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Second-harmonic generation in periodically poled lithium niobate single-crystal fibres

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3 Author(s)
Lu, Y. ; Phys. Dept., Laser & Opt. Res. Center, USAF Academy, CO, USA ; Dajani, I. ; Knize, R.J.

Periodic ferroelectric domain structures were introduced into lithium niobate (LiNbO3) single-crystal fibres by the electric field poling method using a configuration of direct electrode contact. The fibres were pumped with a 1064 nm Nd:YAG laser with a CW input power as high as 1 W. The maximum generated second-harmonic signal was 1.6 mW, thus corresponding to an overall conversion efficiency of 0.016%.

Published in:

Electronics Letters  (Volume:40 ,  Issue: 13 )