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    • 4. 发明公开
    • Integrated avalanche germanium photodetector
    • Integrierter律师事务所
    • EP3038167A1
    • 2016-06-29
    • EP15152513.6
    • 2015-01-26
    • IMEC VZWUniversiteit Gent
    • Chen, HongtaoVan Campenhout, JorisRoelkens, Günther
    • H01L31/107H01L31/18
    • H01L31/107G02B6/42H01L31/02327H01L31/028H01L31/03529H01L31/105H01L31/1808Y02E10/50
    • An integrated avalanche photodetector and a method for fabrication thereof. The integrated avalanche photodetector 100 comprises a Ge body 110 adapted to conduct and optical mode. The Ge body 110 comprises a first p-doped region 120, for the absorption of an optical mode. The first p-doped region 120 extends from a first main surface 111 to a second main surface 112 of the Ge body 110. The Ge body 110 comprises a first n-doped region 130 that extends from the first main surface 111 towards the second main surface 112 of the Ge body 110. An intrinsic region 115 occupies the undoped part of the Ge body 110. A first avalanche junction is formed by the first n-doped region 130 that is located aside the p-doped region 120. The Ge body 110 comprises an incidence surface 310, suitable for receiving an optical mode 300. The incidence surface 310 is perpendicular to the first avalanche junction. A second n-doped Ge region 140 that covers the Ge body 110 and forms a second PN avalanche junction with the first p-doped region 120 at the first main surface 111.
    • 集成雪崩光电探测器及其制造方法。 集成雪崩光电检测器100包括适于导电和光学模式的Ge体110。 Ge体110包括用于吸收光学模式的第一p掺杂区域120。 第一p掺杂区域120从Ge体110的第一主表面111延伸到第二主表面112.Ge体110包括从第一主表面111朝向第二主表面111延伸的第一n掺杂区域130 Ge本体110的表面112.本征区115占据Ge体110的未掺杂部分。第一雪崩结由位于p掺杂区120旁边的第一n掺杂区130形成.Ge体 110包括适于接收光学模式300的入射表面310.入射表面310垂直于第一雪崩结。 覆盖Ge体110并与第一主表面111处的第一p掺杂区域120形成第二PN雪崩结的第二n掺杂Ge区域140。
    • 8. 发明公开
    • Method and system for a grating multiplexer with optical waveguide coupling
    • Verfahren und Systemfürein Gitter-Multiplexer mit optischer Wellenleiterkopplung
    • EP2000836A1
    • 2008-12-10
    • EP07075449.4
    • 2007-06-07
    • Interuniversitair Microelektronica CentrumUniversiteit GentGenexis B.V.
    • Roelkens, GüntherVan Thourhout, DriesBaets, RoelandVan Den Hoven, Gerard Nicolaas
    • G02B6/124G02B6/126G02B6/30G02B6/34H04B10/24
    • G02B6/29317G02B6/12007G02B6/126G02B6/30G02B6/34G02B6/4213G02B6/4215
    • An optical device for optically multiplexing or demultiplexing light of different predetermined wavelengths is provided, the optical device comprising at least one first waveguide (11) and at least one second waveguide (12) formed on a substrate (10), wherein the at least one first waveguide and the at least one second waveguide intersect at an intersection, comprising a diffraction grating structure (13) formed at the intersection. There exists a first wavelength or wavelength band traveling within the first waveguide (11) exciting the grating structure and being diffracted at an angle corresponding to an outcoupling direction and there exists a second wavelength or wavelength band, different from the first wavelength or wavelength band, traveling within the second waveguide (12) exciting the grating structure and being diffracted at an angle corresponding to the same outcoupling direction. The two radiation beams comprising radiation of two different wavelengths or wavelength bands are spatially separated into the optical waveguides (11 and 12) or combined into a single outcoupling direction, e.g. into a single optical coupling element, e.g. a single optical fiber (21). An optical device may be used in local access communications such as fiber to the home, office or curb applications.
    • 提供了用于光学地多路复用或解复用不同预定波长的光的光学装置,所述光学装置包括形成在基底(10)上的至少一个第一波导(11)和至少一个第二波导(12),其中所述至少一个 第一波导和所述至少一个第二波导在交叉点处相交,包括在交叉点处形成的衍射光栅结构(13)。 存在在第一波导(11)内行进的第一波长或波长带,激发光栅结构并以与出耦合方向对应的角度衍射,并且存在不同于第一波长或波长带的第二波长或波长带, 在激活光栅结构的第二波导(12)内行进并以对应于相同外耦合方向的角度被衍射。 包括两个不同波长或波长带的辐射的两个辐射束在空间上分离成光波导(11和12)或组合成单个外耦合方向,例如, 进入单个光耦合元件,例如。 单个光纤(21)。 光学设备可以用于本地接入通信,例如光纤到家庭,办公室或路边应用。