Jhon, YM Choi, KS Byun, YT Kim, JH Lee, S Seo, DS 2024-01-21T07:14:18Z 2024-01-21T07:14:18Z 2021-09-02 2004-04 1041-1135 https://pubs.kist.re.kr/handle/201004/137742 Optical pulses of 10-50-GHz repetition frequencies have been generated by rational harmonically mode locking a semiconductor fiber ring laser using cross-gain modulation by 10-GHz external double optical pulses. The output is pulsewidth-variable from 6.4 to 14 ps, wavelength-tunable from 1530 to 1560 nm, and remains relaxation-free even though the injected external optical pulses have large relaxation oscillation noise. English IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC Pulsewidth-variable relaxation-free optical millimeter-wave generation from a semiconductor fiber ring laser Article 10.1109/LPT.2004.823736 1 IEEE PHOTONICS TECHNOLOGY LETTERS, v.16, no.4, pp.1158 - 1160 IEEE PHOTONICS TECHNOLOGY LETTERS 16 4 1158 1160 scie scopus 000220612700067 2-s2.0-1942532765 Engineering, Electrical & Electronic Optics Physics, Applied Engineering Optics Physics Article millimeter wave pulsewidth variable relaxation free ring laser semiconductor fiber ring laser