Tunable THz polariton laser based on 1342 nm wavelength for enhanced terahertz wave extraction

Andrew J. Lee; David J. Spence; Helen M. Pask

doi:10.1364/OL.42.002691

Tunable THz polariton laser based on 1342 nm wavelength for enhanced terahertz wave extraction

Andrew J. Lee^*, David J. Spence, Helen M. Pask

^*Corresponding author for this work

MQ Photonics Research Centre

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We detail the operation of a THz laser source based on nonlinear 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 within high-resistivity silicon (Si) prisms used to extract THz radiation from the Mg:LiNbO₃ crystal. THz power of up to 23.6 μW (62.3 μW when chopped at 50% duty cycle) was detected at 1.33 THz, and frequency tunability across the range 1.05–2.2 THz was achieved.

Original language	English
Pages (from-to)	2691-2694
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	14
DOIs	https://doi.org/10.1364/OL.42.002691
Publication status	Published - 15 Jul 2017

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abstract = "We detail the operation of a THz laser source based on nonlinear 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 within high-resistivity silicon (Si) prisms used to extract THz radiation from the Mg:LiNbO3 crystal. THz power of up to 23.6 μW (62.3 μW when chopped at 50% duty cycle) was detected at 1.33 THz, and frequency tunability across the range 1.05–2.2 THz was achieved.",

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AU - Pask, Helen M.

PY - 2017/7/15

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N2 - We detail the operation of a THz laser source based on nonlinear 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 within high-resistivity silicon (Si) prisms used to extract THz radiation from the Mg:LiNbO3 crystal. THz power of up to 23.6 μW (62.3 μW when chopped at 50% duty cycle) was detected at 1.33 THz, and frequency tunability across the range 1.05–2.2 THz was achieved.

AB - We detail the operation of a THz laser source based on nonlinear 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 within high-resistivity silicon (Si) prisms used to extract THz radiation from the Mg:LiNbO3 crystal. THz power of up to 23.6 μW (62.3 μW when chopped at 50% duty cycle) was detected at 1.33 THz, and frequency tunability across the range 1.05–2.2 THz was achieved.

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JO - Optics Letters

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SN - 0146-9592

IS - 14

ER -

Tunable THz polariton laser based on 1342 nm wavelength for enhanced terahertz wave extraction

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