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Jianrong Qiu - One of the best experts on this subject based on the ideXlab platform.

  • Formation, near-infrared luminescence and multi-wavelength Optical Amplification of PbS quantum dot-embedded silicate glasses
    Journal of Non-Crystalline Solids, 2014
    Co-Authors: Guoping Dong, Shaohua Fan, Fangteng Zhang, Yuanhao Zhang, Mingying Peng, Jianrong Qiu
    Abstract:

    Abstract Optical properties of PbS quantum dot (QD)-embedded silicate glasses prepared through post annealing were investigated. By modulating the heat treatment condition, tunable near-infrared (NIR) photoluminescence (PL) was obtained. Noticeable Optical Amplification was achieved at both 1330 nm and 1550 nm windows with similar Amplification characteristics in single PbS QD-embedded glass, which indicated that broadband Optical Amplification is expected at the entire PL band of PbS QD-embedded glass. The PbS QD-embedded glass with multi-wavelength Optical Amplification is promising as the gain medium of broadband fiber amplifiers and tunable fiber lasers.

  • Materials designing for broadband Optical Amplification
    2009
    Co-Authors: Jianrong Qiu
    Abstract:

    In this paper, recent research development on realization of Optical functions by controlling glass microstructures is briefly reviewed. Bi-doped glasses and transparent Ni2+-doped glass ceramics are introduced. The broadband infrared luminescence properties of these materials have been described. The luminescence mechanisms and their promising applications for broadband Optical Amplification and tunable lasers are discussed.

  • Spectral properties and broadband Optical Amplification of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses
    Journal of the Optical Society of America B, 2009
    Co-Authors: Jian Ruan, Guoping Dong, Heping Zeng, Qiang Zhang, Yanbo Qiao, Danping Chen, Jianrong Qiu
    Abstract:

    We reported on the spectral properties of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses. The near-infrared luminescence intensity in Yb-Bi codoped glass was ~31 times stronger than that of Bi-doped glass with 980 nm laser diode excitation. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1270 and 1340 nm was observed from Yb-Bi codoped glass with 980 nm laser diode excitation. The highest Optical gain and gain coefficient at 1270 nm of Yb-Bi codoped silicate glass reached to 1.57 dB and 7.84 dB⋅cm−1, respectively. Yb-Bi codoped silicate glass is a promising candidate for broadband Optical Amplification.

  • Enhanced ultra-broadband Optical Amplification in Yb-Bi codoped magnesium germanate glasses
    IOP Conference Series: Materials Science and Engineering, 2009
    Co-Authors: Jian Ruan, Heping Zeng, Danping Chen, Jianrong Qiu
    Abstract:

    Yb-Bi codoped magnesium germanate glasses were prepared. Their Optical properties were investigated by absorption, luminescence spectra and luminescence decay lifetime and compared with single Bi-doped glass. The emission intensity of Yb-Bi codoped glass (MGBY) is ~10 times larger than that of single Bi-doped sample (MGB). The single-pass Optical Amplification was measured on a traditional two-wave configuration with excitation of single commercially available 980 nm laser diode. Internal Optical gain of 4.06 dB at 1310 nm and 0.76 dB at 1550 nm were realized in a 1 mm-thick bulk MGBY sample. It is more than 3 times larger than those of MGB glass. The Yb-Bi codoped glasses are promising for ultra-broadband Optical Amplification covering almost all the O, E, S, C, and L bands.

  • Enhanced broadband near-infrared luminescence and Optical Amplification in Yb–Bi codoped phosphate glasses
    Applied Physics Letters, 2008
    Co-Authors: Jian Ruan, Shifeng Zhou, Heping Zeng, G. Lakshminarayana, Jianrong Qiu
    Abstract:

    Yb–Bi codoped phosphate glass was prepared and its properties were compared with Bi-doped phosphate glass. The broadband infrared luminescence intensity from Yb–Bi codoped glass was ∼32 times stronger than that of Bi-doped glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1272 and 1336nm was observed from Yb–Bi codoped glass with 980nm laser diode excitation. The highest gain coefficient at 1272nm of Yb–Bi codoped glass reached to 2.62cm−1. Yb–Bi codoped phosphate glass is a promising material for broadband Optical Amplification.

Heping Zeng - One of the best experts on this subject based on the ideXlab platform.

  • Spectral properties and broadband Optical Amplification of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses
    Journal of the Optical Society of America B, 2009
    Co-Authors: Jian Ruan, Guoping Dong, Heping Zeng, Qiang Zhang, Yanbo Qiao, Danping Chen, Jianrong Qiu
    Abstract:

    We reported on the spectral properties of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses. The near-infrared luminescence intensity in Yb-Bi codoped glass was ~31 times stronger than that of Bi-doped glass with 980 nm laser diode excitation. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1270 and 1340 nm was observed from Yb-Bi codoped glass with 980 nm laser diode excitation. The highest Optical gain and gain coefficient at 1270 nm of Yb-Bi codoped silicate glass reached to 1.57 dB and 7.84 dB⋅cm−1, respectively. Yb-Bi codoped silicate glass is a promising candidate for broadband Optical Amplification.

  • Enhanced ultra-broadband Optical Amplification in Yb-Bi codoped magnesium germanate glasses
    IOP Conference Series: Materials Science and Engineering, 2009
    Co-Authors: Jian Ruan, Heping Zeng, Danping Chen, Jianrong Qiu
    Abstract:

    Yb-Bi codoped magnesium germanate glasses were prepared. Their Optical properties were investigated by absorption, luminescence spectra and luminescence decay lifetime and compared with single Bi-doped glass. The emission intensity of Yb-Bi codoped glass (MGBY) is ~10 times larger than that of single Bi-doped sample (MGB). The single-pass Optical Amplification was measured on a traditional two-wave configuration with excitation of single commercially available 980 nm laser diode. Internal Optical gain of 4.06 dB at 1310 nm and 0.76 dB at 1550 nm were realized in a 1 mm-thick bulk MGBY sample. It is more than 3 times larger than those of MGB glass. The Yb-Bi codoped glasses are promising for ultra-broadband Optical Amplification covering almost all the O, E, S, C, and L bands.

  • Enhanced broadband near-infrared luminescence and Optical Amplification in Yb–Bi codoped phosphate glasses
    Applied Physics Letters, 2008
    Co-Authors: Jian Ruan, Shifeng Zhou, Heping Zeng, G. Lakshminarayana, Jianrong Qiu
    Abstract:

    Yb–Bi codoped phosphate glass was prepared and its properties were compared with Bi-doped phosphate glass. The broadband infrared luminescence intensity from Yb–Bi codoped glass was ∼32 times stronger than that of Bi-doped glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1272 and 1336nm was observed from Yb–Bi codoped glass with 980nm laser diode excitation. The highest gain coefficient at 1272nm of Yb–Bi codoped glass reached to 2.62cm−1. Yb–Bi codoped phosphate glass is a promising material for broadband Optical Amplification.

  • Broadband Optical Amplification in Bi-doped germanium silicate glass
    Applied Physics Letters, 2007
    Co-Authors: Shifeng Zhou, Huafang Dong, Heping Zeng, Gaofeng Feng, Hucheng Yang, Bin Zhu, Jianrong Qiu
    Abstract:

    Bi-doped germanium silicate glass is prepared and their Optical properties are investigated. The glass sample shows broadband and flat emission characteristics compared with germanate glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. Ultrabroadband Optical Amplification at 1272 and 1560nm is observed simultaneously. The highest gain at 1272nm of germanium silicate glass reaches to 6.73dB excited with single commercially available 980nm laser diode. The glass is promising for Optical Amplification covering almost all the O, E, S, C, and L bands.

Jian Ruan - One of the best experts on this subject based on the ideXlab platform.

  • Spectral properties and broadband Optical Amplification of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses
    Journal of the Optical Society of America B, 2009
    Co-Authors: Jian Ruan, Guoping Dong, Heping Zeng, Qiang Zhang, Yanbo Qiao, Danping Chen, Jianrong Qiu
    Abstract:

    We reported on the spectral properties of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses. The near-infrared luminescence intensity in Yb-Bi codoped glass was ~31 times stronger than that of Bi-doped glass with 980 nm laser diode excitation. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1270 and 1340 nm was observed from Yb-Bi codoped glass with 980 nm laser diode excitation. The highest Optical gain and gain coefficient at 1270 nm of Yb-Bi codoped silicate glass reached to 1.57 dB and 7.84 dB⋅cm−1, respectively. Yb-Bi codoped silicate glass is a promising candidate for broadband Optical Amplification.

  • Enhanced ultra-broadband Optical Amplification in Yb-Bi codoped magnesium germanate glasses
    IOP Conference Series: Materials Science and Engineering, 2009
    Co-Authors: Jian Ruan, Heping Zeng, Danping Chen, Jianrong Qiu
    Abstract:

    Yb-Bi codoped magnesium germanate glasses were prepared. Their Optical properties were investigated by absorption, luminescence spectra and luminescence decay lifetime and compared with single Bi-doped glass. The emission intensity of Yb-Bi codoped glass (MGBY) is ~10 times larger than that of single Bi-doped sample (MGB). The single-pass Optical Amplification was measured on a traditional two-wave configuration with excitation of single commercially available 980 nm laser diode. Internal Optical gain of 4.06 dB at 1310 nm and 0.76 dB at 1550 nm were realized in a 1 mm-thick bulk MGBY sample. It is more than 3 times larger than those of MGB glass. The Yb-Bi codoped glasses are promising for ultra-broadband Optical Amplification covering almost all the O, E, S, C, and L bands.

  • Enhanced broadband near-infrared luminescence and Optical Amplification in Yb–Bi codoped phosphate glasses
    Applied Physics Letters, 2008
    Co-Authors: Jian Ruan, Shifeng Zhou, Heping Zeng, G. Lakshminarayana, Jianrong Qiu
    Abstract:

    Yb–Bi codoped phosphate glass was prepared and its properties were compared with Bi-doped phosphate glass. The broadband infrared luminescence intensity from Yb–Bi codoped glass was ∼32 times stronger than that of Bi-doped glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1272 and 1336nm was observed from Yb–Bi codoped glass with 980nm laser diode excitation. The highest gain coefficient at 1272nm of Yb–Bi codoped glass reached to 2.62cm−1. Yb–Bi codoped phosphate glass is a promising material for broadband Optical Amplification.

Shifeng Zhou - One of the best experts on this subject based on the ideXlab platform.

  • Enhanced broadband near-infrared luminescence and Optical Amplification in Yb–Bi codoped phosphate glasses
    Applied Physics Letters, 2008
    Co-Authors: Jian Ruan, Shifeng Zhou, Heping Zeng, G. Lakshminarayana, Jianrong Qiu
    Abstract:

    Yb–Bi codoped phosphate glass was prepared and its properties were compared with Bi-doped phosphate glass. The broadband infrared luminescence intensity from Yb–Bi codoped glass was ∼32 times stronger than that of Bi-doped glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1272 and 1336nm was observed from Yb–Bi codoped glass with 980nm laser diode excitation. The highest gain coefficient at 1272nm of Yb–Bi codoped glass reached to 2.62cm−1. Yb–Bi codoped phosphate glass is a promising material for broadband Optical Amplification.

  • Broadband Optical Amplification in Bi-doped germanium silicate glass
    Applied Physics Letters, 2007
    Co-Authors: Shifeng Zhou, Huafang Dong, Heping Zeng, Gaofeng Feng, Hucheng Yang, Bin Zhu, Jianrong Qiu
    Abstract:

    Bi-doped germanium silicate glass is prepared and their Optical properties are investigated. The glass sample shows broadband and flat emission characteristics compared with germanate glass. The single-pass Optical Amplification was measured on a traditional two-wave mixing configuration. Ultrabroadband Optical Amplification at 1272 and 1560nm is observed simultaneously. The highest gain at 1272nm of germanium silicate glass reaches to 6.73dB excited with single commercially available 980nm laser diode. The glass is promising for Optical Amplification covering almost all the O, E, S, C, and L bands.

  • Novel glasses and glass-ceramics for broadband Optical Amplification
    2007 Asia Optical Fiber Communication and Optoelectronic Exposition and Conference, AOE, 2007
    Co-Authors: Jianrong Qiu, Jinjun Ren, Shifeng Zhou, Botao Wu
    Abstract:

    Optical fiber amplifier plays an important role in the Optical communication system. Recently, considerable effort has been devoted to develop Optical fiber amplifiers which can be used to produce Optical gains at different communication bands. In this paper, we review recent research progress on the development of novel materials for Optical Amplification. We will introduce Bi-doped glasses and transparent Ni2+-doped glass-ceramics, which are very promising for the realization of ultrabroad band Optical Amplification.

Guoping Dong - One of the best experts on this subject based on the ideXlab platform.

  • Formation, near-infrared luminescence and multi-wavelength Optical Amplification of PbS quantum dot-embedded silicate glasses
    Journal of Non-Crystalline Solids, 2014
    Co-Authors: Guoping Dong, Shaohua Fan, Fangteng Zhang, Yuanhao Zhang, Mingying Peng, Jianrong Qiu
    Abstract:

    Abstract Optical properties of PbS quantum dot (QD)-embedded silicate glasses prepared through post annealing were investigated. By modulating the heat treatment condition, tunable near-infrared (NIR) photoluminescence (PL) was obtained. Noticeable Optical Amplification was achieved at both 1330 nm and 1550 nm windows with similar Amplification characteristics in single PbS QD-embedded glass, which indicated that broadband Optical Amplification is expected at the entire PL band of PbS QD-embedded glass. The PbS QD-embedded glass with multi-wavelength Optical Amplification is promising as the gain medium of broadband fiber amplifiers and tunable fiber lasers.

  • Spectral properties and broadband Optical Amplification of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses
    Journal of the Optical Society of America B, 2009
    Co-Authors: Jian Ruan, Guoping Dong, Heping Zeng, Qiang Zhang, Yanbo Qiao, Danping Chen, Jianrong Qiu
    Abstract:

    We reported on the spectral properties of Yb-Bi codoped MgO-Al2O3-ZnO-SiO2 glasses. The near-infrared luminescence intensity in Yb-Bi codoped glass was ~31 times stronger than that of Bi-doped glass with 980 nm laser diode excitation. No Optical Amplification was observed in Bi-doped glass, while apparent broadband Optical Amplification between 1270 and 1340 nm was observed from Yb-Bi codoped glass with 980 nm laser diode excitation. The highest Optical gain and gain coefficient at 1270 nm of Yb-Bi codoped silicate glass reached to 1.57 dB and 7.84 dB⋅cm−1, respectively. Yb-Bi codoped silicate glass is a promising candidate for broadband Optical Amplification.

  • Inhomogeneous broadening, luminescence origin and Optical Amplification in bismuth-doped glass
    Journal of Physical Chemistry A, 2008
    Co-Authors: Jinjun Ren, Renqiang Bao, Shiqing Xu, Guoping Dong, Jianrong Qiu
    Abstract:

    Absorption and luminescence spectra and Optical Amplification in bismuth-doped germanate silicate glass were investigated. Two kinds of bismuth ion valence states could exist in the glass. One is Bi2+, which has shown red luminescence, another might be Bi+, which is the active center for infrared luminescence. The infrared luminescence excited at 700, 800, and 980 nm should be ascribed to the electronic transition 3P1 --> 3P0 of Bi+ ions in three distinct sites. The shifting, broadening, and multiple configuration of the luminescence could be due to the randomly disorder of local environment and multiple sites of the active centers. In this glass, obvious Optical Amplification was realized at 1300 nm wavelength when excited at 808 and 980 nm, respectively.