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Er3+-doped phosphate glasses for fiber amplifiers with high gain per unit length

✍ Scribed by Shibin Jiang; Tao Luo; Bor-Chyuan Hwang; Fred Smekatala; Karine Seneschal; Jacques Lucas; Nasser Peyghambarian

Book ID: 117150181
Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 102 KB
Volume: 263-264
Category: Article
ISSN: 0022-3093
DOI: 10.1016/s0022-3093(99)00646-8

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## Abstract A new architecture of dual‐stage erbium‐doped fiber amplifier with double‐pass preamplification is successfully demonstrated. A maximum gain of 52 dB is obtained at −50‐dBm signal power with 1550‐nm signal wavelength. An efficient filtering of amplified spontaneous emission improves gai