Optical performance of Er3+/Yb3+ codoped core-cladding heterogeneous single-mode fiber amplifier

被引：1

作者：

Yang, Dianlai ^{[1
,2
]}

Lei, Weihong ^{[2
]}

Pun, Edwin Yue-Bun ^{[1
]}

Song, Feng ^{[3
]}

Gong, Hua ^{[1
,2
]}

Lin, Hai ^{[1
,2
]}

机构：

[1] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

[2] Dalian Polytech Univ, Fac Chem Engn & Mat, Dalian 116034, Peoples R China

[3] Nankai Univ, Coll Phys Sci, Photon Ctr, Tianjin 300071, Peoples R China

来源：

OPTICAL ENGINEERING | 2010年 / 49卷 / 06期

关键词：

phosphate glass fiber; core-cladding heterogeneous; high-gain coefficient; SPECTROSCOPIC PROPERTIES; MU-M; PHOSPHATE-GLASS; UP-CONVERSION; ER3+; SPECTRA; GAIN; ION; INTENSITIES; ABSORPTION;

D O I：

10.1117/1.3456620

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A high-concentration Er3+/Yb3+ codoped core-cladding heterogeneous single-mode phosphate fiber amplifier with a similar numerical aperture to the Corning SMF-28 standard single-mode optical fiber is described. Measurements and calculations are given for the device's optical absorption, strong infrared fluorescence, absorption, and emission cross-sections of Er3+, Judd-Ofelt parameters, and spontaneous transition probabilities of Er3+ in the core glasses. The relative gain (the signal enhancement) of a 5.8-cm-long fiber amplifier was measured to be 32.3 dB, and after compensating for both the propagation loss and the absorption loss, a maximum internal gain of 2.6 dB/cm at 1.535 mu m was obtained, which reveals an available core-cladding heterogeneous design strategy in developing high-gain amplifier devices. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3456620]

引用

页数：8

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