Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor substrate for a surface-emitting laser with improved high output and current supply, a surface-emitting laser, and a method for manufacturing the semiconductor substrate, at a low technical cost. SOLUTION: A semiconductor substrate (1), comprising an active layer (4) for causing emission light to emerge and a current supply layer (6) having a current block region (12) and a current pass region (13) and emitting emission light, having the vertical emission direction, is provided for a surface-emitting laser equipped equipped with an external resonator, and the external resonator has a predetermined resonator volume (14) that overlaps with the current passing region (13). COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method, capable of reducing an influence of the quality of a substrate on optical and electrical qualities of a constituent element layer line, and to improve stability in a secular variation. SOLUTION: At least one continuous layer having one of the first group III-V compound semiconductor material layers and one of the second group III-V compound semiconductor material layers is attached to a substrate or a buffer layer, before the epitaxial constituent element layer line is attached, wherein the first group III-V compound semiconductor material layers and the second group III-V compound semiconductor material layers have mutually different composition, and also include a first group of a group V elements and a second group of the group V elements. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an improved quasi-substrate having a lattice constant lower than the lattice constant of GaAs, and a semiconductor device comprising the quasi-substrate. SOLUTION: On a semiconductor substrate (1) made of GaAs, semiconductor layer arrangements (2, 13, 14, and 35) are given. The semiconductor layer arrangements (2, 13, 14, and 35) comprise many semiconductor layers of Al 1-y Ga y As 1-x P x [in the formula, 0≤x≤1, 0≤y≤1]. In this regard, some semiconductor layers comprise phosphorous proportion x. The proportion is larger than proportion in an adjacent semiconductor layer both in the growth direction of the semiconductor layer arrangement and under it. The invention comprises a semiconductor device comprising the substrate. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation:要解决的问题:提供具有低于GaAs的晶格常数的晶格常数的改进的准衬底,以及包括准衬底的半导体器件。 解决方案:在由GaAs制成的半导体衬底(1)上,给出半导体层布置(2,13,14和35)。 半导体层布置(2,13,14和35)包括许多半导体层,其中,Al 1-x SB> P x SB>在式中,0≤x≤1,0≤y≤1]。 在这方面,一些半导体层包括磷比例x。 在半导体层布置的生长方向和其下方的相邻半导体层中的比例大于比例。 本发明包括一种包括该衬底的半导体器件。 版权所有(C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To improve the degree of confinement of charge carrier in a radiation forming semiconductor body of InGaAlP base. SOLUTION: At least one side of confinement layers comprises In x Al y Ga 1-x-y P u N 1-u [0≤x≤1, 0≤y≤1, 0≤x+y≤1 and 0≤u z In x Al y Ga 1-x-y-z P u N 1-u [0≤x≤1, 0≤y≤1, 0 COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation:要解决的问题:提高InGaAlP基体的辐射形成半导体体中的载流子的限制程度。 解决方案:约束层的至少一侧包括:在 u> b> sub> SB> &lt;&lt; SB&gt; [0≤x≤1,0≤y≤1,0≤x+y≤1且0≤u<1],和/或B SB>在 X SB>铝ý SB> GA 1-XYZ SB> P û SB>名词 1-U SB > [0≤x≤1,0≤y≤1,0
Abstract:
PROBLEM TO BE SOLVED: To reduce the diffusion of p-type dopants to an active layer efficiently by providing a light emitting photoelectric semiconductor chip comprising an improved diffusion barrier. SOLUTION: A first undoped layer and a second undoped layer contain aluminum. The first undoped layer has an aluminum component y1. The second undoped layer has an aluminum component y2. The amount of the aluminum component y1 of the first undoped layer is larger than the amount of the aluminum component y2 of the second undoped layer. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a semiconductor laser, having an improved lateral guide which is suitable for optical pumping of a quantum well structure 7 in the semiconductor laser, provided with a semiconductor substrate 1 having a periodical arrangement of a recess incoming portion 2 or formed by a periodical arrangement of a semiconductor area in the semiconductor substrate. SOLUTION: A beam generated by the semiconductor laser cannot be propagated in the periodical arrangement, and a resonator 3 of the semiconductor laser lacks periodical arrangement in the lateral direction. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide laser that can perform an efficient pumping mechanism with only a slight loss. SOLUTION: The wavelength λ p and the incident angle α p of pumping light are specified so that the pumping light may be absorbed primarily inside a quantum well. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract translation:要解决的问题:提供只能轻微损耗的能够执行有效泵送机构的激光器。 解决方案:指定泵浦光的波长λ p SB>和入射角α p SB>,使得泵浦光主要被吸收在量子阱内。 版权所有(C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a means capable of exciting an organic semiconductor laser without any external laser source which requires high cost and much space, and a method of manufacturing such an organic semiconductor. SOLUTION: An optical pump source is integrally connected to an organic semiconductor laser. Advantageously, the pump source and the organic semiconductor laser are fixedly connected to each other to form a unit. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation emission element which can actualize relatively high luminance in a desired spatial direction, in a desired polarization direction or at a desired wavelength. SOLUTION: The radiation emission element according to the present invention is based on a semiconductor material and comprises a layer stack having an active layer sequence for producing a radiation emission element and a filter element placed at a rear side of the active layer sequence as seen from a radiation direction, and is configured in such a manner that the filter element emits a first emission component and reflects a second emission component within the layer stack, the second reflection component, after being reflected at the filter element, is subjected to deflection process or absorption emission process, and the radiation deflected or emitted is supposed to come into the filter element again. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To improve a semiconductor laser device to modulate an output power at a high speed. SOLUTION: A surface emission semiconductor laser device is provided with a perpendicular emitter (20) that can be optically pumped, which is provided with at least one modulation beam source (30) to modulate an output power of the surface emission semiconductor laser device that is a type having a beam formation layer (14). The modulation beam source includes an edge radiation semiconductor structure (15) having an active layer forming a beam, and the modulation beam source is arranged to radiate a beam from the semiconductor laser device during operation. The generated beam is inputted in the active layer (14) for forming the beam of the perpendicular emitter (20) and is joined with it. COPYRIGHT: (C)2004,JPO