Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification


Krishnamurthi, M., Sparks, J. R., He, R., Temnykh, I. A., Baril, N. F., Liu, Z., Sazio, P. J. A., Badding, J. V. and Gopalan, V. (2012) Array of tapered semiconductor waveguides in a fiber for infrared image transfer and magnification. Optics Express, 20, (4), 4168-4175. (doi:10.1364/OE.20.004168).

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Original Publication URL: http://dx.doi.org/10.1364/OE.20.004168

Description/Abstract

The proof-of-concept of an infrared imaging tip by an array of infrared waveguides tapered as small as 2 μm is demonstrated. The fabrication is based on a high-pressure chemical fluid deposition technique to deposit precisely defined periodic arrays of Ge and Si waveguides within a microstructured optical fiber template made of silica to demonstrate the proposed concept at wavelengths of 10.64 μm and 1.55 μm, respectively. The essential features of the imaging system such as isolation between adjacent pixels, magnification, optical throughput, and image transfer characteristics are investigated. Near-field scanning at 3.39 μm wavelength using a single tapered Ge core is also demonstrated.

Item Type: Article
ISSNs: 1094-4087 (print)
Related URLs:
Subjects: Q Science > QC Physics
Divisions: Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
ePrint ID: 334088
Date Deposited: 06 Mar 2012 13:06
Last Modified: 27 Mar 2014 20:19
Research Funder: EPSRC
Projects:
NSF Materials World Network: Semiconductor photonic materials inside microstructured optical fibers
Funded by: EPSRC (EP/I035307/1)
Led by: Pier Sazio
1 January 2012 to 31 December 2014
URI: http://eprints.soton.ac.uk/id/eprint/334088

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