【摘要】 随着宽带业务的增长和DWDM技术的发展,人们需要更宽增益带宽的全光放大器。光纤喇曼放大器由于其可放大任意波长信号的特性而得到广泛的关注和重视。介绍了喇曼放大器的量子力学描述,原理,特性,优点,关键技术,实现,总结了国外近年来对喇曼放大器在宽带通信应用中的研究,并讨论了喇曼放大器的发展方向。更多还原

【Abstract】 The all-optical amplifiers with wider gain-bandwidth is required because of the increasing wide-band-width-traffic and the development of DWDM.Fiber Raman amplifiers have been widely researched.The study on Raman amplifiers’ characters,features,key techniques,realizations,applications in wide-band width communication in recent years are described and summarized,and the development prospect of Raman amplifiers is also discussed.更多还原