Non-optical loop mirror inducing birefringence bias macro bendings in the loop

This paper is about a numerical investigation of the NOLM (non optical loop mirror) with low birefringence fiber and a 0.5/0.5 coupler. We induce birefringence to the loop fiber bias macro bendings considering self-rotation polarization of the input beam. This is done in order to find its possible advantages as an optical switch.