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      Low-power thermooptical tuning of SOI resonator switch

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      Author
      Kiyat, I.
      Aydinli, A.
      Dagli, N.
      Date
      2006
      Source Title
      IEEE Photonics Technology Letters
      Print ISSN
      1041-1135
      Publisher
      IEEE
      Volume
      18
      Issue
      2
      Pages
      364 - 366
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      A wavelength selective optical switch is developed based on a high-Q racetrack resonator making use of the large thermooptic coefficient of silicon. The racetrack resonator was fabricated using a silicon-on-insulator (SOI) single-mode rib waveguide. The resonator shows a high Q factor of 38 000 with spectral sidelobes of 11 dB down and can be thermooptically scanned over its full free-spectral range applying only 57 mW of electrical power. A low power of 17 mW is enough to tune the device from resonance to off-resonance state. The device functions as a wavelength selective optical switch with a 3-dB cutoff frequency of 210 kHz.
      Keywords
      Integrated optics
      Resonator
      Silicon-on-insulator (SOI) technology
      Thermooptical switch
      Thermooptical tuning
      Cutoff frequency
      Electric coils
      Nonmetals
      Optical design
      Optical switches
      Resonance
      Silicon
      Tuning
      Cut-off frequencies
      Electrical power
      Free-spectral range
      High Q-factor
      Integrated optics
      Low powers
      Off-resonance
      Resonator
      Rib waveguides
      Side-lobes
      Silicon-on -insulator
      Silicon-on-insulator (SOI) technology
      Single modes
      Thermooptical switch
      Thermooptical tuning
      Wavelength-selective optical switch
      Resonators
      Permalink
      http://hdl.handle.net/11693/23873
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/LPT.2005.861951
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      • Department of Physics 2150

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