基于光开关和后向反馈技术的C或C+L波段可选择的ASE光源(英文)

A C-or C+L-Band Selectable ASE Source Using the Backward Feedback Technique with an Optical Switch

研究了一种能够工作在C波段或C+L波段的带宽可选择的掺铒光纤放大自发辐射(ASE)光源。该光源采用双向抽运结构,并通过利用后向反馈技术结合光开关来实现波段选择。实验表明仅通过控制光开关的工作状态就可以交替获得25.9mW的C波段和22.5mW的C+L波段ASE谱。

A band selectable amplified spontaneous emission （ASE） source of an erbium-doped fiber （EDF） which can operate in either the C- or the C＋ L-band region is proposed and demonstrated. The band selectable ASE source is realized using the backward feedback technique with a 1 × 2 optical switch in a bi-directional pumping configuration. The 25.9 mW C-band and 22.5 mW C＋L-band ASE spectra are alternately obtained merely by controlling the state of the optical switch.