22 February 2018 Fiber coupled acousto-optic modulators for near UV and blue wavelength applications
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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.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Swain, M. Swain, M. Farries , M. Farries , M. Christie , M. Christie , T. Reid, T. Reid, J. Ward, J. Ward, C. Ballance, C. Ballance, W. Kolthammer, W. Kolthammer, P. C. Gow, P. C. Gow, D. O'Brien, D. O'Brien, } "Fiber coupled acousto-optic modulators for near UV and blue wavelength applications", Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470J (22 February 2018); doi: 10.1117/12.2287718; https://doi.org/10.1117/12.2287718
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