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Polymeric optical spot-size transformer with vertical and lateral tapers
IEEE, Sandia National Laboratories, Albuquerque, NM 87185-0603, United States, Department of Physical Electronics, Norwegian University of Science and Technology, N-7491 Trondheim, Norway.
IEEE, Sandia National Laboratories, Albuquerque, NM 87185-0603, United States.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
2002 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 20, no 7, 1188-1197 p.Article in journal (Refereed) Published
Abstract [en]

The design, fabrication, and characterization of a polymeric optical spot-size transformer with vertical and lateral tapers is reported. The vertical taper is formed by utilizing the planarization properties of a polymer, while the lateral taper is defined by photolithography. An optimization method for the taper shape is described based on fundamental results from coupled local mode theory. A total fiber to waveguide insertion loss of 0.6 dB has been measured with the integration of the transformer, an improvement of 2.1 dB. The spatial alignment tolerance for 1 dB excess loss was measured to ±2.7 µm, consistent with theory.

Place, publisher, year, edition, pages
2002. Vol. 20, no 7, 1188-1197 p.
Keyword [en]
Coupled local mode theory, Polymeric waveguides, Spot-size transformer
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-46960DOI: 10.1109/JLT.2002.800373OAI: oai:DiVA.org:liu-46960DiVA: diva2:267856
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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