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1 December 1991 Lithium niobate proton-exchange technology for phase-amplitude modulators
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Proceedings Volume 1583, Integrated Optical Circuits; (1991)
Event: OE Fiber, 1991, Boston, MA, United States
The PE technology has been applied in the fabrication of a wide bandwidth interferometric modulator in X-cut Lithium Niobate. The utilization of dilute melt of Benzoic Acid and Lithium Benzoate as source in the H-Li exchange process, and the introduction of a subsequent appropriate thermal annealing allow to obtain high quality channel waveguide characterized by high long term stability, high electrooptical efficiency , low propagation losses, low fiber-waveguide insertion losses and high resistance to the laser radiation induced damage. The main advantages of this modulator in comparison with the similar Ti-induffusion based device are the lower fabrication cost and the possibility to handle higher optical power, allowing higher dynamic range of the signal processing system.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mauro Varasi, Antonello Vanucci, and Mario Signorazzi "Lithium niobate proton-exchange technology for phase-amplitude modulators", Proc. SPIE 1583, Integrated Optical Circuits, (1 December 1991);


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