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首页> 外文期刊>Optical Materials >Pr~(3+)-doped phosphate glasses for fiber amplifiers operating at 1.38-1.53 μm of the fifth optical telecommunication window
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Pr~(3+)-doped phosphate glasses for fiber amplifiers operating at 1.38-1.53 μm of the fifth optical telecommunication window

机译：光纤放大器用Pr〜（3+）掺杂的磷酸盐玻璃，工作在第五光学电信窗口的1.38-1.53​​μm

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摘要

Effective near-infrared emission covering the fifth optical telecommunication window (1380-1525 nm) has been observed in Pr~(3+)-doped phosphate (LCBALP) glasses. Judd-Ofelt parameters Ω_2 (9.17 × 10~(-20) cm~2), Ω_4, (16.50 × 10~(-20) cm~2) and Ω_6 (2.41 × 10~(-20) cm~2) indicate a high inversion asymmetrical and strong covalent environment in the optical glasses. The effective bandwidth (△λ_(eff)) of the corresponding ~1D_2 → ~1G_4 transition emission is obtained to be 148 nm, and the maximum stimulated emission cross-section (σ_(em)) at 1467.5 nm is derived to be 1.29 × 10~(-20) cm~2. The quantum efficiency of Pr~(3+):~1D_2 level is identified to be 85.36%. The broad effective bandwidth and the large emission cross-section profile indicate that Pr~(3+)-doped LCBALP glass fiber is promising in the realization of effective broadband amplification, especially at E- and S-band. As an expectation, the mature oxide glasses with Pr~(3+)-doping, such as borate, phosphate and silicate glasses, are expected to be attractive candidates for broadband signal amplifiers operating at the fifth optical telecommunication window.
机译：在掺Pr〜（3+）的磷酸盐（LCBALP）玻璃中，观察到有效的近红外发射覆盖了第五个光学通讯窗口（1380-1525 nm）。 Judd-Ofelt参数Ω_2（9.17×10〜（-20）cm〜2），Ω_4，（16.50×10〜（-20）cm〜2）和Ω_6（2.41×10〜（-20）cm〜2）表示光学眼镜中的高反型不对称和强共价环境。对应的〜1D_2→〜1G_4跃迁发射的有效带宽（△λ_（eff））为148 nm，1467.5 nm处的最大受激发射截面（σ_（em））为1.29× 10〜（-20）厘米〜2。 Pr〜（3 +）：〜1D_2能级的量子效率为85.36％。宽的有效带宽和较大的发射截面轮廓表明，掺Pr〜（3+）的LCBALP玻璃纤维有望实现有效的宽带放大，特别是在E和S波段。可以预料，具有Pr〜（3+）掺杂的成熟氧化物玻璃，例如硼酸盐，磷酸盐和硅酸盐玻璃，有望成为在第五光学电信窗口工作的宽带信号放大器的有吸引力的候选材料。

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