Method of Providing Electrical Separation in Integrated Devices and Related Devices
First Claim
1. A method of providing a semi-insulating (SI) separation region between two sections A and B of an integrated device, the method comprising making said separation region of a material acting as a trap for electrons and to impede current flow between sections A and B due to holes, the material of the separation region comprising AlGaInAs.
5 Assignments
0 Petitions
Accused Products
Abstract
An integrated device includes two sections (A, B), such as a DFB laser (A) and an EAM modulator (B), having a semi-insulating (SI) separation region therebetween. The separation region (24) is of a material acting as a trap on electrons and configured to impede current flow between the two sections (A, B) due to holes. The separation region (24) may be of a material acting as a trap both on electrons and holes. Alternatively, the separation region (24) is of a material that acts as a trap on electrons and is provided over a p-type substrate (20) common to the two sections (A, B).
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Citations
34 Claims
- 1. A method of providing a semi-insulating (SI) separation region between two sections A and B of an integrated device, the method comprising making said separation region of a material acting as a trap for electrons and to impede current flow between sections A and B due to holes, the material of the separation region comprising AlGaInAs.
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Specification