The widespread applications of ultrafast fiber lasers in various fields are due to their inherent advantages of compact configuration, excellent pulse quality, and extraordinary stability. The combination of optical passive device and two-dimensional materials is a promising approach of improving the fiber laser’s performance. Here, we demonstrate a versatile optical device with MoTe₂ mode-locker and a simplified ultrafast laser based on the proposed device. The proposed device can greatly improve the environmental stability of two-dimensional MoTe₂ mode-locker, and provide a new method of incorporating two-dimensional materials into ultrafast optics application. The versatile device with MoTe₂ mode-locker has important application in ultrafast fiber laser. The simplified laser has great commercial value in various fields like optical communication, optical sensing, and materials processing.

超快光纤激光器在各个领域的广泛应用是由于其固有的优势，即紧凑的结构，出色的脉冲质量和非凡的稳定性。光学无源器件和二维材料的组合是提高光纤激光器性能的一种有前途的方法。在这里，我们演示了一种具有MoTe ₂锁模功能的多功能光学设备，并基于所提出的设备简化了超快激光器。所提出的装置可以大大提高二维MoTe ₂锁模器的环境稳定性，并提供一种将二维材料结合到超快光学应用中的新方法。带MoTe ₂的多功能设备锁模器在超快光纤激光器中具有重要的应用。简化的激光器在诸如光通信，光传感和材料加工等各个领域具有巨大的商业价值。