More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design

Lee, Hyoung-Taek; Kim, Jeonghoon; Lee, Joon Sue; Yoon, Mina; Park, Hyeong-Ryeol

doi:10.1021/acs.nanolett.3c03572

Nano Lett.

2023

DOI: 10.1021/acs.nanolett.3c03572

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More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design

Hyoung-Taek Lee,

Jeonghoon Kim,

Joon Sue Lee

et al.

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Zeeman torque sampling of intense terahertz magnetic field in CoFe

Geng,

Su,

Kong

et al. 2024

Opt. Lett.

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Free-space strong-field terahertz (THz) electromagnetic pulses have emerged as a potent tool for non-equilibrium quantum state control. However, these applications predominantly rely on electric field components, with limited utilization of magnetic field components. A traditional electro-optical sampling technique may encounter constraints due to the field strength saturation effect when detecting strong-field THz pulses. Here we have identified intense THz-induced Zeeman torque signals in CoFe and successfully detected the THz magnetic field components. Through variations in the type of ferromagnetic materials and the thickness of ferromagnetic films, we further refined the detection of THz magnetic field components. Our research revealed that a 15-nm CoFe thin film is more responsive in measuring magnetic field components.

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Zeeman torque sampling of intense terahertz magnetic field in CoFe

Geng,

Su,

Kong

et al. 2024

Opt. Lett.

View full text Add to dashboard Cite

show abstract

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More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design

Cited by 1 publication

References 49 publications

Zeeman torque sampling of intense terahertz magnetic field in CoFe

Zeeman torque sampling of intense terahertz magnetic field in CoFe

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More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design

Cited by 1 publication

References 49 publications

Zeeman torque sampling of intense terahertz magnetic field in CoFe

Zeeman torque sampling of intense terahertz magnetic field in CoFe

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More Than 30 000-fold Field Enhancement of Terahertz Nanoresonators Enabled by Rapid Inverse Design