Enhancement of THz photomixing efficiency by using a pulse-modulated multimode laser diode

被引：0

作者：

Shibuya, Kyoji ^{[1
]}

Tani, Masahiko ^{[1
]}

Hangyo, Masanori ^{[1
]}

机构：

[1] Osaka Univ, Inst Laser Engn, Suita, Osaka 5650871, Japan

来源：

2007 JOINT 32ND INTERNATIONAL CONFERENCE ON INFRARED AND MILLIMETER WAVES AND 15TH INTERNATIONAL CONFERENCE ON TERAHERTZ ELECTRONICS, VOLS 1 AND 2 | 2007年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate an enhancement of the THz photomixing efficiency by using a pulse-modulated multimode laser diode (MLD). Since the THz output power is proportional to the square of the input laser intensity. the average output THz power call be increased by increasing the peak input laser power and decreasing the ditty ratio with the average input laser power kept constant. In the experiment, we show that the efficiency. in the photomixing for THz radiation is doubled when we use it pulse-modulated MLD with it duty ratio of 50%. This method provides its an easy way to improve the performance of the photomixing THz system based on it laser diode system.

引用

页码：715 / 716

页数：2

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