Distributed bragg reflector laser and a method of making same

摘要

Disclosed is a distributed Bragg reflector laser, which includes: an active layer; a first guide layer provided with a plurality of first gratings on an upper surface thereof and formed on one side of the active layer; and, a second guide layer provided with a plurality of second gratings on an upper surface thereof, wherein the second guide layer is formed on the other side of the active layer opposite to the first guide layer.