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Monolithically integrated optical frequency converter and amplitude modulator in LiNbO3 fabricated by femtosecond laser pulses

: Ringleb, S.; Rademaker, K.; Nolte, S.; Tünnermann, A.


Applied Physics. B 102 (2011), No.1, pp.59-63
ISSN: 0340-3793
ISSN: 0721-7269
ISSN: 0946-2171
ISSN: 1432-0649
Journal Article
Fraunhofer IOF ()

We report on the monolithic integration of frequency converter and amplitude modulator in a single lithium niobate (LiNbO3) chip by the use of focussed ultrashort laser pulses. The waveguiding structures are obtained by femtosecond-laser induced internal modification and the electrodes are ablated out of a gold-layer sputtered onto the sample surface.