We demonstrate critically coupled silicon microring resonators with intrinsic Q close to 300,000 and mode volume V ? 20×(?/n<sup>e</sup>)<sup>3</sup>. For sub-mW optical power, large pump induced resonance shifts were observed for applications in all-optical switching.
© 2008 Optical Society of America
S. Xiao, H. Shen, M. Khan, and M. Qi, "Low-Power Light Control with Light in High Q/V Silicon Microring Resonators," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CTuGG6.
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