Compact fiber-pigtailed InGaAs photoconductive antenna module for terahertz-wave generation and detection

被引：35

作者：

Han, Sang-Pil ^{[1
]}

Kim, Namje ^{[1
]}

Ko, Hyunsung ^{[1
]}

Ryu, Han-Cheol ^{[1
]}

Park, Jeong-Woo ^{[1
]}

Yoon, Young-Jong ^{[1
]}

Shin, Jun-Hwan ^{[1
]}

Lee, Dong Hun ^{[2
]}

Park, Sang-Ho ^{[2
]}

Moon, Seok-Hwan ^{[2
]}

Choi, Sung-Wook ^{[3
]}

Chun, Hyang Sook ^{[3
]}

Park, Kyung Hyun ^{[1
]}

机构：

[1] ETRI, THz Photon Creat Res Ctr, Taejon 305700, South Korea

[2] ETRI, Convergence Components & Mat Res Lab, Taejon 305700, South Korea

[3] Korea Food Res Inst, Food Safety Res Div, Songnam 463746, South Korea

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 16期

基金：

新加坡国家研究基金会;

关键词：

TIME-DOMAIN SPECTROMETER; MODE LASER-DIODE;

D O I：

10.1364/OE.20.018432

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a compact fiber-pigtailed InGaAs photoconductive antenna (FPP) module having an effective heat-dissipation solution as well as a module volume of less than 0.7 cc. The heat-dissipation of the FPP modules when using a heat-conductive printed circuit board (PCB) and an aluminium nitride (AlN) submount, without any cooling systems, improve by 40% and 85%, respectively, when compared with a photoconductive antenna chip on a conventional PCB. The AlN submount is superior to those previously reported as a heat-dissipation solution. Terahertz time-domain spectroscopy (THz-TDS) using the FPP module perfectly detects the absorption lines of water vapor in free space and an a-lactose sample. (C) 2012 Optical Society of America

引用

页码：18432 / 18439

页数：8

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