Second harmonic generation and χ(2) cascading in periodically poled MgO:LiNbO₃ photonic wires

Fergestad, Halvor R.; Fu, Daiheng; Alqedra, Muhammed; Hasse, Kore; Kip, Detlef; Zwiller, Val; Gallo, Katia

doi:10.1007/978-3-031-63378-2_24

Second harmonic generation and χ(2) cascading in periodically poled MgO:LiNbO₃ photonic wires

Publication date

2024-06-16

Document type

Konferenzbeitrag

Author

Fergestad, Halvor R.

Fu, Daiheng

Alqedra, Muhammed

Hasse, Kore

Kip, Detlef

Zwiller, Val

Gallo, Katia

Organisational unit

Experimentalphysik und Materialwissenschaften

DOI

10.1007/978-3-031-63378-2_24

URI

https://openhsu.ub.hsu-hh.de/handle/10.24405/19904

Conference

25th European Conference on Integrated Optics, ECIO 2024 ; Aachen, Germany ; June 17–19, 2024

Publisher

Springer

Book title

The 25th European Conference on Integrated Optics : Proceedings of ECIO 2024, June 17–19, Aachen, Germany

ISBN

978-3-031-63378-2

First page

145

Last page

148

Peer-reviewed

✅

Part of the university bibliography

✅

Language

English

Keyword

Lithium niobate on insulator

Integrated nonlinear optics

Second harmonic generation

Quadratic cascading

Abstract

We study second harmonic generation in LiNbO₃ nanowaveguides, operated with sub-pJ pulses at 1424 nm in the picosecond regime generating 0.5 μW at 712 nm. Spectra recorded at both wavelengths provide evidence for enhanced χ(2) cascading effects.

Version

Published version

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