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      Enhanced electro-optic modulation of LiNbO3-based photonic crystal cavities with dual mode and polarization operation

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      Author(s)
      Baǧcı, F.
      Kurt G.
      Akaoǧlu, B.
      Özbay, Ekmel
      Date
      2017
      Source Title
      Turkish Journal of Physics
      Print ISSN
      1300-0101
      Publisher
      TUBITAK
      Volume
      41
      Issue
      4
      Pages
      303 - 313
      Language
      English
      Type
      Article
      Item Usage Stats
      257
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      202
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      Abstract
      A high output transmission and high quality factor, compact LiNbO3 -based Fabry-Perot-type photonic crystal cavity is reported that can be used in electro-optical modulators at optical communication wavelengths. The electro-optic effect is 123 times enhanced as compared to the bulk material as a result of the slow light effect. The transmission wavelength is found to depend linearly on the applied voltage with 1.2 nm/V modulation sensitivity. Moreover, an externally switchable dual mode regime with high quality factors and transmissions is realized. High transmissions and high quality factors are also obtained for both transverse-electric and transverse-magnetic polarizations simultaneously. © 2017 TÜBITAK.
      Keywords
      Electro-optic modulation
      Photonic crystal
      Quality factor
      Slow light
      Electro-optic modulation
      Permalink
      http://hdl.handle.net/11693/36996
      Published Version (Please cite this version)
      http://dx.doi.org/10.3906/fiz-1612-15
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Nanotechnology Research Center (NANOTAM) 1179
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