泵浦光再循环技术对受激布里渊散射阈值的影响：一个理论模型

Effects of pump recycling technique on stimulated Brillouin scattering threshold: a theoretical model.

作者信息

Al-Asadi H A, Al-Mansoori M H, Ajiya M, Hitam S, Saripan M I, Mahdi M A

机构信息

Wireless and Photonics Networks Research Center, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.

出版信息

Opt Express. 2010 Oct 11;18(21):22339-47. doi: 10.1364/OE.18.022339.

DOI:10.1364/OE.18.022339

PMID:20941134

Abstract

We develop a theoretical model that can be used to predict stimulated Brillouin scattering (SBS) threshold in optical fibers that arises through the effect of Brillouin pump recycling technique. Obtained simulation results from our model are in close agreement with our experimental results. The developed model utilizes single mode optical fiber of different lengths as the Brillouin gain media. For 5-km long single mode fiber, the calculated threshold power for SBS is about 16 mW for conventional technique. This value is reduced to about 8 mW when the residual Brillouin pump is recycled at the end of the fiber. The decrement of SBS threshold is due to longer interaction lengths between Brillouin pump and Stokes wave.

摘要

我们开发了一种理论模型，该模型可用于预测光纤中由于布里渊泵浦回收技术的作用而产生的受激布里渊散射（SBS）阈值。从我们的模型获得的模拟结果与我们的实验结果非常吻合。所开发的模型利用不同长度的单模光纤作为布里渊增益介质。对于5公里长的单模光纤，传统技术下计算得到的SBS阈值功率约为16毫瓦。当残余布里渊泵浦在光纤末端被回收时，该值降低至约8毫瓦。SBS阈值的降低是由于布里渊泵浦与斯托克斯波之间更长的相互作用长度。