Journal
OPTICS EXPRESS
Volume 21, Issue 25, Pages 31698-31712Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.031698
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Funding
- University of Toronto
- Natural Sciences and Engineering Research Council of Canada (NSERC) [RGPIN-355623-08]
- Collaborative Health Research Project [CPG-121050]
- Networks of Centres of Excellence of Canada, Canadian Institute for Photonic Innovations (CIPI)
- MITACS postdoctoral fellowship
- NSERC CREATE Match graduate fellowships
- Croucher Foundation Fellowship of Hong Kong
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We demonstrate for the first time a 300nm thick, 300 mu m x 300 mu m 2D dielectric photonic crystal slab membrane with a quality factor of 10,600 by coupling light to slightly perturbed dark modes through alternating nano-hole sizes. The newly created fundamental guided resonances greatly reduce nano-fabrication accuracy requirements. Moreover, we created a new layer architecture resulting in electric field enhancement at the interface between the slab and sensing regions, and spectral sensitivity of >800 nm/RIU, that is, >0.8 of the single-mode theoretical upper limit of spectral sensitivity. (C) 2013 Optical Society of America
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