CPC G02B 6/3546 (2013.01) [G02F 1/313 (2013.01)] | 16 Claims |
1. A tunable waveguide element comprising:
a waveguide core;
a waveguide cladding;
a high k dielectric layer between the waveguide core and the waveguide cladding; and
an electrode disposed between the high k dielectric layer and the waveguide core.
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