Patent ID: 7961988

Claim:
A voltage-tunable wavelength selective ring resonator comprising: a ring-shaped waveguide formed on a semiconductor substrate, the ring-shaped waveguide being configured to propagate optical signals having predetermined resonant wavelengths; an organic electro-optic cladding layer formed over the ring-shaped waveguide, the electro-optic cladding layer having a voltage-controlled variable refractive index and comprising an organic electro-optic material of YL124 and electro-optic dendrimer PSLD41; and voltage applying means for applying a voltage across the electro-optic cladding layer, the means for applying being configured to apply a wavelength-specific control voltage to the electro-optic cladding layer, the wavelength-specific control voltage corresponding to the predetermined resonant wavelengths for the ring-shaped waveguide.