GaN Blue Vertical-Cavity Surface-Emitting Lasers Using Nanoporous Distributed Bragg Reflectors

The state-of-the-art GaN VCSELs suffer from complicated fabrication and epitaxial processes. An alternative approach by using electrochemistry to create nanoporous GaN as a lattice matched low refractive index medium will be presented. A room-temperature electrically-injected blue VCSEL based on nanoporous DBR is demonstrated.