We report the fabrication of femtosecond laser inscribed point-by-point Bragg grating in a few-mode optical fibre. We show how the flexibility of this fabrication technique is used to control the mode coupling of the grating.
© 2020 The Author(s)
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription