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Resonance-splitting...
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Zhang, ZiyangKTH,Mikroelektronik och tillämpad fysik, MAP
(author)
Resonance-splitting and enhanced notch depth in SOI ring resonators with mutual mode coupling
- Article/chapterEnglish2008
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LIBRIS-ID:oai:DiVA.org:kth-8028
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-8028URI
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https://doi.org/10.1364/OE.16.004621DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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QC 20100923. Uppdaterad från submitted till published (20100923).
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Resonance-splitting and enhanced notch depth are experimentally demonstrated in micro-ring resonators on SOI platform as a result of the mutual mode coupling. This coupling can be generated either by the nanometer-scaled gratings along the ring sidewalls or by evanescent directional coupling between two concentric rings. The transmission spectra are fitted using the time-domain coupled mode analysis. Split-wavelength separation of 0.68 nm for the 5-mu m-radius ring, notch depth of 40 dB for the 10-mu m-radius ring, and intrinsic Q factor of 2.6 x 10(5) for the 20-mu m-radius ring are demonstrated. Notch depth improvement larger than 25dB has been reached in the 40-39-mu m-radius double-ring structure. The enhanced notch depth and increased modal area for the concentric rings might be promising advantages for bio-sensing applications.
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Dainese, MatteoReplisaurus AB(Swepub:kth)u1gomxdu
(author)
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Wosinski, LechKTH,Mikroelektronik och tillämpad fysik, MAP(Swepub:kth)u1ywmbo9
(author)
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Qiu, MinKTH,Mikroelektronik och tillämpad fysik, MAP(Swepub:kth)u11okd66
(author)
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KTHMikroelektronik och tillämpad fysik, MAP
(creator_code:org_t)
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In:Optics Express16:7, s. 4621-46301094-4087
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