A narrow-linewidth laser operating at the telecommunications band combined with both fast and wide-band tuning features will have promising applications.Here we demonstrate a single-mode(both transverse and longi-tudi...A narrow-linewidth laser operating at the telecommunications band combined with both fast and wide-band tuning features will have promising applications.Here we demonstrate a single-mode(both transverse and longi-tudinal mode)continuous microlaser around 1535 nm based on a fiber Fabry-Pirot microcavity,which achieves wide-band tuning without mode hopping to the 1.3 THz range and fast tuning rate to 60 kHz and yields a frequency scan rate of 1.6× 10^17Hz/s.Moreover,the linewidth of the laser is measured as narrow as3.l MHz.As the microlaser combines all these features into one fiber component,it can serve as the seed laser for versatile applications in optical communication,sensing,frequency-modulated continuous-wave radar,and high-resolution imaging.展开更多
基金National Key Research and Development Program of China(2016YFA0302700,2017YFA0304100)National Narural Scicnce Foundation of China(11734015,11774335,11804330,11821404)+3 种基金Key Research Program of Frontier Scicnces(QYZDY-SsW-SLH003)Science Foundation of the CAS(ZDRW-XH-2019-1)Fundamental Research Funds for the Central Universities(WK2470000026,WK2470000027,WK2470000028)Anhui Initiative in Quantum Information Technologies(AHY020100,AHYO700O0).
文摘A narrow-linewidth laser operating at the telecommunications band combined with both fast and wide-band tuning features will have promising applications.Here we demonstrate a single-mode(both transverse and longi-tudinal mode)continuous microlaser around 1535 nm based on a fiber Fabry-Pirot microcavity,which achieves wide-band tuning without mode hopping to the 1.3 THz range and fast tuning rate to 60 kHz and yields a frequency scan rate of 1.6× 10^17Hz/s.Moreover,the linewidth of the laser is measured as narrow as3.l MHz.As the microlaser combines all these features into one fiber component,it can serve as the seed laser for versatile applications in optical communication,sensing,frequency-modulated continuous-wave radar,and high-resolution imaging.
