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Optical Engineering • Open Access

Mid-infrared integrated optics: versatile hot embossing of mid-infrared glasses for on-chip planar waveguides for molecular sensing
Author(s): Angela B. Seddon; Nabil S. Abdel-Moneim; Lian Zhang; Wei J. Pan; David Furniss; Christopher J. Mellor; Tomas Kohoutek; Jiri Orava; Tomas Wagner; Trevor M. Benson

Paper Abstract

The versatility of hot embossing for shaping photonic components on-chip for mid-infrared (IR) integrated optics, using a hard mold, is demonstrated. Hot embossing <italic<via</italic< fiber-on-glass (FOG), thermally evaporated films, and radio frequency (RF)-sputtered films on glass are described. Mixed approaches of combined plasma etching and hot embossing increase the versatility still further for engineering optical circuits on a single platform. Application of these methodologies for fabricating molecular-sensing devices on-chip is discussed with a view to biomedical sensing. Future prospects for using photonic integration for the new field of mid-IR molecular sensing are appraised. Also, common methods of measuring waveguide optical loss are critically compared, regarding their susceptibility to artifacts which tend artificially to depress, or enhance, the waveguide optical loss.

Paper Details

Date Published: 4 June 2014
PDF: 10 pages
Opt. Eng. 53(7) 071824 doi: 10.1117/1.OE.53.7.071824
Published in: Optical Engineering Volume 53, Issue 7
Show Author Affiliations
Angela B. Seddon, The Univ. of Nottingham (United Kingdom)
Nabil S. Abdel-Moneim, The Univ. of Nottingham (United Kingdom)
Lian Zhang, The Univ. of Nottingham (United Kingdom)
Wei J. Pan, The Univ. of Nottingham (United Kingdom)
David Furniss, The Univ. of Nottingham (United Kingdom)
Christopher J. Mellor, The Univ. of Nottingham (United Kingdom)
Tomas Kohoutek, Univ. Pardubice (Czech Republic)
Jiri Orava, Univ. Pardubice (Czech Republic)
Tohoku Univ. (Japan)
Univ. of Cambridge (United Kingdom)
Tomas Wagner, Univ. Pardubice (Czech Republic)
Trevor M. Benson, The Univ. of Nottingham (United Kingdom)

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