Kiyat, I.Aydınlı, AtillaDagli, N.2016-02-082016-02-0820061041-1135http://hdl.handle.net/11693/23873A 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.EnglishIntegrated opticsResonatorSilicon-on-insulator (SOI) technologyThermooptical switchThermooptical tuningCutoff frequencyElectric coilsNonmetalsOptical designOptical switchesResonanceSiliconTuningCut-off frequenciesElectrical powerFree-spectral rangeHigh Q-factorIntegrated opticsLow powersOff-resonanceResonatorRib waveguidesSide-lobesSilicon-on -insulatorSilicon-on-insulator (SOI) technologySingle modesThermooptical switchThermooptical tuningWavelength-selective optical switchResonatorsArticle10.1109/LPT.2005.861951