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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51710

Title: Investigation on Electro-Optical Switch Using Heterojunction Phototransistors with Double Emitter
Authors: Shao-Yen Chiu
Chung-Hsien Wu
Jung-Hui Tsai
Wen-Shiung Lour
Contributors: 國立臺灣海洋大學電機工程學系
Keywords: compound semiconductor
optical gain
logic swing
Date: 2008
Issue Date: 2018-12-21T01:21:20Z
Publisher: IEEE Electron Device Lett
Abstract: Abstract: The dynamic performance of a dual-emitter phototransistor (DEPT) was studied. In the static case of a DEPT under a 12.5 muW optical power, the emitter-induced gain effect from photocurrent modulation improves collector photocurrent (88 to 129 muA). For the DEPT as an electro-optical switch with a 2 V supply voltage, the stable electrical logic swing is 0.41 V for a 1 V clock signal. When a short-period clock signal is applied, a clear electrical logic swing larger than 1.2 V is achieved. The emitter-induced gain effect from both photocurrent modulation and junction-voltage modulation is also introduced to clearly describe DEPT dynamic performance.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51710
Appears in Collections:[電機工程學系] 期刊論文

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