319655 Multiwavelength laterally-injecting-type lasers Jun. 7, 1994
5319666 Article comprising a distributed feedback laser Jun. 7, 1994
5314838 Method for making a semiconductor laser May. 24, 1994
5305343 Highly coupled superlattice integrated laser-modulator component Apr. 19, 1994
5303255 Distributed feedback semiconductor laser device and a method of producing the same Apr. 12, 1994
5299212 Article comprising a wavelength-stabilized semiconductor laser Mar. 29, 1994

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