| 1. | Erbium - doped optical waveguide amplifier has received extensive attention because it has several merits , such as low - loss , high gain , small size , low facture cost , small index of noise , small polarization relativity and convenient for integration
掺铒光波导放大器具有损耗低、单位长度增益高、体积小、成本低、噪声系数低、很小的极化相关性,便于集成等特点,正受到越来越广泛的关注。 |
