4.6 Article

Design of dual-core optical fibers with NEMS functionality

Journal

OPTICS EXPRESS
Volume 22, Issue 1, Pages 1065-1076

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.22.001065

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Funding

  1. Engineering and Physical Sciences Research Council [EP/J012874/1]
  2. EPSRC Centre for Innovative Manufacturing in Photonics
  3. Photonic Hyperhighway Programme Grant
  4. Engineering and Physical Sciences Research Council [EP/H02607X/1, EP/J012874/1, EP/I01196X/1] Funding Source: researchfish
  5. EPSRC [EP/I01196X/1, EP/H02607X/1, EP/J012874/1] Funding Source: UKRI

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An optical fiber with nano-electromechanical functionality is presented. The fiber exhibits a suspended dual-core structure that allows for control of the optical properties via nanometer-range mechanical movements. We investigate electrostatic actuation achieved by applying a voltage to specially designed electrodes integrated in the cladding. Numerical and analytical calculations are preformed to optimize the fiber and electrode design. Based on this geometry an all-fiber optical switch is investigated; we find that optical switching of light between the two cores can be achieved in a 10 cm fiber with an operating voltage of 35 V. (C) 2014 Optical Society of America

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