Selected Papers on Rare-earth-doped Fiber Laser Sources and AmplifiersMichel J. F. Digonnet (Engineer) |
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Page 166
... quantum lim- it is found . This study thus demonstrates the possibility of quantum limited or near quantum limited noise regime for amplification of wavelength division multiplexed signals in erbium doped fibers . Note that such a ...
... quantum lim- it is found . This study thus demonstrates the possibility of quantum limited or near quantum limited noise regime for amplification of wavelength division multiplexed signals in erbium doped fibers . Note that such a ...
Page 201
... quantum efficiency , defined as v , n2 ( z ) = + V2 dp * / dz v , dp , / dz ( 12 ) Assuming that there is no excited state absorption , each absorbed pump photon results in the transfer of an electron from the ground state to the ...
... quantum efficiency , defined as v , n2 ( z ) = + V2 dp * / dz v , dp , / dz ( 12 ) Assuming that there is no excited state absorption , each absorbed pump photon results in the transfer of an electron from the ground state to the ...
Page 205
... Quantum efficiency 0.4 power ( mW ) 150 100 0.8 0.6 Quantum efficiency 0.4- Forward + Backward Backward ( b ) Fig . 6. ( a ) Signal power and ( b ) quantum efficiency as function of input pump power for a 4 m long fiber . 50 45 88 40 ...
... Quantum efficiency 0.4 power ( mW ) 150 100 0.8 0.6 Quantum efficiency 0.4- Forward + Backward Backward ( b ) Fig . 6. ( a ) Signal power and ( b ) quantum efficiency as function of input pump power for a 4 m long fiber . 50 45 88 40 ...
Contents
Fabrication and characterization of lowloss optical fibers containing rare | 19 |
Groundstate and excitedstate absorption in rareearth doped optical fibres | 158 |
Section Five NeodymiumDoped | 235 |
Copyright | |
4 other sections not shown
Common terms and phrases
absorbed pump power bandwidth cavity configuration coupler coupling cross section curve D. N. Payne dB/mW Desurvire device Digonnet dopant doped fibre EDFA effect Electronics Letters Er-doped Er³ erbium erbium-doped fiber amplifier excited excited state absorption experimental fiber length fibre laser fluorescence frequency glass IEEE ions laser diode laser pumped launched pump power Lett linewidth loss maximum Mears measured mirror mode-locked modulator Nd-doped Nd³ noise figure obtained Optical Amplifiers optical fibre oscillation output coupler output power parameters peak power photon polarisation population inversion POWER mW pulse pump and signal pump light pump mode pump source pump wavelength Q-switched quantum rare-earth ratio Reekie reflectivity reflector resonator saturation shown in Fig signal power signal wavelength silica single mode single-mode fiber slope efficiency spectral spectrum spontaneous emission superfluorescent temperature three-level threshold transition tunable width