Polarization controllable laser using chiral metamaterials with gain

I. Katsantonis; A. C. Tasolambrou; T. Koschny; M. Kafesaki

doi:10.1117/12.3022326

10 June 2024 Polarization controllable laser using chiral metamaterials with gain

I. Katsantonis, A. C. Tasolambrou, T. Koschny, M. Kafesaki

Author Affiliations +

Proceedings Volume 12990, Metamaterials XIV; 129900F (2024) https://doi.org/10.1117/12.3022326
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

This research introduces a highly compact chiral metamaterial design (100 nm) capable of generating Circular Polarization (CP) lasing, a topic of high scientific and technological interest. The proposed metamaterial utilizes pairs of twisted-crosses as meta-atoms, embedded within a gain medium. By controlling the crosses twist-angle we demonstrate control of the emission polarization, ranging from almost purely left- to purely right-circular polarization. Our highly engineerable metamaterial design provides a versatile and easily implementable method for producing robust and tailored CP lasers, opening up significant possibilities for future applications.

Conference Presentation

Citation Download Citation

I. Katsantonis, A. C. Tasolambrou, T. Koschny, and M. Kafesaki "Polarization controllable laser using chiral metamaterials with gain", Proc. SPIE 12990, Metamaterials XIV, 129900F (10 June 2024); https://doi.org/10.1117/12.3022326

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