Second and third harmonic generation in few-layer gallium telluride characterized by multiphoton microscopy | Zendy

Jannatul Susoma | Zendy; Lasse Karvonen | Zendy; Antti Säynätjoki | Zendy; Soroush Mehravar | Zendy; Robert A. Norwood | Zendy; N. Peyghambarian | Zendy; Khanh Kieu | Zendy; Harri Lipsanen | Zendy; Juha Riikonen | Zendy

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Second and third harmonic generation in few-layer gallium telluride characterized by multiphoton microscopy

Author(s) -

Jannatul Susoma,

Lasse Karvonen,

Antti Säynätjoki,

Soroush Mehravar,

Robert A. Norwood,

N. Peyghambarian,

Khanh Kieu,

Harri Lipsanen,

Juha Riikonen

Publication year - 2016

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4941998

Subject(s) - second harmonic generation , telluride , gallium arsenide , materials science , nonlinear optics , layer (electronics) , microscopy , laser , optoelectronics , wavelength , high harmonic generation , optical microscope , surface second harmonic generation , gallium , optics , scanning electron microscope , nanotechnology , physics , metallurgy , composite material

We report on the nonlinear optical properties of few-layer GaTe studied by multiphoton microscopy. Second and third harmonic generation from few-layer GaTe flakes were observed in this study with the laser pump wavelength of 1560 nm. These processes were found to be sensitive to the number of GaTe layers. The second- and third-order nonlinear susceptibilities of 2.7 × 10-9 esu (1.15 pm/V) and 1.4 × 10-8 esu (2 × 10-16 m2/V2) were estimated, respectively.Peer reviewe

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