Mid-infrared Raman sources using spontaneous Raman scattering in germanium core optical fibers

Mid-infrared Raman sources using spontaneous Raman scattering in germanium core optical fibers

Mid-infrared Raman sources based on spontaneous Raman scattering have been demonstrated in a 15-μm diameter glass-clad crystalline germanium optical fiber and in a germanium-wire. A quantum cascade laser was used as pump at a wavelength of 5.62 μm. Because of their ultra-high optical nonlinearities...

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Veröffentlicht in:Applied physics letters 2013-01, Vol.102 (1)
Hauptverfasser: Wang, Pengfei, Charlton O'Mahony, Christy, Lee, Timothy, Ismaeel, Rand, Hawkins, Thomas, Semenova, Yuliya, Bo, Lin, Wu, Qiang, McDonagh, Colette, Farrell, Gerald, Ballato, John, Brambilla, Gilberto
Format: Artikel
Sprache:eng
Schlagworte:
Crystal structure
Nonlinearity
Optical fibers
Pumps
Quantum cascade lasers
Raman scattering
Spontaneous
Wavelengths
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Zusammenfassung:Mid-infrared Raman sources based on spontaneous Raman scattering have been demonstrated in a 15-μm diameter glass-clad crystalline germanium optical fiber and in a germanium-wire. A quantum cascade laser was used as pump at a wavelength of 5.62 μm. Because of their ultra-high optical nonlinearities and extremely broad transparency window, germanium core fibers offer the possibility of fabricating compact and efficient mid-infrared sources.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4773884