The Space Time Cloaks Through Birefringent Goos-H\"{a}nchen Shifts

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We report a theoretical demonstration for the creation of space time holes based on birefringence of reflection, transmission and the Goos H\"{a}chen shifts from a chiral medium. We observed space time holes in the reflection, transmission and their corresponding GH-shifted beams. Two space time holes are clearly detected in the regions of $0<t\leq5\tau_0$ and $-5w\leq y\leq 5w$ as well as in the regions of $-5\tau_0\leq t\leq0$ and $-5w\leq y\leq 5w$. These space time holes hide objects and information contents from observers and hackers. The objects and information contents are completely undetectable, thus events can be cloaked. The results of this paper have potential applications in invisibility of drone technology and secure communication of information in telecom industries.

Hazara University
Hazara University

Khan Humayun,Haneef Muhammad,Bakhtawar Bakhtawar. The Space Time Cloaks Through Birefringent Goos-H\"{a}nchen Shifts[J].Chinese Optics Letters,2019,17(3):03.