title: Four-photon fiber laser.
abstract: Strong infrared optical signals at the wavelengths 0.991 and 1.149 microm were produced as a result of phase-matched four-photon mixing when Nd:YAG laser light was coupled into a <4-m-long piece of single-mode glass fiber. Stimulated gain was observed, and laser action was obtained with the fiber in an external cavity.
authors.forename: W
authors.initials: W
authors.lastname: Margulis
authors.forename: U
authors.initials: U
authors.lastname: Osterberg