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Class Information
Number: 372/44.01
Name: Coherent light generators > Particular active media > Semiconductor > Injection
Description: Subject matter wherein the semiconductor includes a p-n junction which converts forward-bias electrical input directly into coherent optical output power via a process of stimulating emmission in the region near the junction.










Sub-classes under this class:

Class Number Class Name Patents
372/44.011 Crystal orientation 116
372/50.1 Monolithic integrated 1,327
372/49.01 Particular coating on facet 320
372/45.01 Particular confinement layer 2,263
372/46.01 Particular current control structure 1,805


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8693515 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Apr. 8, 2014
8693516 Semiconductor surface light-emitting element and method of manufacturing thereof Apr. 8, 2014
8681830 Interband cascade laser amplifier medium Mar. 25, 2014
8659038 Semiconductor light source and method of fabrication thereof Feb. 25, 2014
8654807 Electrical devices formed using ternary semiconducting compounds Feb. 18, 2014
8638827 High-power semiconductor laser and method for manufacturing the same Jan. 28, 2014
8634442 Optical device structure using GaN substrates for laser applications Jan. 21, 2014
8630325 Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatus Jan. 14, 2014
8625648 Edge-emitting semiconductor laser Jan. 7, 2014
8619830 Photonic crystal surface emission laser Dec. 31, 2013
8619831 Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module Dec. 31, 2013
8615026 Method of manufacturing semiconductor optical device, method of manufacturing semiconductor optical laser element, and semiconductor optical device Dec. 24, 2013
8610104 Nanotube array injection lasers Dec. 17, 2013
8605769 Semiconductor laser device and manufacturing method thereof Dec. 10, 2013
8599894 Semiconductor laser manufacturing method and semiconductor laser Dec. 3, 2013
8588265 Semiconductor laser element and manufacturing method of the same Nov. 19, 2013
8558245 Optical semiconductor device having ridge structure formed on active layer containing p-type region and its manufacture method Oct. 15, 2013
8559478 Hybrid silicon laser-quantum well intermixing wafer bonded integration platform for advanced photonic circuits with electroabsorption modulators Oct. 15, 2013
8514904 Nitride semiconductor laser diode Aug. 20, 2013
8509276 Plasmon lasers at deep subwavelength scale Aug. 13, 2013
8503498 Multi-beam semiconductor laser apparatus Aug. 6, 2013
8498318 Light emitting system according to a polariton mode with electrical injection of quantum wells Jul. 30, 2013
8483256 Laser diode element assembly and method of driving the same Jul. 9, 2013
8477818 Gallium nitride-based semiconductor laser device, and method for fabricating gallium nitride-based semiconductor laser device Jul. 2, 2013
8472491 Semiconductor laser device Jun. 25, 2013
8467427 Light emitting and receiving device Jun. 18, 2013
8462822 Method of and photonic device for eliminating or substantially reducing sensitivity to polarization of an injected optical signal and method of manufacturing such photonic device Jun. 11, 2013
8451875 Vertical cavity surface emitting laser having strain reduced quantum wells May. 28, 2013
8451874 Very large mode slab-coupled optical waveguide laser and amplifier May. 28, 2013
8416821 Surface emitting laser element, surface emitting laser array, optical scanning unit, image forming apparatus and method of manufacturing surface emitting laser element Apr. 9, 2013
8416822 Manufacturing method, surface-emitting laser device, surface-emitting laser array, optical scanner, and image forming apparatus Apr. 9, 2013
8405066 Nitride-based semiconductor light-emitting device Mar. 26, 2013
8385378 Interband cascade lasers Feb. 26, 2013
8369371 Passivated semiconductor surfaces Feb. 5, 2013
8369370 Laser light source and method for producing a laser light source Feb. 5, 2013
8363687 Vertical cavity surface emitting laser Jan. 29, 2013
8358674 Semiconductor laser element and method of manufacturing thereof Jan. 22, 2013
8351472 Semiconductor light emitting element and tunable wavelength laser light source Jan. 8, 2013
8325775 Efficient carrier injection in a semiconductor device Dec. 4, 2012
8311072 Surface emitting laser array and production method therefor Nov. 13, 2012
8290011 Interband cascade lasers Oct. 16, 2012
8279905 Method of manufacturing semiconductor optical element Oct. 2, 2012
8275013 Semiconductor laser device and method of manufacturing the same Sep. 25, 2012
8265113 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Sep. 11, 2012
8254426 Surface emitting semiconductor component, and laser device including such component Aug. 28, 2012
8249122 Spatial filters Aug. 21, 2012
8238397 Semiconductor laser device Aug. 7, 2012
8223814 Semiconductor laser Jul. 17, 2012
8213477 Semiconductor laser and method of manufacturing the same Jul. 3, 2012
8204092 Injector emitter Jun. 19, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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