Fig. 1. Magnetic fluid driving device and principle diagram

Fig. 2. Structure of 2×2 optical switch based on magnetic fluid drive

Fig. 3. Principle of the optical switch

Fig. 4. Structure of the optical switch with straight waveguide

Fig. 5. Optical field distribution of the optical switch with straight waveguide when the waveguide angle is 7.5°

Fig. 6. Structure of the optical switch with curved waveguide

Fig. 7. Transmissivity and crosstalk XT of the switch for the interval between two waveguides at the input

Fig. 8. Optical field distribution of the optical switch with curved waveguide

Fig. 9. Influence of microchannel widths