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Rapid and broad wavelength sweeping of standard telecommunication distributed feedback laser diode

机译:标准电信分布式反馈激光二极管的快速宽波长扫描

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摘要

This Letter presents a method for the fast and broad wavelength sweeping of a standard setup of a diode's active region and its immediate vicinity, which contain the diode's optical feedback system. The selective and rapid heating of the active region is possible due to the confinement of the voltage drop to the active diode's region that has submicrometer thickness. Using the presented method and an off-the-shelf telecommunication distributed feedback laser diode, we demonstrate wavelength sweeps in excess of 10 nm that were completed in about 200 ns, while generating average optical power in excess of 50 mW. In spite of high-amplitude current-drive pulses, 6000 h continuous operation of the diode within such an operational regime did not show any significant degradation of the diode's performance.
机译:这封信提出了一种方法,用于对二极管的有源区域及其附近区域的标准设置进行快速而宽泛的波长扫描,其中包含二极管的光反馈系统。由于将电压降限制在具有亚微米厚度的有源二极管的区域中,因此有源区域的选择性和快速加热是可能的。使用提出的方法和现成的电信分布式反馈激光二极管,我们演示了在约200 ns内完成的超过10 nm的波长扫描,同时产生了超过50 mW的平均光功率。尽管有高振幅电流驱动脉冲,但在这种工作方式下二极管连续工作6000 h并没有显示出二极管性能的任何显着下降。

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