A novel high sensitivity CE-PTHPT for optical fiber communication

Planar punch through heterojunction phototransistors with a novel emitter control electrode and ion- implanted isolation (CE-PTHPT) are investigated. The phototransistors have a working voltage of 3-10V and high sensitivity at low input power. The base of the transistor is completely depleted under operating condition. Base current is zero. The CE-PTHPT has an increased speed and a decreased noise. The novel CE-PTHPT has been fabricated in this paper. The optical gain of GaAlAs/GaAs CE-PTHPT for the incident light power 1.3 and 43nw with the wavelength of 0.8 mu m reached 1260 and 8108. The input noise current calculated is 5.46 x 10(-16) A/H-z(1/2). For polysilicon emitter CE-PTHPT, the optical gain is 3083 at the input power of 0.174 mu w. The optical gain of InGaAs/InP CE-PTHPT reaches 350 for an incident power of 0.3 mu w at the wavelength of 1.55 mu m. The CE-PTHPT detectors is promising as photo detectors for optical fiber communication system.

Planar punch through heterojunction phototransistors with a novel emitter control electrode and ion- implanted isolation (CE-PTHPT) are investigated. The phototransistors have a working voltage of 3-10V and high sensitivity at low input power. The base of the transistor is completely depleted under operating condition. Base current is zero. The CE-PTHPT has an increased speed and a decreased noise. The novel CE-PTHPT has been fabricated in this paper. The optical gain of GaAlAs/GaAs CE-PTHPT for the incident light power 1.3 and 43nw with the wavelength of 0.8 mu m reached 1260 and 8108. The input noise current calculated is 5.46 x 10(-16) A/H-z(1/2). For polysilicon emitter CE-PTHPT, the optical gain is 3083 at the input power of 0.174 mu w. The optical gain of InGaAs/InP CE-PTHPT reaches 350 for an incident power of 0.3 mu w at the wavelength of 1.55 mu m. The CE-PTHPT detectors is promising as photo detectors for optical fiber communication system.

于2010-10-29批量导入

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Beijing Normal Univ, Inst Low Energy Nucl Phys, Key Lab Beam Technol & Mat Modificat, Beijing 100875, Peoples R China; Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China; Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China

SPIE.; China Opt & Optoelectr Manufacturers Assoc.; Minist Informat Ind.; China Inst Commun.; NEL NTT Electr Corp.; Credit Suisse First Boston Technol Grp.; China Telecom.; Huawei Technologies.; ZTE Corp.; SANY Optilayer Co Ltd.; Dateng Telecom.; Photon Technol.; O Net Commun Ltd.; China Minist Sci & Technol.; Alcatel.; Corning.; Australia Opt Soc.; Beijing Univ Posts & Telecommun.; Korea Assoc Photon Ind Dev.; Optoelectr Ind Dev Assoc.; Optoelectr Ind & Technol Dev Assoc.; Opt Soc India.; Opt Soc Japan.; Opt Soc Korea.; Photon Ind Dev Assoc.; Photon Assoc.; SPIE Asia Pacific Chapters.; SPIE Tech Grp Opt Networks.; Tsinghua Univ.