Low-loss, broadband and high fabrication tolerant vertically tapered optical couplers for monolithic integration of Si3N4 and polymer waveguides

Jinfeng Mu, M. Dijkstra, Yean Sheng Yong, F.B. Segerink, Kerstin Worhoff, M. Hoekman, Arne Leinse, S.M. García Blanco

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Abstract

A low-loss, broadband and high fabrication tolerant optical coupler for the monolithic integration of Si3N4 and polymer waveguides is designed and experimentally demonstrated. The coupler is based on the adiabatic vertical tapering of the Si3N4 waveguides. Low-loss operation is experimentally verified at both 976 and 1460–1635 nm wavelengths. Measured losses per coupler are as low as 0.12 and 0.14 dB at 976 and 1550 nm, respectively, and below 0.2 dB at both wavelengths for lateral misalignments between the Si3N4 and polymer waveguides up to 1.0 μm.

Original languageEnglish
Pages (from-to)3812-3815
Number of pages4
JournalOptics letters
Volume42
Issue number19
DOIs
Publication statusPublished - 1 Oct 2017

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couplers
broadband
waveguides
fabrication
polymers
tapering
wavelengths
misalignment

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title = "Low-loss, broadband and high fabrication tolerant vertically tapered optical couplers for monolithic integration of Si3N4 and polymer waveguides",
abstract = "A low-loss, broadband and high fabrication tolerant optical coupler for the monolithic integration of Si3N4 and polymer waveguides is designed and experimentally demonstrated. The coupler is based on the adiabatic vertical tapering of the Si3N4 waveguides. Low-loss operation is experimentally verified at both 976 and 1460–1635 nm wavelengths. Measured losses per coupler are as low as 0.12 and 0.14 dB at 976 and 1550 nm, respectively, and below 0.2 dB at both wavelengths for lateral misalignments between the Si3N4 and polymer waveguides up to 1.0 μm.",
author = "Jinfeng Mu and M. Dijkstra and Yong, {Yean Sheng} and F.B. Segerink and Kerstin Worhoff and M. Hoekman and Arne Leinse and {Garc{\'i}a Blanco}, S.M.",
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Low-loss, broadband and high fabrication tolerant vertically tapered optical couplers for monolithic integration of Si3N4 and polymer waveguides. / Mu, Jinfeng ; Dijkstra, M. ; Yong, Yean Sheng; Segerink, F.B. ; Worhoff, Kerstin; Hoekman, M.; Leinse, Arne; García Blanco, S.M. .

In: Optics letters, Vol. 42, No. 19, 01.10.2017, p. 3812-3815.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Mu, Jinfeng

AU - Dijkstra, M.

AU - Yong, Yean Sheng

AU - Segerink, F.B.

AU - Worhoff, Kerstin

AU - Hoekman, M.

AU - Leinse, Arne

AU - García Blanco, S.M.

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AB - A low-loss, broadband and high fabrication tolerant optical coupler for the monolithic integration of Si3N4 and polymer waveguides is designed and experimentally demonstrated. The coupler is based on the adiabatic vertical tapering of the Si3N4 waveguides. Low-loss operation is experimentally verified at both 976 and 1460–1635 nm wavelengths. Measured losses per coupler are as low as 0.12 and 0.14 dB at 976 and 1550 nm, respectively, and below 0.2 dB at both wavelengths for lateral misalignments between the Si3N4 and polymer waveguides up to 1.0 μm.

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