1 kW peak power passively Q-switched Nd(3+)-doped glass integrated waveguide laser |
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Authors: | Charlet B Bastard L Broquin J E |
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Institution: | Institut de Microélectronique, Electromagnétisme et Photonique - Laboratoire d'Hyperfréquences et Caractérisation, 3 Parvis Louis Néel, BP 257, 38016 Grenoble Cedex 1, France. charletb@minatec.grenoble?inp.fr |
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Abstract: | Embedded optical sensors always require more compact, stable, and powerful laser sources. In this Letter, we present a fully integrated passively Q-switched laser, which has been realized by a Ag(+)/Na(+) ion exchange on a Nd(3+)-doped phosphate glass. A BDN-doped cellulose acetate thick film is deposited on the waveguide, acting as an upper cladding and providing a distributed saturable absorption. At λ=1054 nm, the device emits pulses of 1.3 ns FWHM with a repetition rate of 28 kHz. These performances, coupled with the 1 kW peak power, are promising for applications such as supercontinuum generation. |
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