Optoelectronic device

1 . An optoelectronic device, comprising:

a first optical channel;

a photonic component having a recess and comprising a second optical channel optically coupled to the first optical channel, wherein the first optical channel is arranged along an extending direction of the second optical channel;

a cladding oxide layer covering the second optical channel, wherein a portion of the cladding oxide layer and a portion of the second optical channel are both exposed to the recess, and the first optical channel is partially embedded in the cladding oxide layer and contacting the second optical channel; and

an organic cladding layer covering the first optical channel,

wherein the second optical channel has a side surface extending between an upper surface and a lower surface and exposed to the recess, wherein an angle formed by the upper surface and the side surface of the second optical channel is about 25 degrees.

2 . The optoelectronic device of claim 1 , wherein a surface of the portion of the cladding oxide layer and a surface of the portion of the second optical channel are exposed to the recess and are substantially aligned with each other.

3 . The optoelectronic device of claim 1 , wherein a portion of the first optical channel extends in a direction substantially perpendicular to the extending direction of the second optical channel and overlaps the cladding oxide layer in the extending direction of the second optical channel.

4 . The optoelectronic device of claim 1 , wherein the cladding oxide layer comprises a tapered portion toward the recess.

5 . An optoelectronic device, comprising:

a photonic component comprising a waveguide having a first end and a second end opposite to the first end, wherein the photonic component has an active side and a back side opposite to the active side;

a plurality of optical channels arranged vertically over the waveguide and optically coupled to the waveguide, wherein the waveguide and the optical channels extend in substantially perpendicular directions, wherein a width of the plurality of optical channels increases from the back side to the active side of the photonic component in a cross-sectional view; and

an optical component disposed over the photonic component and configured to transmit an optical signal to the waveguide through the optical channels,

wherein the optical component comprises a fiber array unit (FAU) that contacts top surfaces of the optical channels and extends beyond a lateral edge of the optical channels, and a thickness of the optical component is greater than a thickness of the waveguide.

6 . The optoelectronic device of claim 5 , wherein the waveguide is disposed more adjacent to the active side than to the back side, and the optical component is disposed more adjacent to the back side than to the active side.

7 . The optoelectronic device of claim 5 , further comprising a cladding layer between the optical component and the waveguide, wherein the optical channels are embedded in the cladding layer, wherein the cladding layer does not extend beyond the first end of the waveguide.

8 . The optoelectronic device of claim 7 , wherein the photonic component has a recess exposing the first end and forming a slope surface of the waveguide, wherein an angle formed by an upper surface and the slope surface of the waveguide is about 30 degrees in a cross-sectional view.