Graphene active plasmonic metamaterials for new types of terahertz lasers

Taiichi Otsuji; Takayuki Watanabe; Akira Satou; Vyacheslav Popov; Victor Ryzhii

doi:10.1117/12.2019717

31 May 2013 Graphene active plasmonic metamaterials for new types of terahertz lasers

Taiichi Otsuji, Takayuki Watanabe, Akira Satou, Vyacheslav Popov, Victor Ryzhii

Proceedings Volume 8716, Terahertz Physics, Devices, and Systems VII: Advanced Applications in Industry and Defense; 87160P (2013) https://doi.org/10.1117/12.2019717
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

This paper reviews recent advances in graphene active plasmonic metamaterials for new types of terahertz lasers. We theoretically discovered that when the population of Dirac Fermionic carriers in graphene are inverted by optical or electrical pumping the excitation of graphene plasmons by the THz photons results in propagating surface plasmon polaritons with giant gain in a wide THz range. Furthermore, when graphene is patterned in a micro- or nano-ribbon array by grating gate metallization, the structure acts as an active plasmonic metamaterial, providing a super-radiant plasmonic lasing with giant gain at the plasmon modes in a wide THz frequency range.

Citation Download Citation

Taiichi Otsuji, Takayuki Watanabe, Akira Satou, Vyacheslav Popov, and Victor Ryzhii "Graphene active plasmonic metamaterials for new types of terahertz lasers", Proc. SPIE 8716, Terahertz Physics, Devices, and Systems VII: Advanced Applications in Industry and Defense, 87160P (31 May 2013); https://doi.org/10.1117/12.2019717

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