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Proceedings Paper

Fiber coupled acousto-optic modulators for near UV and blue wavelength applications
Author(s): M. Swain; M. Farries ; M. Christie ; T. Reid; J. Ward; C. Ballance; W. Kolthammer; P. C. Gow; D. O'Brien
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Paper Abstract

We present results from the development of a fiber-coupled Acousto-Optic modulator (Fiber-Q®) operating at near-UV and blue wavelengths.

A conventional TeO2 based Bragg diffraction design is introduced for short wavelengths optical input. Pure silica core single mode fibers (both Polarisation Maintaining (PM) and non-PM) are used as coupling fibers for their transmission at these wavelengths, and to avoid the possibility of photo darkening. The end of the fibers are fused with silica end-caps, lowering the power density on their fiber-air interfaces to achieve a higher power handling. The Fiber-Q® can be optimized for multiple wavelengths (including 397nm or 422nm) and can accept power levels of up to 100mW. A hermetically sealed package is selected to provide a clean in-package environment thus protecting the optics from damage caused by external contamination.

In this presentation we report details of the design, and test results of a fiber-coupled Acousto-Optic modulator that demonstrates the performance required for use in ion-trap quantum information processing applications.

Paper Details

Date Published: 22 February 2018
PDF: 8 pages
Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470J (22 February 2018); doi: 10.1117/12.2287718
Show Author Affiliations
M. Swain, Gooch and Housego (Torquay) (United Kingdom)
M. Farries , Gooch and Housego (Torquay) (United Kingdom)
M. Christie , Gooch and Housego (Torquay) (United Kingdom)
T. Reid, Gooch and Housego (Torquay) (United Kingdom)
J. Ward, Gooch and Housego (Ilminster) (United Kingdom)
C. Ballance, Univ. of Oxford (United Kingdom)
W. Kolthammer, Univ. of Oxford (United Kingdom)
P. C. Gow, Univ. of Southampton (United Kingdom)
D. O'Brien, Univ. of Oxford (United Kingdom)


Published in SPIE Proceedings Vol. 10547:
Advances in Photonics of Quantum Computing, Memory, and Communication XI
Zameer Ul Hasan; Philip R. Hemmer; Alan E. Craig; Alan L. Migdall, Editor(s)

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