Tunable THz generalized Weyl points.
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DOI: 10.1364/oe.27.000512
Abstract: Weyl points, as linearly double degenerated point of band structures, have been extensively researched in electronic and classical wave systems. However, Weyl points' realization is always accompanied with delicate "lattice structures". In this work, frequency-tunable… read more here.
Keywords: thz generalized; weyl points; generalized weyl; tunable thz ... See more keywords
Tunable THz polariton laser based on 1342 nm wavelength for enhanced terahertz wave extraction.
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DOI: 10.1364/ol.42.002691
Abstract: We detail the operation of a THz laser source based on non-linear stimulated polariton scattering (SPS) in Mg:LiNbO3. This system utilizes a fundamental wavelength of 1342 nm to completely avoid the negative effect of free-carrier generation… read more here.
Keywords: laser; tunable thz; polariton; thz polariton ... See more keywords