Novosibirsk State University, Novosibirsk 630090, Russia.
Institute of Computational Technologies, Russian Academy of Sciences, Novosibirsk 630090, Russia.
Phys Rev Lett. 2015 Mar 20;114(11):113901. doi: 10.1103/PhysRevLett.114.113901. Epub 2015 Mar 18.
The key to generating stable optical pulses is mastery of nonlinear light dynamics in laser resonators. Modern techniques to control the buildup of laser pulses are based on nonlinear science and include classical solitons, dissipative solitons, parabolic pulses (similaritons) and various modifications and blending of these methods. Fiber lasers offer remarkable opportunities to apply one-dimensional nonlinear science models for the design and optimization of very practical laser systems. Here, we propose a new concept of a laser based on the adiabatic amplification of a soliton pulse in the cavity-the adiabatic soliton laser. The adiabatic change of the soliton parameters during evolution in the resonator relaxes the restriction on the pulse energy inherent in traditional soliton lasers. Theoretical analysis is confirmed by extensive numerical modeling.
产生稳定光脉冲的关键在于掌握激光谐振器中的非线性光动力学。现代控制激光脉冲形成的技术基于非线性科学,包括经典孤子、耗散孤子、抛物线脉冲(相似子)以及这些方法的各种修改和混合。光纤激光器为应用一维非线性科学模型来设计和优化非常实用的激光系统提供了显著的机会。在这里,我们提出了一种基于在腔中绝热放大孤子脉冲的激光新概念——绝热孤子激光器。在谐振器中演化过程中孤子参数的绝热变化放宽了传统孤子激光器中固有对脉冲能量的限制。理论分析得到了广泛的数值模拟的证实。