High-efficiency vertical fibre-to-polymer waveguide coupling scheme for scalable polymer photonic circuits Article Swipe
A. Kumar
,
Siddharth Nambiar
,
Rakshitha Kallega
,
Praveen Ranganath
,
Priya Ea
,
Shankar Kumar Selvaraja
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1364/oe.412266
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.1364/oe.412266
Polymer photonic circuits offer a versatile platform for various applications, including communication, sensing and optical signal processing. Though polymers offer broadband, linear and nonlinear optical properties, the coupling between an optical fibre and a polymer waveguide has been a challenge. In this work, we propose and demonstrate a wafer-scale vertical coupling scheme for polymer waveguides. The scheme uses a silicon nitride grating coupler with an inverse taper to couple between an optical fibre and a SU 8 polymer waveguide. We demonstrate a maximum coupling efficiency of -3.55 dB in the C-band and -2.92 dB in the L-band with a 3-dB bandwidth of 74 and 80 nm, respectively. A detailed design and simulation, fabrication, and characterisation results are presented. The scheme demonstrates a scalable and efficient surface grating approach for polymer photonic integrated circuits.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1364/oe.412266
- OA Status
- gold
- Cited By
- 9
- References
- 41
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3127572914
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3127572914Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1364/oe.412266Digital Object Identifier
- Title
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High-efficiency vertical fibre-to-polymer waveguide coupling scheme for scalable polymer photonic circuitsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-02-01Full publication date if available
- Authors
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A. Kumar, Siddharth Nambiar, Rakshitha Kallega, Praveen Ranganath, Priya Ea, Shankar Kumar SelvarajaList of authors in order
- Landing page
-
https://doi.org/10.1364/oe.412266Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://doi.org/10.1364/oe.412266Direct OA link when available
- Concepts
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Materials science, Photonic integrated circuit, Grating, Optoelectronics, Waveguide, Electronic circuit, Photonics, Photonic crystal, Optics, Silicon photonics, Broadband, Coupling (piping), Bandwidth (computing), Telecommunications, Computer science, Physics, Metallurgy, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
9Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 2, 2024: 1, 2023: 1, 2022: 2, 2021: 3Per-year citation counts (last 5 years)
- References (count)
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41Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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