可調∕可切換波長環形光纖雷射之研究

Study of a Wavelength-Tunable or wavelength-Switchable Fiber Ring Laser

陳子江(Tzu-Chiang Chen) ； 杜博仁(Po-Jen Tu) ； 李宏言(Hung-Yan Lee) ； 劉文豐(Wen-Fung Liu)

《光學工程》 86期 (2004/06) Pp. 53-59

https://doi.org/10.30011/OE.200406.0006

摘要

本論文利用泵送光源、摻鉺光纖與不同種類的光柵來完成環形光纖雷射，並得到約16nm之最大可調變範圍。我們藉由拉伸光纖光柵改變光柵中心波長以調變雷射輸出波長，調變範圍可利用蝕刻技術隨光纖直徑的減少而增加，然後再結合特殊光纖光柵與極化控制器與光路的設計，來達成可切換與可調光波長的技術。

關鍵字

光纖雷射 ； 光纖光柵 ； 極化控制器

並列摘要

In this paper a ring fiber laser based on the use of several kinds of fiber gratings, erbium-doped fibers and different pumping levels is demonstrated with the maximum tuning range of about 16nm. The tuning mechanism depends on the center wavelength of a fiber Bragg grating, which is changed by applying different levels of strain along fiber axis. The tuning range can be improved by means of reducing the fiber diameter from the HF etching fiber technique. We use the superstructure gratings and polarization controllers to switch and tune the output wavelength of the fiber laser.

並列關鍵字

Fiber Laser ； Fiber Grating ； Polarization Controllers