[1] Barbier D, Bruno P, Cassagnettes C et al.. Net gain of 27 dB with a 8.6-cm-long Er/Yb-doped glass-planar-amplifier. Opt. Fiber Commun. Conf., OFC ′98 Technical Digest, San Jose, California. 45～46

[2] Barbier D. The present and future of EDWA technology. Technical Program Committee OFC ′2002, Anaheim California,TuB3

[3] Iannone C, Reichmann K C, Birk M et al.. A 160-km transparent metro WDM ring network featuring cascaded erbium-doped waveguide amplifiers. OSA Optical Fiber Communications (OFC) Proceedings, CA 2001, Anaheim, March, 17～22

[5] Shooshtari A, Touam T, Najafi S I. Yb3+ sensitized Er3+-doped waveguide amplifiers: a theoretical approach. Proc. SPIE, 2000, 3278:149～165

[9] Pedersen B, Bjarklev A, Povlsen J H. The design of erbium-doped fiber amplifier. J. Lightwave Technol., 1991, 9(8):1105～1112