2026-10-11T00:58:49Z https://www.scidb.cn/oai

10.57760/sciencedb.03087 2022-11-24T17:07:33Z

2022-11-24 Low-NoiseCompoundRingCavityFiberLaserwithStable Single-Longitudinal-ModeOperation doi:10.57760/sciencedb.03087 en Low-noisenarrow-linewidthsingle-longitudinal-mode SLM lasershaveseveralimportantapplications inmanyfields suchasgravitationalwavedetection atomicandmolecularphysics timeandfrequencytransfer and precisionmeasurement Currently SLM fiberlasersaredividedintothree maintypes distributedfeedback distributedBraggreflection DBR andringcavitylaser Amongthem theringcavitylaser whichemploysalong cavitydesign facilitatesincreaseincavitygaintoimproveoutputpowerusingrelativelyhigh-gainfibers Aring cavitylasercanalsobeusedinotherapplicationssuchasfrequencytuningandfeedbackcontrolbysimplyinserting opticalcomponentsintoacavity Moreover theQ-valueofafiber-laserresonatorcanbeincreasedbyemployinga longringcavity Thislongcavityhelpsinobtaininganarrowfree-runninglaserlinewidthandreducestherelaxation oscillationfrequencyofthelaser Thisisusefulinsuppressingarelaxationoscillationpeakthroughphotoelectric feedbackcontrol However alongringcavityiseasilyaffectedbecauseofexternal-environmentnoisedisturbances whichleadstoSLMinstability e g modehopping Thusfar theachievedcontinuousoperationtimeofafreerunningcompoundringcavityfiberlaser without modehoppingisonlyseveralhours Therefore althoughin principal afiber-lasersourceexhibitsexcellentperformance itcannotmeetpracticalapplicationrequirements In thisstudy alow-noisenarrow-linewidth-ringerbium-dopedfiberlaseroperatinginaSLM and maintainingits polarizationisreported  lasers; fiberlaser; compoundringcavity; polarization-maintainingfibe; single-longitudinal-mode; linewidth; noise Liu Haowei Zhang　Ji Wei Shanshan Yao Bo Mao Qinghe PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset http://www.doi.org/10.3788/CJL202148.0501017 Science Data Bank