Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 254, Issue 9, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.201700077
Keywords
AlN; nonlinear optical properties; second harmonic generation; single crystals
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Funding
- Slovenian Research Agency [P1-0192, N1-0021]
- NSF [DMR-1312582]
- ARL [W911QX-10-C-0027]
- ARO [W911NF-14-C-0008]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1312582] Funding Source: National Science Foundation
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Bulk aluminium nitride single crystals grown by physical vapour transport were characterised for their nonlinear optical properties. The two independent nonzero optical nonlinear coefficients were determined by the Maker Fringe method, with a LiNbO3 plate as a reference. At a wavelength of 1030 nm, the measured coefficient vertical bar d(33)vertical bar = (4.3 +/- 0.3) pm V-1 and vertical bar d(31)vertical bar = vertical bar d(33)vertical bar/(45 +/- 5). Michelson interferometer was used to measure two unclamped electro-optic coefficients to give r(33) = (1.16 +/- 0.13) pm V-1 and r(13) = (0.11 +/- 0.02) pm V-1 at a wavelength of 633 nm. By calculating the dispersion relation for d(33), we show that AlN is a very promising material for quasi phase-matched frequency conversion into UV. (C) 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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