title: Potassium ion exchanged glass waveguide directional couplers at 0.6328 and 1.3 microm.
abstract: We describe the fabrication and waveguiding characteristics of potassium ion exchanged single-mode glass couplers at 1.3 and 0.6328 microm.
authors.forename: S I
authors.initials: SI
authors.lastname: Najafi
authors.forename: C
authors.initials: C
authors.lastname: Wu