Reflectors and tuning elements for widely-tunable GaAs-based sampled grating DBR lasers

Novel 1064 nm DBR lasers combining active layer removal and surface gratings

“…In [11,12] we presented a technology for GaAs-based lasers, which allows the removal of the active layer in the grating section and the simultaneous embedding of a Bragg grating by several wet-chemical etch processes and a two-step epitaxy. This technology was used for the fabrication of sampled grating (SG) DBR lasers to obtain a wide (20 nm) tunability.…”