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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 22, Iss. 2 — Feb. 1, 2004
  • pp: 526–

Investigation of Resonantly Enhanced Modulators on LiNbO3 Using FEM and Numerical Optimization Technique

Thach Giang Nguyen, Arnan Mitchell, and Yuvaraja S. Visagathilagar

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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