A hybrid fiber amplifier with 36.9-dBm output power and 70-dB gain

Lü, Zhenguo; Liu, J.R.; Sun, Fan; Xiao, Gaozhi; Lin, Peng

doi:10.1016/j.optcom.2005.06.078

Cited by 6 publications

(3 citation statements)

References 10 publications

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“…EDFA1 and EDFA2, to pre-amplify the power of TL1 and TL2. After they combined together through a 3-dB coupler, we used our home-made high-power Er 3ϩ /Yb 3ϩ co-doped double-cladding fiber amplifier (EYCDFA) [11] to postamplify their total power of TL1 and TL2 before going through SM-DSFs up to 35 dBm, which power level can significantly enhance the optical nonlinear effects within SM-DSFs since optical nonlinearity of SM-DSFs is proportional to the power of the input signals. This high power signal goes through the several well-designed SM-DSFs to be expanded.…”

Section: Experimental Set-up Discussion and Resultsmentioning

confidence: 99%

An over 40 channel multi‐wavelength laser source

Lü

Liu

Zhang

2007

Micro & Optical Tech Letters

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ABSTRACT:We have demonstrated an over 40-channel multi-wavelength laser comb source with the 50-GHz equal frequency spacing between the adjacent channels over the C-band wavelength range. The output spectra could be described by using the simplified stimulated four-wave nonlinear coupled equations taking into account the thirdorder nonlinear optical interaction in the single-mode dispersionshifted fibers.

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Section: Experimental Set-up Discussion and Resultsmentioning

confidence: 99%

An over 40 channel multi‐wavelength laser source

Lü

Liu

Zhang

2007

Micro & Optical Tech Letters

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“…4a shows the measured absorption characteristic for SM-EYDF-7/130). In these types of fibers pumping is concerned with the ytterbium ions and energy is transferred to the ions of erbium [18]. As optical pumps we used the JDSU L4-9897510-100E 975 nm 10 W laser diodes, each of which was pigtailed into a standard multimode fiber with a 105 µm core diameter and a 0.22 numerical aperture.…”

Section: The Power Stage Of the Amplifier Cascadementioning

confidence: 99%

Fiber-MOPA sources of coherent radiation

Kaczmarek¹,

Soboń²,

Sotor³

et al. 2010

Bulletin of the Polish Academy of Sciences: Technical Sciences

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Abstract. This paper presents the concept and design of medium to high power fiber radiation sources in MOPA (Master Oscillator Power Amplifier) configuration. Research results are presented on a two-stage power amplifier for MOPA applications for the third telecommunications window at 1550 nm based on active erbium-doped and erbium/ytterbium-doped fibers. The amplifier is fabricated entirely in fiber technology and delivers several watts of output power.

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“…Usually, the corresponding output power was expected to be more than 1 W [1][2][3] . However, the output power of the conventional high-speed semiconductor laser of 1550 nm was less than 10 mW.…”

Section: Introductionmentioning

confidence: 99%

A high-power laser source of 1GB/s, 2.47W

Wang

Jiang

et al. 2010

2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics

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A high-power and high-speed laser source was studied in this paper. The laser source consists of a high-speed DFB laser diode modulated by a LiNbO 3 modulator and a twostage hybrid fiber amplifier. The hybrid fiber amplifier contained a C-band erbium doped fiber amplifier pumped by a single mode laser diode, and an erbium/ytterbium co-doped double-cladding fiber amplifier pumped by two multimode laser diodes. At the single-mode laser diode pump power of 318 mW, and the total pump power of the two multi-mode pump source of 11.1 W, the maximum output power of 2.47 W and the signal rate of the laser output of 1 Gb/s were obtained. The output spectrum of high speed laser source was measured. The main peak at the center wavelength of 1555.45 nm was strong, indicating well inhibited amplified spontaneous emission. Keywords-atmospheric laser communication; master oscillator power amplifier; high power fiber amplifierI.

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A hybrid fiber amplifier with 36.9-dBm output power and 70-dB gain

Cited by 6 publications

References 10 publications

An over 40 channel multi‐wavelength laser source

An over 40 channel multi‐wavelength laser source

Fiber-MOPA sources of coherent radiation

A high-power laser source of 1GB/s, 2.47W

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