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Author:

谢红云 (谢红云.) | 马佩 (马佩.) | 刘硕 (刘硕.) | 高杰 (高杰.) | 吴佳辉 (吴佳辉.) | 刘芮 (刘芮.) | 张万荣 (张万荣.)

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incoPat zhihuiya

Abstract:

本发明提供了一种具有本征层结构的InGaAs/InP光敏晶体管红外探测器。该探测器衬底材料为InP,从衬底往上依次为:InP缓冲层、In0.53Ga0.47As集电区、In0.53Ga0.47As本征层、In0.53Ga0.47As基区、InP发射区、InP帽层、In0.53Ga0.47As欧姆接触层。集电极在In0.53Ga0.47As集电区台面上;基极和基区光窗口在In0.53Ga0.47As基区台面上;发射极在In0.53Ga0.47As欧姆接触层上。本发明的基区和集电区之间存在In0.53Ga0.47As本征层,在集电极偏置为2V时完全耗尽,大大增加了集电结耗尽层的厚度,使大部分进入探测器的入射光被集电结耗尽层吸收。在集电结耗尽层产生的光生电子‑空穴对被其中的强电场分离,从而产生光生电流。因此,本发明具有比无本征层探测器更高的量子效率和光生电流。

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Patent Info :

Type: 发明授权

Patent No.: CN201710436715.5

Filing Date: 2017-06-12

Publication Date: 2018-11-13

Pub. No.: CN107240616B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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