Optoelectronic component having passively aligned optoelectronic device
View Patent ↗Provided are optoelectronic components which include an optoelectronic device and a substrate having a first surface, a second surface opposite the first surface and a trench in the first surface, the trench including a bottom surface. An optoelectronic device is in the trench mounted directly to the bottom surface. Structure for passively aligning the optoelectronic device in the trench is further included. Also provided are optoelectronic modules and methods of forming optoelectronic components.
1. An optoelectronic component, comprising:
a substrate having a first surface, a second surface opposite the first surface and a trench in the first surface, the trench comprising a bottom surface;
an optoelectronic device in the trench mounted directly to the bottom surface, the optoelectronic device having an optical axis which is out-of-plane with respect to the substrate first surface, and
means for passively aligning the optoelectronic device in the trench.
2. The optoelectronic component of claim 1 , wherein the means for passively aligning comprises one or more sides of the trench with which the optoelectronic device is in contact.
3. The optoelectronic component of claim 2 , wherein the one or more sides of the trench are beveled.
4. An optoelectronic component, comprising;
a substrate having a first surface, a second surface opposite the first surface and a trench in the first surface;
an optoelectronic device in the trench, the optoelectronic device having an optical axis which is out-of-plane with respect to the substrate first surface, and
means for passively aligning the optoelectronic device in the trench,
wherein the substrate is made of silicon.
5. An optoelectronic component, comprising:
a substrate having a first surface, a second surface opposite the first surface and a trench in the first surface;
an optoelectronic device in the trench, the optoelectronic device having an optical axis which is out-of-plane with respect to the substrate first surface, and
means for passively aligning the optoelectronic device in the trench,
wherein the substrate is constructed of a material that is transparent to light at a wavelength of operation of to the optoelectronic device.
6. The optoelectronic component of claim 4 , further comprising an area cut into the second surface and in open communication with the trench and providing a direct optical path for optical signals to or from the optoelectronic device.
7. The optoelectronic component of claim 6 , wherein the means for passively aligning comprises a lip formed at the intersection of the trench and the cut area, wherein the lip is adapted to form a seat for locating the optoelectronic device.
8. The optoelectronic component of claim 1 , further comprising a plurality of alignment apertures in the substrate adapted to receive alignment portions affixed to a component of an optoelectronic module, whereby the substrate serves as a platform for the optoelectronic device and as a cooperative guiding member for assembly of the optoelectronic module.
9. The optoelectronic component of claim 1 , wherein the alignment apertures extend through the substrate from the first surface to the second surface.
10. An optoelectronic module, comprising:
an optoelectronic component, comprising:
a substrate having a first surface, a second surface opposite the first surface and a trench in the first surface, the trench comprising a bottom surface;
an optoelectronic device in the trench mounted directly to the bottom surface, the optoelectronic device having an optical axis which is out-of-plane with respect to the substrate first surface, and
means for passively aligning the optoelectronic device in the trench; and
a fiber optic array connector connected to the optoelectronic component.
11. The optoelectronic module of claim 10 , wherein the optoelectronic component comprises a plurality of alignment apertures in the substrate and the fiber optic array connector comprises alignment portions engaged with the alignment apertures for aligning the fiber optic array connector to the optoelectronic device.
12. The optoelectronic module of claim 11 , wherein the alignment apertures extend through the substrate from the first surface to the second surface.
13. The optoelectronic module of claim 11 , wherein the alignment portions comprise guide pins.
14. The optoelectronic module of claim 11 , wherein the alignment portions comprise alignment spheres.
15. The optoelectronic module of claim 10 , wherein the means for passively aligning comprises one or more sides of the trench with which the optoelectronic device is in contact.
16. The optoelectronic component of claim 1 , wherein the substrate is made of silicon.
17. The optoelectronic component of claim 1 , wherein the substrate is constructed of a material that is transparent to light at a wavelength of operation of the optoelectronic device.