Nanophotonic Filters and Integrated Networks in Flexible 2D Polymer Photonic Crystals
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Englund_Nanophotonic filters.pdf
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Author(s)
Gan, Xuetao
Clevenson, Hannah A.
Tsai, Cheng-Chia
Li, Luozhou
Englund, Dirk Robert
Date Issued
July 2013
Journal
Scientific Reports
Publisher
Nature Publishing Group
Citation
Gan, Xuetao, Hannah Clevenson, Cheng-Chia Tsai, Luozhou Li, and Dirk Englund. “Nanophotonic Filters and Integrated Networks in Flexible 2D Polymer Photonic Crystals.” Sci. Rep. 3 (July 5, 2013).
Version
Final published version
Abstract
Polymers have appealing optical, biochemical, and mechanical qualities, including broadband transparency, ease of functionalization, and biocompatibility. However, their low refractive indices have precluded wavelength-scale optical confinement and nanophotonic applications in polymers. Here, we introduce a suspended polymer photonic crystal (SPPC) architecture that enables the implementation of nanophotonic structures typically limited to high-index materials. Using the SPPC platform, we demonstrate nanophotonic band-edge filters, waveguides, and nanocavities featuring quality (Q) factors exceeding 2, 300 and mode volumes (Vmode) below 1.7(λ/n)3. The unprecedentedly high Q/Vmode ratio results in a spectrally selective enhancement of radiative transitions of embedded emitters via the cavity Purcell effect with an enhancement factor exceeding 100. Moreover, the SPPC architecture allows straightforward integration of nanophotonic networks, shown here by a waveguide-coupled cavity drop filter with sub-nanometer spectral resolution. The nanoscale optical confinement in polymer promises new applications ranging from optical communications to organic opto-electronics, and nanophotonic polymer sensors.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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Creative Commons Attribution-NonCommercial-No Derivative Works 3.0 Unported License
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DOI of Published Version
https://doi.org/10.1038/srep02145
