Waveguide quasi-phase-matched sum-frequency generation device for high-efficiency optical sampling
- 1 August 1999
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 11 (8) , 1027-1029
- https://doi.org/10.1109/68.775335
Abstract
A LiNbO/sub 3/ waveguide quasi-phase-matched sum-frequency generation (SFG) device using a fan out domain-inverted grating for picosecond optical sampling was designed and fabricated. Sampling of signal waves at 1.5-/spl mu/m wavelength by 25-ps sampling pulses generated by a gain-switched laser diode is demonstrated in a device of 5 mm length with a normalized SFG efficiency as high as 43%/W.Keywords
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