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Broadband and High Efficient 1530nm Emission from Oxyfluoride Glass Ceramics Codoped with Er 3+ and Yb 3+ Ions |
| LIU Bao-Rong1;ZHAO Li-Juan 1,2;SUN Jian1;YU Hua1;SONG Jie1;XU Jing-Jun1,2 |
| 1 Photonics Center, College of Physical Science, Nankai University, Tianjin 300071
2 Tianjin Key Lab of Photonics Materials and Technology for Information Science and the Key Lab of Weak Light Nonlinear Photonics (Ministry of Education), TEDA Applied Physics School, Nankai University, Tianjin 300457 |
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| Cite this article: |
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LIU Bao-Rong, ZHAO Li-Juan, SUN Jian et al 2007 Chin. Phys. Lett. 24 527-529 |
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Abstract The emission at 1530nm and its applications in optical communications
are discussed. The efficient width of the emission band Δeff, which is up to 91nm, is larger as compared with silica-based glass, bismuth glass and ZrF4--BaF2--LaF3--AlF3--NaF (ZBLAN) glass doped by Er 3+ ions. Under the excitation of 785\,nm laser, the emission integral intensity of 1530nm increases about five times in the glass ceramics higher than that in the glass. This is explained by the quantum cutting process by two-photon emission with phonon assistance. The results indicate that the glass ceramics are a promising candidate for developing broadband optical amplifiers in wavelength-division multiplexed systems.
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| Keywords:
71.70.Gm
81.05.Pj
78.55.-m
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Received: 19 October 2006
Published: 24 February 2007
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| PACS: |
71.70.Gm
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(Exchange interactions)
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81.05.Pj
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(Glass-based composites, vitroceramics)
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78.55.-m
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(Photoluminescence, properties and materials)
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