The variety of integrated optical devices which have recently been demonstrated in the aluminum oxide (Al2O3) waveguide platform is evidence of the favourable optical properties of this material [1-3]. The wafer-scale fabrication process and its compatibility with existing silicon waveguide technology further emphasize the significance of this material . The ability to integrate Bragg grating structures with Al2O3 waveguides provides the opportunity to realize monolithic optical cavities for the successful realization of compact distributed feedback (DFB)  and distributed Bragg reflector (DBR) lasers. In this paper we describe the fabrication, characterization, and application of holographically written integrated Bragg gratings and DBR cavities in Al2O3 channel waveguides.
© 2011 Optical Society of AmericaPDF Article