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Ultracompact tapere...
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Huang, Qiangsheng
(author)
Ultracompact tapered coupler for the Si/III-V heterogeneous integration
- Article/chapterEnglish2015
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LIBRIS-ID:oai:DiVA.org:kth-169136
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-169136URI
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https://doi.org/10.1364/AO.54.004327DOI
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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 20150612
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An ultracompact tapered coupler, which is suitable for mode transformation between a 220 nm high silicon wire waveguide and a Si/III-V hybrid waveguide, is proposed for Si/III-V heterogeneous integration. The tapered coupler is composed of three sections. Since the tapered coupler avoids exciting the unwanted high-order modes in the III-V waveguide, the length of the tapered coupler can be dramatically shortened. In the proposed structure, the total length of the trisectional tapered coupler can be as short as 8 mu m with a fundamental mode-coupling efficiency of over 95% in a bandwidth of over 100 nm. The alignment tolerance of the proposed structure is also analyzed.
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Cheng, Jianxin
(author)
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Liu, Liu
(author)
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Tang, Yongbo
(author)
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He, SailingKTH,Elektroteknisk teori och konstruktion,Zhejiang University, China(Swepub:kth)u1tir6md
(author)
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KTHElektroteknisk teori och konstruktion
(creator_code:org_t)
Related titles
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In:Applied Optics54:14, s. 4327-43321559-128X2155-3165
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