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All-Optical Beam Steering Using the Polariton Lighthouse Effect
ACS Photonics ( IF 6.5 ) Pub Date : 2021-01-29 , DOI: 10.1021/acsphotonics.0c01962 Samuel M. H. Luk 1 , Hadrien Vergnet 2 , Ombline Lafont 2 , Przemyslaw Lewandowski 3 , Nai H. Kwong 4 , Elisabeth Galopin 5 , Aristide Lemaitre 5 , Philippe Roussignol 2 , Jérôme Tignon 2 , Stefan Schumacher 3, 4 , Rolf Binder 1, 4 , Emmanuel Baudin 2
ACS Photonics ( IF 6.5 ) Pub Date : 2021-01-29 , DOI: 10.1021/acsphotonics.0c01962 Samuel M. H. Luk 1 , Hadrien Vergnet 2 , Ombline Lafont 2 , Przemyslaw Lewandowski 3 , Nai H. Kwong 4 , Elisabeth Galopin 5 , Aristide Lemaitre 5 , Philippe Roussignol 2 , Jérôme Tignon 2 , Stefan Schumacher 3, 4 , Rolf Binder 1, 4 , Emmanuel Baudin 2
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We demonstrate theoretically and experimentally that a specifically designed microcavity driven in the optical parametric oscillation regime exhibits lighthouse-like emission, that is, an emission focused around a single direction. Remarkably, the emission direction of this microlighthouse is continuously controlled by the linear polarization of the incident laser, and angular beam steering over 360° is demonstrated. Theoretically, this effect arises from the interplay between the nonlinear optical response of microcavity exciton–polaritons, the difference in the subcavities forming the microcavity, and the rotational invariance of the device.
中文翻译：
利用极化子灯塔效应的全光转向
我们在理论上和实验上证明，在光参量振荡模式下驱动的经过特殊设计的微腔表现出类似灯塔的发射，即围绕单个方向的发射。值得注意的是，该微型灯塔的发射方向由入射激光的线性偏振连续控制，并演示了360°范围内的角光束转向。从理论上讲，这种影响是由微腔激子-极化子的非线性光学响应，形成微腔的子腔的差异以及设备的旋转不变性之间的相互作用引起的。
更新日期：2021-02-17
中文翻译：
利用极化子灯塔效应的全光转向
我们在理论上和实验上证明，在光参量振荡模式下驱动的经过特殊设计的微腔表现出类似灯塔的发射，即围绕单个方向的发射。值得注意的是，该微型灯塔的发射方向由入射激光的线性偏振连续控制，并演示了360°范围内的角光束转向。从理论上讲，这种影响是由微腔激子-极化子的非线性光学响应，形成微腔的子腔的差异以及设备的旋转不变性之间的相互作用引起的。
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