Fiber-to-chip light coupling using a graded-index lensed fiber collimator

  • Fiber-to-chip light coupling using a graded-index (GRIN) fiber collimator is investigated. Our experiments with grating couplers and strip waveguides fabricated in a photonic integrated circuit technology reveal that the peak coupling efficiency of a GRIN fiber collimator is 7.8 dB lower than that of a single-mode fiber. However, the 3-dB alignment tolerance is improved by a factor of about 5.7 giving rise to pluggable sensor solutions. This work opens a path toward a cost-effective and portable sensor platform based on pluggable photonic biosensors using GRIN fiber collimators.

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Metadaten
Author:Siegfried Bondarenko, Marcel Hülsemann, Andreas MaiORCiD, Patrick SteglichORCiD
URN:urn:nbn:de:kobv:526-opus4-13749
DOI (Version of Record):https://doi.org/10.1117/1.OE.60.1.014105
ISSN:1560-2303
Parent Title (English):Optical Engineering
Publisher:SPIE
Document Type:Article
Language:English
Year of Publication:2021
Publishing Institution:Technische Hochschule Wildau
Release Date:2021/02/16
Volume:60
Issue:1
Source:Siegfried Bondarenko, Marcel Hülsemann, Andreas Mai, and Patrick Steglich "Fiber-to-chip light coupling using a graded-index lensed fiber collimator," Optical Engineering 60(1), 014105 (29 January 2021). https://doi.org/10.1117/1.OE.60.1.014105
Copyright:Copyright (2021) Society of Photo‑Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this publication for a fee or for commercial purposes, and modification of the contents of the publication are prohibited.
Faculties an central facilities:Fachbereich Ingenieur- und Naturwissenschaften
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 621 Angewandte Physik
Licence (German):Das Dokument ist urheberrechtlich geschützt
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