A substrate with a surface, the surface having disposed thereon a first stack of distributed Bragg reflectors, an active area, a second stack of distributed Bragg reflectors, a contact region, and a dielectric layer is provided. A first isolation trench is formed that extends through the dielectric layer, the contact region, and into a portion of the second stack of distributed Bragg reflectors. A dielectric layer is disposed on the substrate. A second isolation trench is formed through the nitride layer, the contact region, the second stack of distributed Bragg reflectors, the active region and a portion of the first stack of distributed Bragg reflectors, wherein the second isolation trench encircles the first isolation trench. A first electrical contact is formed on the second stack of distributed Bragg reflectors and a second electrical contact is formed on the contact region.