Research Article
Fabrication and Characterization of a High-Gain Yb-Er Codoped Phosphate Glass Optical Amplifier
Table 1
Material and components.
| Component | Value/description | Relevant parameters |
| Pump laser | 1999CHP (3SGroup) HI1060 fiber output | 975.6 nm 650 mW (max) 5.6 m/0.125 NA PM |
| Tunable laser | HP8168F | λ > 1500 nm λ < 1600 nm |
| WDM | Go4fiber WDM9890-250-A-1 | Ports: 976–1090 nm 26 dB isolation Fiber Ø = 5.6 μm SM |
| Yb3+/Er3+ fiber | In-house developed phosphate glass fiber | Fiber = 7 μm Fiber = 25 μm NA = 0.17 |
| Collector pigtail | | Fiber Ø = 9 μm (SM) Fiber = 125 μm |
| OSA | Agilent 86140B | Max 30 dBm or 23 dBm in 10 nm |
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