二能級(jí)系統(tǒng)在局域場(chǎng)中產(chǎn)生多值對(duì)應(yīng)現(xiàn)象.pdf

1、”——第中研鬣火學(xué)碩士學(xué)位論文g％一編號(hào)——墨絲熟堡絲焦魚(yú)墊塑主差壘壘魚(yú)塹瘞塾壘學(xué)位申請(qǐng)人姓名：垂b型煎申請(qǐng)學(xué)位學(xué)生類別：塞掛墊豎蕉堡壘遮塑生堡壘lrtt請(qǐng)學(xué)位專業(yè)方向當(dāng)囊指導(dǎo)教師姓名：塑墮塑墊量Abstract—ItiswellknownthatquantumcoherenceandinterfefenceinatomicsystemscallleadtointerestingopticalphenomenaIftheatomicde

2、nsityissmall(10”atoms／eraorless)suchthatlocalfieldeffectsareunimportantThedispersionabsorptionrelationsofthemediaCallbedramaticallymodifiedbyemployingcoherentfieldstodriveitnlerearedifferentmechanismstealizeopticalbistab

3、ilityForexample，viathephaseoramplitudefluctuationofthedrivenfield，viaspontaneousemissioninducedcoherenceorviaasqueezedvacuuminput，etcAppearanceordisappearanceofthebistabilityandmultistabilitymanipulationofthehysteresisho

4、opwidths，andswitchingbetweenbistabilityandtristabilityareachievedsimplybyvaryingthesidebandamplitudesorthesumofrelativephaseofthesidebandstothecentralcomponentTheseneweffectshavemanypotentialapplicationsinfundamentalphys

5、icsandappliedphysicsHowever，itmaybepossibletoobtainmuchhigheratomicdensitiesingaseoussvstemswhereeffectsfromReal“dipole—dipole(NDD)interactionsbecomeimportantIntlffspaperwediscusstheinfluenceofatomicnonlinearitiesduetolo

6、calfieldeffectsThefieldintensityoutputfromopticalcavitydisplaysnonlinearMultiple。valuedcorrespondingfeature，ie，oneinputstatecorrespondstothreestableoutputstatesandoneoutputstatecorrespondstothreestableinputstatesMeanwhil