摘要
Cavityoptomechanicsisappliedtostudythecouplingbehaviorofinteractingmoleculesinsurfaceplasmonsystemsdrivenbytwo-colorlaserbeams.Differentfromthetraditionalforce–distancemeasurement,duetoaresonantfrequencyshiftorapeaksplittingontheprobespectrum,wehaveproposedaconvenientmethodtomeasurethevanderWaalsforcestrengthandinteractionenergyvianonlinearspectroscopy.Theminimumforcevaluecanreachapproximately10-15N,whichis3to4ordersofmagnitudesmallerthanthewidelyappliedatomicforcemicroscope（AFM）.Itisalsoshownthattwoadjacentmoleculeswithsimilarchemicalstructuresandnearlyequalvibrationalfrequenciescanbeeasilydistinguishedbythesplittingofthetransparencypeak.Basedonthiscoupledoptomechanicalsystem,wealsoconceptuallydesignatunableopticalswitchbyvanderWaalsinteraction.Ourresultswillprovidenewapproachesforunderstandingthecomplexanddynamicinteractionsinmolecule–plasmonsystems.
出版日期
2017年05月15日（中国期刊网平台首次上网日期，不代表论文的发表时间）
