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Stable and continuous wavelength tuning of a hybrid semiconductor laser with an erbium-doped fiber external cavity

机译:具有掺fiber光纤外腔的混合半导体激光器的稳定连续波长调谐

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摘要

We present an experimental study of tuning characteristics and wavelength stability of a 1490 nm dopedfiber external cavity laser. The standing wave in the erbium-doped fiber in an external-cavity laser causes spatial hole burning and absorption modulation and forms a dynamic grating. The dynamic grating can effectively suppress side modes and eliminate wavelength fluctuations in the laser. The operating wavelength of this hybrid laser is shown for the first time to our knowledge to be smoothly tunable by changing the semiconductor laser drive current or temperature.
机译:我们目前对1490 nm掺杂光纤外腔激光器的调谐特性和波长稳定性进行实验研究。外腔激光器中掺fiber光纤中的驻波引起空间空穴燃烧和吸收调制,并形成动态光栅。动态光栅可以有效地抑制边模并消除激光器中的波长波动。据我们所知,这种混合激光器的工作波长首次显示为可以通过改变半导体激光器的驱动电流或温度来平滑地调谐。

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