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Laser apparatus in which surface-emitting semiconductor is excited with semiconduct laser element and high-order oscillation modes are suppressed
Laser apparatus in which surface-emitting semiconductor is excited with semiconduct laser element and high-order oscillation modes are suppressed
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机译:抑制表面发射半导体被半导体激光元件激发并抑制高阶振荡模式的激光装置
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摘要
A laser apparatus includes a semiconductor laser element, a surface-emitting semiconductor element including a first mirror, and a second mirror. The semiconductor laser element emits first laser light having a first wavelength. The surface-emitting semiconductor element is excited with the first laser light, and emits second laser light having a second wavelength which is longer than the first wavelength. The first mirror in the surface-emitting semiconductor element is arranged on one side of the first active layer. The second mirror is arranged outside the surface-emitting semiconductor element so that the first and second mirrors form a resonator in which the second laser light resonates. The surface-emitting semiconductor element includes a structure for controlling a spatial mode of the second laser light.
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