| YDFA | Ytterbium-doped fiber amplifier |
| NF | Noise figure |
| EDFA | Erbium-doped fiber amplifier |
| CW | Continuous wave |
| MOPA | Master oscillator power amplifier |
| FCPA | Fiber chirped power amplifier |
| YDF | Ytterbium-doped fiber |
| ASE | Amplified spontaneous emission |
| OPM | Optical power meter |
| OSA | Optical spectrum analyzer |
| OSNR | Optical signal to noise ratio |
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