1$\,\times\,$4 Wavelength Reconfigurable Photonic Switch Using Thermally Tuned Microring Resonators Fabricated on Silicon Substrate

We report a 1 times 4 wavelength reconfigurable photonic switch based on thermally tuned microring resonators (MRs) fabricated on a silicon-on-insulator substrate. The high refractive index of silicon facilitates the formation of highly confined optical waveguides and MRs. With a fabricated ring dia...

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Published in:IEEE photonics technology letters 2007, Vol.19 (9), p.704-706
Main Authors: Ng, Han-Yong, Wang, Michael R., Li, Daqun, Wang, Xuan, Martinez, Jose, Panepucci, Roberto R., Pathak, Kachesh
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Language:English
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cited_by cdi_FETCH-LOGICAL-c1836-17e281b1afed8b2eb0ab70f724112d6b803db6c50966170101f191fbbc4eaeee3
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description We report a 1 times 4 wavelength reconfigurable photonic switch based on thermally tuned microring resonators (MRs) fabricated on a silicon-on-insulator substrate. The high refractive index of silicon facilitates the formation of highly confined optical waveguides and MRs. With a fabricated ring diameter of about 10 mum, the MRs support 18-nm free-spectral range and 0.15-nm resonant spectral linewidth. Many wavelength channels can be selected through local thermal tuning of resonators for reconfigurable switching and wavelength-division multiplexing/demultiplexing. The switch response time is about 1 ms. The results suggest the feasibility of high port-count photonic circuitry with dynamic wavelength reconfiguration capability for the development of large-scale integrated photonics.
doi_str_mv 10.1109/LPT.2007.895420
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title 1$\,\times\,$4 Wavelength Reconfigurable Photonic Switch Using Thermally Tuned Microring Resonators Fabricated on Silicon Substrate
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