Design and analysis of a metallic waveguide with a DAST cap for continuously phase-matched terahertz difference frequency generation

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• 作者：Hamid Reza Zangeneh ; ^{hrzangeneh@kashanu.ac.ir" class="auth_mail} ; Marzieh Asadnia Fard Jahromi
• 关键词：Subject terms ; Nonlinear optics ; Integrated optic ; THz waves
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：July 2014
• 年：2014
• 卷：125
• 期：13
• 页码：3098-3101
• 全文大小：520 K

文摘

We present a novel source for continuous terahertz (THz) wave generation using an organic ionic salt, 4-dimethylamino-N-methyl-4-stilbazolium-tosylate (DAST). THz waves are generated based on difference frequency generation (DFG) in the device. Phase matching condition and THz generation between 1.3 THz and 2.7 THz, for optical pump around 1.6 渭m, are investigated. Our calculations predict that the device produces a relatively high THz output power of 11.07 渭W from a 4 cm long waveguide at 2 THz.