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研究生:林天聲
研究生(外文):Tien-Sheng Lin
論文名稱:壓控式異質接面光電晶體之研製與模型
論文名稱(外文):Fabrication and Model of Voltage-Controlled Heterojunction Phototransistors
指導教授:羅文雄羅文雄引用關係
指導教授(外文):Wen-Shiung Lour
學位類別:碩士
校院名稱:國立臺灣海洋大學
系所名稱:電機工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:59
中文關鍵詞:異質接面光電晶體異質接面光電晶體雙射極異質接面電晶體
外文關鍵詞:Heterojunction PhototransistorsDual emitterDouble emitterGummel plot
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  • 被引用被引用:0
  • 點閱點閱:137
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  • 收藏至我的研究室書目清單書目收藏:0
摘要

本論文,主要是在探討異質接面光電晶體的模型及其相關特性。首先,使用Gummel-plot 圖與共射極組態圖來描述異質接面光電晶體的特性,並且建立及使用等效電路模型來說明以電壓偏壓及電流偏壓對於異質接面光電晶體所造成不同的影響。接著我們探討異質接面光電晶體在不同光功率照射下的所呈現的光電特性。
接著以前述的理論基礎,來探討具有不同面積比之新型三端型雙射極異質接面光電晶體元件,並以射極來當作控制端,使得元件具有電壓及光功率可調的特性,來得到更大的光增益,進而克服了傳統電壓偏壓或電流偏壓加諸基極的異質接面光電晶體的缺點。對於雙射極異質接面光電晶體在較低的光功率照射下的特性及零敏度不同之處也有更精闢的研究。
最後,我們以本論文中所提之理論及特性成功發展出可應用於光積體電路中的光邏輯閘。
Abstract

The purpose of this thesis, we focus on the model of the heterojunction phototransistors (HPTs) and the related optical performance. We firstly present the common-emitter current-voltage characteristics and the corresponding Gummel-plots to characterize the HPT’s applied by voltage- and current-source. Then we also investigated the optoelectric characteristics by illuminating the HPT’s under a series of different optical power.
We further study the new three-terminal dual-emitter phototransistors (DEPT’s) with two emitters having different areas. One emitter is grounded while the other is served as the control terminal. The voltage- and power-tunable optical characteristics under low power illumination are also investigated.
According to the demonstrated experimental theoretical results, we propose optical logic gate circuit to possible application in optoelectronic integrated circuit (OEIC).
TABLE OF CONTENTS

摘要
Abstract

Table of Contents

Figure Captions

Chapter 1 Introduction ……………………………………… 1

Chapter 2 Comprehension and Modelling of Heterojunction

Phototransistors Operated in the Gummel-Plot and

Common-Emitter Modes

2-1 Introduction ………………………………………… 3

2-2 HPT Structure and Experiment

2-2-1 Device Structure …………………………… 4

2-2-2 Device Fabrication ………………………… 5

2-3 HPT Model and Parameters Extraction ………… 8

2-4 Experimental, Modelling Results and Discussion

2-4-1 Common-emitter Electrical/Optical Characteristics..11

2-4-2 Gummel Plot of the HPT ………………… 12

2-5 Summary ………………………………………… 18

Chapter 3 Dual-Emitter Phototransistor (DEPT) with Both

Voltage- and Power-Tunable Optical Characteristic

3-1 Introduction ……………………………………… 19

3-2 HPT/DEPT Structure and Fabrication ………… 20

3-3 Electrical and Optical Experiments …………… 24

3-4 Results and Discussion …………………………… 26

3-5 Summary ………………………………………… 34

Chapter 4 The Analysis of Dual Emitter Phototransistor (DEPT)

and Circuit Applications

4-1 Introduction ……………………………………… 35

4-2 Results and Qualitative Consideration …………36

4-3 Modelling and Tuning Performance …………… 41

4-4 Optical-electrical Logic Circuits with DEPT …… 46

4-5 Summary …………………………………………… 47

Chapter 5 Conclusions and Perspectives …………………… 48
References …………………………………………………… 49

Table ………………………………………………………………… 51
References

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