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

Sang-Pil Han | Zendy; Namje Kim | Zendy; Hyunsung Ko | Zendy; HanCheol Ryu | Zendy; JeongWoo Park | Zendy; Young-Jong Yoon | Zendy; JunHwan Shin | Zendy; DongHun Lee | Zendy; SangHo Park | Zendy; SeokHwan Moon | Zendy; SungWook Choi | Zendy; Hyang Sook Chun | Zendy; Kyung Hyun Park | Zendy

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

Author(s) -

Sang-Pil Han,

Namje Kim,

Hyunsung Ko,

HanCheol Ryu,

JeongWoo Park,

Young-Jong Yoon,

JunHwan Shin,

DongHun Lee,

SangHo Park,

SeokHwan Moon,

SungWook Choi,

Hyang Sook Chun,

Kyung Hyun Park

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.018432

Subject(s) - materials science , terahertz radiation , optoelectronics , antenna (radio) , photoconductivity , printed circuit board , optics , electrical engineering , physics , engineering

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 α-lactose sample.

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