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
Zwiller, Val
Gallo, Katia
Organisational unit
DOI
URI
ISBN
Conference
25th European Conference on Integrated Optics, ECIO 2024 ; Aachen, Germany ; June 17–19, 2024
Book title
The 25th European Conference on Integrated Optics : Proceedings of ECIO 2024, June 17–19, Aachen, Germany
First page
145
Last page
148
Part of the university bibliography
✅
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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Metadata only access