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      A parity-time-symmetric optoelectronic oscillator with polarization multiplexed channels

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      Author(s)
      Özgün, E.
      Uyar, Faruk
      Kartaloğlu, Tolga
      Özbay, Ekmel
      Özdür, İ.
      Date
      2022-04-05
      Source Title
      Journal of Optics
      Print ISSN
      2040-8978
      Electronic ISSN
      2040-8986
      Publisher
      Institute of Physics Publishing Ltd.
      Volume
      24
      Issue
      5
      Pages
      1 - 6
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      In this manuscript, we experimentally demonstrate a parity-time-symmetric optoelectronic oscillator (OEO) with polarization multiplexed channels. We obtained a microwave single-mode oscillation at 9.5 GHz with phase noise values of −116.2 and −122.3 dBc Hz−1 at 10 kHz offset frequencies, and side mode suppression values below −68 and −75 dBc Hz−1, by utilizing a 1 km long and 5 km long single mode fiber delay lines, respectively. Our experimental results suggest that parity-time-symmetric OEOs with polarization multiplexed channels are simple and cost-efficient alternatives to their more complex counterparts.
      Keywords
      Optoelectronic oscillators
      Polarization multiplexing
      Parity-time symmetry
      Microwave optics
      Permalink
      http://hdl.handle.net/11693/111788
      Published Version (Please cite this version)
      https://doi.org/10.1088/2040-8986/ac5ecf
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2258
      • Nanotechnology Research Center (NANOTAM) 1179
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