Low-loss chalcogenide waveguides for biosensing in the mid-infrared

Author

Pan Ma ; Duk-Yong Choi ; Yi Yu ; Xin Gai ; Zhiyong Yang ; Debbarma, Sanjoy ; Madden, Steve ; Luther-Davies, Barry

Author_Institution

Centre for Ultrahigh bandwidth Devices for Opt. Syst., Australian Nat. Univ., Canberra, ACT, Australia

fYear

2014

fDate

14-16 July 2014

Firstpage

59

Lastpage

60

Abstract

We report the low-loss chalcogenide waveguides for bio sensing in the mid-infrared (MIR), which consisted of a Ge_11.5As₂₄Se_64.5 rib waveguide core on a magnesium fluoride crystalline substrate. The losses were <; 2dB/cm from 3000-1050cm-1 (3.2 - 9.5μm).

Keywords

arsenic compounds; biosensors; chalcogenide glasses; chemical sensors; germanium compounds; infrared spectra; integrated optics; magnesium compounds; optical design techniques; optical losses; optical sensors; optical waveguides; rib waveguides; Ge_11.5As₂₄Se_64.5; MgF₂; biosensing; low-loss chalcogenide waveguides; magnesium fluoride crystalline substrate; midinfrared spectra; rib waveguide core; Biomedical optical imaging; Loss measurement; Optical losses; Optical sensors; Optical waveguides; Waveguide lasers; chalcogenide glasses; devices; mid-infrared; sensors; waveguides;

fLanguage

English

Publisher

ieee

Conference_Titel

Photonics Society Summer Topical Meeting Series, 2014 IEEE

Conference_Location

Montreal, QC

Print_ISBN

978-1-4799-2766-1

Type

conf

DOI

10.1109/SUM.2014.41

Filename

6902986