Диссертация (1145377), страница 37
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Ìû ïðåäëîæèëè ïðîñòîé è ýôôåêòèâíûé ìåõàíèçì îïòèìèçàöèè ðàáîòûïðîòîêîëà, îñíîâàííûé íà ñîãëàñîâàíèè îïòè÷åñêîé òîëùèíû ÿ÷åéêè è äëèòåëüíîñòè èìïóëüñîâ. Ïðîàíàëèçèðîâàâ ïðÿìóþ è îáðàòíóþ ãåîìåòðèè ñ÷èòûâàíèÿ, ìû ïîêàçàëè, ÷òî ïîñëåäíÿÿ îáåñïå÷èâàåò ëó÷øèå óñëîâèÿ äëÿ ýôôåêòèâíîãî âîññòàíîâëåíèÿ ñèãíàëà.3.2 Ïðîàíàëèçèðîâàâ ñîáñòâåííûå ìîäû ðàçðàáîòàííîé ìîäåëè øèðîêîïîëîñíîéêâàíòîâîé ïàìÿòè è ñðàâíèâ èõ ñ ìîäîâîé ñòðóêòóðîé àäèàáàòè÷åñêîé ïàìÿòè, ìû ïîêàçàëè, ÷òî îáå ñõåìû ðàáîòàþò êàê ìîäîâûå ôèëüòðû, íî ïîëîñàïðîïóñêàíèÿ øèðîêîïîëîñíîé ïàìÿòè êàê ìèíèìóì íà 4 ïîðÿäêà áîëüøå, ÷åìàäèàáàòè÷åñêîé. Ýòî ïîçâîëÿåò ãîâîðèòü î ïðåèìóùåñòâå ïðåäñòàâëåííîé çäåñüìîäåëè ïàìÿòè äëÿ õðàíåíèÿ øèðîêîïîëîñíûõ ñèãíàëîâ.3.3 Ðåøèâ çàäà÷ó î ñîõðàíåíèè ñæàòîãî ñâåòà â äâóõ óïîìÿíóòûõ âûøå ìîäåëÿõïàìÿòè ìû ïîêàçàëè, ÷òî íàèëó÷øåå âîñïðîèçâåäåíèå êâàíòîâûõ ñâîéñòâ ñâåòà(ñæàòèå) äîñòèãàåòñÿ íåîáÿçàòåëüíî ïðè ìàêñèìàëüíîé ýôôåêòèâíîñòè ïàìÿòè,÷òî ñâÿçàíî ñ îñîáåííîñòÿìè ìîä Øìèäòà äëÿ ÿ÷åéêè ïàìÿòè.3.4 Ïðåäñòàâëåííàÿ ìîäåëü ñïðàâåäëèâà äëÿ ñëó÷àÿ ïðîèçâîëüíûõ îòñòðîåê ñèãíàëüíîãî è óïðàâëÿþùåãî ïîëåé îò ðåçîíàíñà ñ àòîìíîé ñðåäîé, ïðè óñëîâèè,÷òî äâóõôîòîííûé ðåçîíàíñ èìååò ìåñòî.
Ýòî ïîçâîëèëî íàì ïîëó÷èòü ðåøåíèåäëÿ äâóõ ïðåäåëüíûõ ñëó÷àåâ - ðåçîíàíñíîãî âçàèìîäåéñòâèÿ è ðàìàíîâñêîãîâçàèìîäåéñòâèÿ - â ðàìêàõ îäíîé ìîäåëè, à òàêæå îöåíèòü âëèÿíèå îòñòðîéêè íà ýôôåêòèâíîñòü ïàìÿòè â ïðîìåæóòî÷íûõ ñëó÷àÿõ. Íàéäåíû ïîðîãîâûåóñëîâèÿ, ïðè êîòîðûõ ïðèãîäíû óïðîùåííûå ìîäåëè.252Çàêëþ÷åíèåß ãëóáîêî ïðèçíàòåëüíà Þ.Ì.Ãîëóáåâó çà òî, ÷òî óâëåê ìåíÿ çàäà÷àìè êâàíòîâîéîïòèêè, çà íåîöåíèìóþ øêîëó òåîðåòè÷åñêîé ïîäãîòîâêè, òâîð÷åñêóþ è ïðîäóêòèâíóþ àòìîñôåðó, ñîçäàííóþ èì â ëàáîðàòîðèè, âñåìåðíóþ ïîìîùü è ïîääåðæêó.
Õî÷óïîáëàãîäàðèòü ñâîåãî ñîàâòîðà è êîëëåãó ïðîô. È.Â.Ñîêîëîâà çà ïîëåçíûå äèñêóññèè, à òàêæå ôðàíöóçñêèõ êîëëåã ïðîôåññîðîâ Ì.Êîëîáîâà (Lille University), Ý.Äæàêîáèíî è Ê. Ôàáðà (Pierre and Maire Curie University, Paris) çà ñîäåðæàòåëüíîåìíîãîëåòíåå ñîòðóäíè÷åñòâî. Äëÿ ìåíÿ õîðîøåé øêîëîé îêàçàëîñü ñîòðóäíè÷åñòâîñ ïðîô. À.Ñ.×èðêèíûì (ÌÃÓ), ñ êîòîðûì ìû ïîäãîòîâèëè ê èçäàíèþ íà ðóññêîìÿçûêå êíèãó "Êâàíòîâîå èçîáðàæåíèå ÿ áëàãîäàðíà åìó òàêæå çà ïîáóæäåíèå ê íàïèñàíèþ ýòîãî òåêñòà.
ß íå ìîãó íå îòìåòèòü íàøèõ ìîëîäûõ ñîòðóäíèêîâ è àñïèðàíòîâ (áûâøèõ è íàñòîÿùèõ) Â.Àâåð÷åíêî, Ä.Âàñèëüåâà, Ê.Ñàìáóðñêóþ, Ê.Òèõîíîâà,À.Ëîñåâà è À.Âåòëóãèíà. Èìåííî èõ æèâîé èíòåðåñ ê ôèçèêå è äóõ ìîëîäîãî àâàíòþðèçìà îáåñïå÷èâàþò ïðîôåññèîíàëüíûé ðîñò ëàáîðàòîðèè è ïîìîãàþò â ðàáîòå.Òàêæå õî÷åòñÿ âûðàçèòü ïðèçíàòåëüíîñòü ó÷àñòíèêàì ãîðîäñêîãî ñåìèíàðà ïî êâàíòîâîé îïòèêå íà áàçå Ïåäàãîãè÷åñêîãî óíèâåðñèòåòà èì. Ãåðöåíà ïîä ðóêîâîäñòâîìïðîô. À.Ñ.
Òðîøèíà. Ýòîò ñåìèíàð ñóùåñòâóåò óæå íå îäíî äåñÿòèëåòèå è ïîçâîëÿåòïðèâëå÷ü ê ïðîôåññèîíàëüíîé äèñêóññèè ñàìûå ëó÷øèå ñèëû â Ñàíêò-Ïåòåðáóðãå.ß áëàãîäàðíà êîëëåêòèâó êàôåäðû Îáùåé Ôèçèêè-1 è åå çàâåäóþùåìó ïðîô. È.×.Ìàøåêó çà ñîäåéñòâèå â íàïèñàíèè äèññåðòàöèè.Ñïèñîê èñïîëüçóåìûõ ñîêðàùåíèé253Ñïèñîê èñïîëüçóåìûõ ñîêðàùåíèéVCSEL âèêñåë Vertical-Cavity Surface-Emitting Laser;PBS ïîëÿðèçàöèîííûé ñâåòîäåëèòåëü;TROPO Triply Resonant Optical Parametric Oscillator - òðåõìîäîâûé îïòè÷åñêèéïàðàìåòðè÷åñêèé ãåíåðàòîð ñâåòà;Ñ× ñòåïåíü ÷èñòîòû (êâàíòîâîãî ñîñòîÿíèÿ);ÑÑ× ñïåêòðàëüíàÿ ñòåïåíü ÷èñòîòû (êâàíòîâîãî ñîñòîÿíèÿ);ÂÏÃÑ âûðîæäåííûé ïàðàìåòðè÷åñêèé ãåíåðàòîð ñâåòà;ÑÏË ñóáïóàññîíîâñêèé ëàçåð ñ ñèíõðîíèçàöèåé ôàçû;ÃÄ ãîìîäèííîå äåòåêòèðîâàíèå;BS, ÑÄÏ ñâåòîäåëèòåëüíàÿ ïëàñòèíà;ÏÈ ïèêñåëüíûé èñòî÷íèê;ÝÏÐ-ñîñòîÿíèÿ ñîñòîÿíèÿ Ýéíøòåéíà-Ïîäîëüñêîãî-Ðîçåíà;ÎÏÓ îïòè÷åñêèé ïàðàìåòðè÷åñêèé óñèëèòåëü;ÂÈØ âçàèìíàÿ èíôîðìàöèÿ Øåííîíà;EIT Electromagnetically Induced Transparency ýëåêòðîìàãíèòíî-èíäóöèðîâàííàÿïðîçðà÷íîñòü;254ËèòåðàòóðàËèòåðàòóðà[G1] Þ.
M. Ãîëóáåâ, T. Þ. Çåðíîâà (Ãîëóáåâà), E. Giacobino. Íåñòàáèëüíîñòü ëèíåéíî ïîëÿðèçîâàííîé ãåíåðàöèè â îäíîìîäîâîì âèêñåëå // Îïòèêà è ñïåêòðîñêîïèÿ. 2003. T. 94. 1. Ñ.81-89.[G2] Yu. M. Golubev, T. Yu. Golubeva, E. Giacobino. Polarization statistical propertiesof the emission from the single mode Vertical-Cavity Surface-Emitting Lasers withthe equally living laser levels // Journal of Optics B: Quantum and SemiclassicalOptics. 2004. Vol.
6., no. 12. pp. 525-532.[G3] Yu. M. Golubev, T. Yu. Golubeva, M. I. Kolobov, E. Giacobino. Polarizationsqueezing in vertical-cavity surface-emitting lasers // Physical Review A. 2004.Vol. 70, iss.5. pp. 053817-1 - 053817-13.[G4] Þ. M. Ãîëóáåâ, T. Þ. Ãîëóáåâà, Î ñòàòèñòèêå ôîòîíîâ ëàçåðíîãî èçëó÷åíèÿ âöåïè îáðàòíîé ñâÿçè // â ñáîðíèêå: Ëàçåðíûå èññëåäîâàíèÿ â Ñ.Ïåòåðáóðãñêîìãîñóäàðñòâåííîì óíèâåðñèòåòå. 2006.
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À. Ãàâðèêîâ, C. Fabre. ×èñòûå è ñìåøàííûåñîñòîÿíèÿ â âûðîæäåííîé ïàðàìåòðè÷åñêîé ãåíåðàöèè // Îïòèêà è ñïåêòðîñêîïèÿ. 2009. Ò. 106, 5. Ñ. 803-809.[G12] T. Golubeva, Yu. Golubev, K. Samburskaya, C. Fabre, N. Treps, M. Kolobov.Entanglement measurement of the quadrature components without the homodynedetection in the spatially multi-mode far-eld // Physical Review A. 2010. Vol.81, iss. 1. pp. 013831-1 - 013831-8.[G13] T. Golubeva, Yu. Golubev, K. Samburskaya. Multi-pixel Sources of EntangledLight in the Correlation Measurements Without Homodyne Detection // in book"Quantum cryptography and computing".- Edited by R. Horodecki et.
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