Low loss directional coupling between highly dissimilar optical waveguides for high refractive index integrated photonic circuits
An optocoupler, an optical interconnect and method of manu facture providing same are
provided for coupling an optical signal between a high refractive index waveguide of an inte
grated circuit and a waveguide external to the integrated cir cuit. The optocoupler includes a
thinned high refractive index waveguide having a thickness configured to exhibit an effec
tive refractive index substantially matching a refractive index of the external waveguide.
provided for coupling an optical signal between a high refractive index waveguide of an inte
grated circuit and a waveguide external to the integrated cir cuit. The optocoupler includes a
thinned high refractive index waveguide having a thickness configured to exhibit an effec
tive refractive index substantially matching a refractive index of the external waveguide.
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