Low-threshold dual-wavelength CW mid-IR laser from shared intracavity quasi-phase-matched OPO

Bao Te Chen, Shin Lin Tsai, Xiang Wang, Hsing Chih Liang, Chun Yu Cho

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

A low-threshold continuous wave dual-wavelength mid-infrared laser is demonstrated by using an intracavity optical parametric oscillator (OPO) with a dual-wavelength pump wave. To realize a high-quality dual-wavelength pump wave, a composite Nd:YVO4/Nd:GdVO4 gain medium is applied for a linear polarized state and synchronization output. With the quasi-phase-matching OPO process, it is found that the dual-wavelength pump wave shares equal signal wave oscillation and leads to a lower OPO threshold. Finally, a diode threshold pumped power of barely 2 W can be achieved for the balanced intensity dual-wavelength watt-level mid-IR laser.

原文English
頁(從 - 到)1770-1773
頁數4
期刊Optics Letters
48
發行號7
DOIs
出版狀態Published - 1 4月 2023

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