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1 December 2008 Tunable polymer/silicon over insulator ring resonators
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A tunable ring resonator (RR) formed from Si/SiO2 waveguides with an electro-optic polymer cladding is proposed with emphasis on the trade-off between the tuning voltage and ring radius. The ring resonator circuit combines the advantages of Si/SiO2 and polymer technologies. The advantages of this hybrid ring design over previously proposed tunable silicon rings include an increased switching speed, from 5 GHz to 20 to 100 GHz, single-polarity instead of dual-polarity voltage tuning and a voltage-independent quality factor. The hybrid design also displays a greater free spectral range (1.85 nm instead of 0.1 nm) and a wider tuning range (0.925 nm instead of 0.05 nm) and is further compatible with silicon devices. Moreover, the device has a high quality factor of 3.4×104.
©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)
Michael Gad, David Yevick, and Paul E. Jessop "Tunable polymer/silicon over insulator ring resonators," Optical Engineering 47(12), 124601 (1 December 2008).
Published: 1 December 2008

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