Terahertz-wave generation from quasi-phase-matched GaP for 1.55 μm pumping - art. no. 071118

被引：67
|
作者：
Tomita, I
Suzuki, H
Ito, H
Takenouchi, H
Ajito, K
Rungsawang, R
Ueno, Y
机构：
[1] NTT Corp, NTT Photon Labs, Atsugi, Kanagawa 2430198, Japan
[2] NTT E Corp, Tokyo 1638019, Japan
[3] NTT Corp, NTT Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
[4] NTT Corp, NTT Microsyst Integrat Labs, Atsugi, Kanagawa 2430198, Japan
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 07期
关键词：
D O I：
10.1063/1.2174832
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have realized a terahertz (THz)-wave source employing difference frequency generation (DFG) from a quasi-phase-matched GaP stack pumped at 1.55 mu m. We observed THz waves with enhanced power by quasi-phase matching (QPM) in the < 110 > direction of GaP with a < 111 > polarization direction for the incidence of two pump lights with the same propagation and polarization directions. We obtained THz-wave power proportional to the product of two pump-light powers due to DFG. We also confirmed that power peaks appeared at around 1 and 2.6 THz reflecting the first- and the third-order QPM, respectively.
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页数：3
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