第Ⅰ種強度不等的非對稱兩態(tài)疊加多模疊加態(tài)光場的等冪次與不等冪次Y壓縮和H壓縮特性研究.pdf

1、西北大學碩士學位論文第Ⅰ種強度不等的非對稱兩態(tài)疊加多模疊加態(tài)光場的等冪次與不等冪次Y壓縮和H壓縮特性研究姓名：韓小衛(wèi)申請學位級別：碩士專業(yè)：理論物理指導教師：楊志勇孫秀泉2002.3.9ABSTRACTABSTRACTThepaperconstructsthefirstkindofunequallyintensityasymmetricalmultimodesuperpositionstatelightfieldIF，糾口，compos

2、edofthelinearsuperpositionofthecontrarystateofthemultimodecomplexconjugatecoherentstateandthemultimodeimaginaryconjugatecoherentstatebasedonsuperposifiontheoryofstatesinthequantummechanicsByutilizingthetheoryofmultimodes

3、queezedstates，thepropertiesofgeneralizednonlinearequalpowerNthpowerYsqueezingandH—squeezingofstate1F／馴4andthepropertiesofgeneralizednonlinearunequal—power^卜thpowerY—squeezingandH—squeezingofthestatei∥產糾口arestudiedindetai

4、lThechiefcontentsandconclusionsaredrawnasfollows：1Introducedthedevelopmentoflightfieldsqueezedstateandthefoundationaltheoryofmultimodesqueezedstates2Thepropertiesofgeneralizednonlinearequal—powerⅣ_thpowerYsqueezingandequ

5、al—powerNthpowerHsqueezingofstate州。糾darestudiedItisfoundthatiftheintensityandtheinitialphaseofthetwoquantumlightfieldstateswhichcomposedofthestate＼畢im。dareunequal，andifsomecertainconditionsalesatisfiedbytheinitialphaseof

6、allmodes，andbytheinitialphasedifferencebetweenthetWOcomponentsofthestate＼掣“?？?，andbythephotoninterferenceitemssumofeach—modecoherentstatelightfield，whichiscorrespondingtOtheabove—menlionedtwoquanttunlightfieldstates，thest

7、atef聊‘。糾口displaystheeffectsofgeneralizednonlinearequalpowerNthpowerYsqueezingandequalpowerNthpowerH—squeezingthatchangesperiodicallyThisresultisdifferentfromtheresultreportedincurrentreferencesIftheintensityandtheinitial

8、phaseofthetwoquantumlightfieldstateswhichcomposedofthestate＼掣f‘乜qareequal，thestate＼擎f曲qdegeneratestoequallyintensitygeneralmulfimodesuperpositionstatelightfieldwhichisformedbylinearsuperpositionoftwosymmetricalstatesThen

9、thestatef竹‘4糾可，andthestateIp可inthereferenceNo34presentgeneralizednonlinearequalpowerNthpowerY—degeneratesqueezingandequalpowerNthpowerHdegeneratesqueezing3Thepropertiesofgeneralizednonlinearunequal—powerMthpowerY—squeezi