Active–passive pulse laser based on gold nanobipyramids at 1.3 μm wavelength

• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2019,（2）
• 页码范围: 12-15
• 页数: 4页
• 语种: 英文
• DOI: 10.3788/COL201917.020003

摘要

Two-dimensional (2D) materials have attracted intense attention in photonics and optoelectronics for their excellent nonlinear characteristics and are applied for the generation of laser pulses. Here, an active–passive Nd:GdVO4 1.3 μm laser is realized by using an acousto-optic modulator and gold nanobipyramids absorber. The pulse width of 150.5 ns is obtained in the doubly Q-switched laser. The compression ratio and enhancement time are 82.6％ and 16. The doubly Q-switched technology compresses the pulse width, improves the peak power, and stabilizes the pulse, illustrating that double modulation technology opens the door of controllable ultrafast lasers based on 2D materials.