期刊
OPTICS EXPRESS
卷 18, 期 12, 页码 12176-12184出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.012176
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资金
- Interconnect Focus Center
- NSF GRF
- Stanford Graduate Fellowship
We demonstrate up to 30 nm tuning of gallium phosphide photonic crystal cavities resonances at similar to 1.5 mu m using a tapered optical fiber. The tuning is achieved through a combination of near-field perturbations and mechanical deformation of the membrane, both induced by the fiber probe. By exploiting this effect, we show fiber-coupled second harmonic generation with a tuning range of nearly 10 nm at the second harmonic wavelength of similar to 750 nm. By scaling cavity parameters, the signal could easily be shifted into other parts of the visible spectrum. (C)2010 Optical Society of America
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