Abstract

Numerous recent advances in devices based on optical fiber phase gratings have increased the likelihood of their introduction into optical communications systems. Simple single-mode fiber lasers [1], hybrid semiconductor-fiber lasers [2], mode converters [3], [4], filters [5], and fiber sensors [6] have all been demonstrated. The gratings in these devices have traditionally been made by two beam interferometry [7], a slow and painstaking approach. In this paper we introduce a robust new technique which offers a clear pathway to the volume manufacture of these important fiber components.

© 1993 Optical Society of America