title: Single-frequency 1559-nm erbium-doped fiber laser pumped by a 650-nm semiconductor laser.
abstract: A single-frequency laser with a 2-cm-length erbium-doped fiber and fiber-grating coupler mirrors was operated successfully with a 650-nm semiconductor pump laser. Laser pump threshold was 0.91-mW and 34- ?W output power at 1559 nm was obtained for 6-mW pump power.
authors.forename: C R
authors.initials: CR
authors.lastname: Giles
authors.forename: V
authors.initials: V
authors.lastname: Mizrahi