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Bragg reflection waveguide diode lasers

机译:布拉格反射波导二极管激光器

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摘要

What we believe to be the first demonstration of an edge-emitting Bragg reflection waveguide laser is reported. The laser utilized InGaAs quantum wells emitting at 980 nm, with Al_(x)Ga_(1-x)As core and claddings. The lasing mode is centered in a low-index core with a width of 700 nm, hence providing a large mode volume with strong discrimination against any modes other than the fundamental photonic bandgap mode. Single-transverse mode operation is observed with thresholds as low as 157 A/cm~(2). The propagation losses of the mode were measured for the first time and found to be 11.4 cm~(-1).
机译:据报道,我们相信这是边缘发射布拉格反射波导激光器的首次演示。该激光器利用InGaAs量子阱在980 nm处发射,并以Al_(x)Ga_(1-x)As为芯和包层。激射模式以宽度为700 nm的低折射率纤芯为中心,因此提供了大的模式体积,对除基本光子带隙模式以外的任何模式都有很强的辨别力。观察到单横向模式操作的阈值低至157 A / cm〜(2)。首次测量了该模式的传播损耗,发现为11.4 cm〜(-1)。

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