Jhon, Young Min Kim Myung-Uk 김봉규 이정찬 KIM SANG KUK CHOI SANG SAM 2024-01-13T16:33:16Z 2024-01-13T16:33:16Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/109027 English single-frequency single-polarization erbium-doped fiber ring laser Single-frequency and single-polarization Er3+-doped fiber laser with less than 0.7kHz linewidth Conference 2 CLEO/Pacific Rim'99 Technical Digest, pp.23 - 24 CLEO/Pacific Rim'99 Technical Digest 23 24 KO