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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 10 — May. 15, 2009
  • pp: 1307–1314

Improving Multimode Interference Couplers Performance Through Index Profile Engineering

Inigo Molina-Fernández, Alejandro Ortega-Moñux, and Juan Gonzalo Wangüemert-Pérez

Journal of Lightwave Technology, Vol. 27, Issue 10, pp. 1307-1314 (2009)


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Abstract

In this paper, a new technique is developed to improve high index contrast multimode interference (MMI) coupler performance. The technique is based on removing modal phase errors by introducing a perturbation in the lateral refractive index of the MMI section. Simulation results for several MMI devices show that this technique is able to provide extremely low excess losses and imbalance for all situations.

© 2009 IEEE

Citation
Inigo Molina-Fernández, Alejandro Ortega-Moñux, and Juan Gonzalo Wangüemert-Pérez, "Improving Multimode Interference Couplers Performance Through Index Profile Engineering," J. Lightwave Technol. 27, 1307-1314 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-10-1307

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