Abstract
We present the design and characterization of a zinc-indiffused periodically poled lithium-niobate ridge waveguide for second-harmonic generation of ∼390 nm light from 780 nm. We use a newly developed, broadband near-infrared vertical external-cavity surface-emitting laser (VECSEL) to investigate the potential for lower-footprint nonlinear optical pump sources as an alternative to larger commercial laser systems. We demonstrate a VECSEL with an output power of 500 mW, containing an intracavity birefringent filter for spectral narrowing and wavelength selection. In this first demonstration of using a VECSEL to pump a nonlinear waveguide, we present the ability to generate 1 mW of ∼390 nm light with further potential for increased efficiency and size reduction.
Original language | English |
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Pages (from-to) | 4921-4926 |
Number of pages | 6 |
Journal | Applied Optics |
Volume | 59 |
Issue number | 16 |
DOIs | |
Publication status | Published - 1 Jun 2020 |
Publication type | A1 Journal article-refereed |
Publication forum classification
- Publication forum level 1
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Engineering (miscellaneous)
- Electrical and Electronic Engineering
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Dataset for: Zinc-indiffused MgO:PPLN waveguides for blue / UV generation via VECSEL pumping
Gray, A. C. (Creator), Woods, J. R. C. (Contributor), Carpenter, L. G. (Creator), Kahle, H. (Creator), Berry, S. A. (Creator), Tropper, A. C. (Creator), Guina, M. (Creator), Apostolopoulos, V. (Creator), Smith, P. G. R. (Creator) & Gawith, C. B. E. (Creator), University of Southampton, 9 Jul 2020
DOI: 10.5258/soton/d1244
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