期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 21, 期 9, 页码 2044-2052出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2003.816854
关键词
distributed Bragg reflector (DBR) lasers; erbium (Er); optical fiber lasers; optical fiber theory; ytterbium (Yb)
High-power cladding-pumped Er3+-Yb3+ codoped fiber lasers (EYDFL) are analyzed with a detailed rate-equations model that takes into account the energy transfer between Yb3+ and Er3+. Examples of EYDFL with distributed Bragg reflector (DBR) mirrors at both fiber ends are demonstrated. Approximate quasi-analytical solutions to the rate equations show good agreement with the exact numerical solutions for practical operating conditions. An optimum design of the laser is discussed in relation to the fiber length that maximizes the output power.
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