Abstract

Slot photonic crystal cavities are of great interest for their advantages of small footprint as well as pretty high quality factors and large (Q/V) factors. A series of slot photonic crystal heterostructure cavities with resonant wavelengths in the range 1.3 µm - 1.6 µm has been designed and fabricated with Q of tens of 10000 and (Q/V) reaching 800 000. These works open perspectives for on-chip nonlinear optics and biosensing.

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