Abstract
Research towards understanding the topological Berry's phase (Φ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">B</sub> ) has been driven by its manifestation in various interesting quantum mechanical and optical phenomena. In helical fibre structures, the generation of Φ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">B</sub> is well documented, and recently the amplification of Berry's phase using a ring resonator was observed. In this work, we show it is theoretically possible to generate a large Berry's phase using compact optical microcoil resonators (OMRs) formed by tightly winding a microfibre around a rod such that light can evanescently couple between neighbouring turns. In particular, the effect of Φ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">B</sub> on the OMR transmission is analysed, in order to understand the associated polarisation effects which are potentially important for developing OMR applications.
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