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Ultra-compact channel drop filter based on photonic crystal nanobeam cavities utilizing a resonant tunneling effect
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. Zhejiang University, China.
2014 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 39, no 24, 6973-6976 p.Article in journal (Refereed) Published
Abstract [en]

The design, fabrication, and characterization of a compact photonic crystal nanobeam drop filter based on the tunneling effect of the degenerate modes are presented. The degeneracy was achieved by tuning the coupling distance between the nanobeam and input/output waveguides. The tunneling effect of degenerate resonances with different symmetries has been verified experimentally. Channel drop filters with an extinction ratio larger than 10 dB and a quality factor of similar to 5000 have been experimentally demonstrated.

Place, publisher, year, edition, pages
2014. Vol. 39, no 24, 6973-6976 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-160071DOI: 10.1364/OL.39.006973ISI: 000346347900053Scopus ID: 2-s2.0-84919667338OAI: oai:DiVA.org:kth-160071DiVA: diva2:791106
Note

QC 20150225

Available from: 2015-02-26 Created: 2015-02-13 Last updated: 2017-12-04Bibliographically approved

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