Investigation of Resonantly Enhanced Modulators on LiNbO3 Using FEM and Numerical Optimization Technique
Journal of Lightwave Technology, Vol. 22, Issue 2, pp. 526- (2004)
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Abstract
Highly efficient resonantly enhanced modulators on X-cut LiNbO3 are investigated through the use of numerical optimization. We describe the optimization technique and present a new design trend relating the link-gain efficiency of optical radio systems that employ external modulation to the choice of modulator electrode geometric dimensions, especially the electrode gap. Using this optimization technique, resonant-type modulators with link gain enhancement up to 6 dB are achievable while maintaining excellent return loss at a resonant frequency of 1.8 GHz. The characteristics of both the optical waveguide and the coplanar electrode are characterized by finite-element simulation.
© 2004 IEEE
Citation
Thach Giang Nguyen, Arnan Mitchell, and Yuvaraja S. Visagathilagar, "Investigation of Resonantly Enhanced Modulators on LiNbO3 Using FEM and Numerical Optimization Technique," J. Lightwave Technol. 22, 526- (2004)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-22-2-526
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