Patent ID: 6852558
Filing Date: 2005-02-08
Classification: H01S

Abstract:
1. A method of fabricating a planar index guided vertical cavity surface emitting laser, the method comprising: providing layers of a substrate, an n-DBR mirror coupled to the substrate, an active area having quantum wells coupled to the n-DBR mirror, and a p-DBR mirror coupled to the active area; implanting a cylindrical pattern of protons into the p-DBR mirror to a depth near the active area to form an implanted proton region in the p-DBR mirror; etching a pattern of index guide openings in the p-DBR mirror to form an optical confinement region; depositing an electrically insulating material into the etched pattern of index guide openings; depositing a first metalization in a top contact pattern on a surface of the p-DBR to form a first contact terminal and provide a low resistive contact and allow emission of photons from the optical confinement region; and, depositing a second metalization on a surface of the substrate to form a second contact terminal.