A 1.65 µm region external cavity laser diode using an InP gain chip and a fibre Bragg grating
A 1.65 µm region external cavity laser diode using an InP gain chip and a fibre Bragg grating
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DOI：
10.1117/12.975302
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发表时间：
2012-10
期刊：
影响因子：
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通讯作者：
F. Chen;J. Hodgkinson;S. Staines;Stephen W. James;R. Tatam
中科院分区：
文献类型：
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作者：
F. Chen;J. Hodgkinson;S. Staines;Stephen W. James;R. Tatam
我们提出了一种利用InP半导体增益芯片和光纤布拉格光栅(FBG)构建的外腔激光器(ECL)二极管，其发射波长与甲烷的吸收线重合，用于光谱气体传感。FBG被用作波长选择和反馈元件，这将可能为激光器提供波长调谐能力。获得了小于5 MHz的窄线宽激光输出。据我们所知，这是1.65微米区域内第一个基于FBG的ECL。
We present the construction of an external cavity laser (ECL) diode using an InP semiconductor gain chip and a fibre Bragg grating (FBG), designed to have an emission wavelength that coincides with an absorption line of methane, to be used for spectroscopic gas sensing. The FBG was employed as a wavelength selective and feedback element, which will potentially provide the laser with wavelength tuning capability. Narrow linewidth lasing output of less than 5 MHz was achieved. To our knowledge, this is the first FBG based ECL in the 1.65 µm region.