简介：Scalefactorofaconstantratebiasedringlasergyro(RLG)isstudiedboththeoreticallyandexperimentally.Byanalyzingexperimentaldata,wefindthattherearethreemaintermscontributingtothescalefactordeviation.Oneofthemisindependentoftime,thesecondvarieslinearlywithtimeandthethirdvariesexponentiallywithtime.Theoreticalanalysesshowthatthefirsttermiscausedbyexperimentalsetup,thesecondandthethirdarecausedbyun-uniformthermalexpensionandcavitylossvariationoftheRLG.

简介：Squeezedstateoflightexploresanewerainnoiselesscommunicationanddataprocessingrecentlybreakingthequantumlimitofnoise.Weproposeanewmechanismofmodulatinganamplitude-squeezedsignalwiththeinstantaneousintensityvariationofacoherentsignal.Themodulatingsignalisacoherentlightwheretheamplitude-squeezedlighttakestheroleofacarriersignal.