@misc{kazuya2026a,
  title = {Light Emission in the 1550 nm Band in Single-Mode Erbium-Ytterbium Co-Doped Optical Fiber by Solar Pumping},
  author = {Kazuya Takimoto, Takuma Nomura, Hiroki Nakamura, Yuto Kiyota, Hiroaki Furuse, Shinki Nakamura, Fatemeh Abrishamian, Hiroyasu Sone},
  publisher = {Institute of Electrical Engineers of Japan (IEE Japan)},
  year = {2026-04-01},
  keywords = {Erbium-doped optical fiber, Erbium-Ytterbium co-doped optical fiber, Solar-pumped laser}
}