XWare Поиск по информационным ресурсам МГУ English Russian
       
       Точная форма слов   О проекте   Сайты   Помощь
Поиск по:qi.phys.msu.su   - Поискать по всем серверам
На этой странице приведены все страницы сервера qi.phys.msu.su ,которые мы индексируем. Показаны документы 1 - 20 из 23.

1 | 2 | След.

Упорядочить по: URL  |  дате изменения
1. http://qi.phys.msu.su/papers/2005-jetpl(e)-82-164.pdf
... Reconstruction of the Polarization States of a Biphoton Field Yu. ... 31, Moscow, 115409 Russia Received June 7, 2005 A method for reconstructing an arbitrary quantum state of an optical system in Hilbert space with dimension d = 4 is discussed. ... At present, nearly complete control has apparently been achieved over two-level optical systems-- polarization, spatial, and frequency states of single photons. ... 3 2005 RECONSTRUCTION OF THE POLARIZATION STATES 167 Fig. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2005-jetpl(e)-82-164.pdf -- 61.1 Кб -- 03.01.2009
Похожие документы

2. http://qi.phys.msu.su/papers/2005-jetp(e)-100-521.pdf
... ATOMS, MOLECULES, OPTICS Preparation of Biphotons in Arbitrary Polarization States L. A. Krivitskioe, S. P. Kulik*, G. A. Maslennikov, and M. V. Chekhova Moscow State University, Moscow, 119992 Russia *e-mail: postmast@qopt.phys.msu.su Received October 6, 2004 Abstract--An experiment on preparation of entangled photon pairs (biphotons) in an arbitrary polarization state is described. ... As the half-wave plate was rotated, the biphoton state transformed into |0, 2 (at = 45°). ... Fig. ... 3 2005 Fig...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2005-jetp(e)-100-521.pdf -- 86.9 Кб -- 03.01.2009
Похожие документы

3. http://qi.phys.msu.su/papers/2006-lasphys-16-1264.pdf
... QUANTUM INFORMATION AND COMPUTATION Absolute Robustness of the First Principal Fourier State Component and Noise Suppression in Hilbert Space Yu. ... 2, Moscow, 119992 Russia e-mail: skulik@qopt.phys.msu.su Received March 28, 2006 Abstract--The effect of the absolute robustness of the first principal Fourier-state component is developed upon rounding off the density matrix elements. ... This is interpreted as the absolute robustness of the first principal component of the Fourier state density...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2006-lasphys-16-1264.pdf -- 111.0 Кб -- 03.01.2009
Похожие документы

4. http://qi.phys.msu.su/papers/2006-jetp(e)-102-712.pdf
... ATOMS, MOLECULES, OPTICS Practical Implementation of Multilevel Quantum Cryptography S. P. Kulika,*, G. A. Maslennikovb, and E. V. Morevac Moscow State University, Moscow, 119992 Russia National University of Singapore, Singapore, 119077 Republic of Singapore c Moscow Engineering Physics Institute ( State University), Moscow, 115409 Russia *e-mail: skulik@qopt. phys .msu.su b a Received October 14, 2005 Abstract--The physical principles of a quantum ... D. Bruss, Phys. Rev. Lett. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2006-jetp(e)-102-712.pdf -- 263.9 Кб -- 03.01.2009
Похожие документы

5. http://qi.phys.msu.su/papers/2007-os(e)-103-107.pdf
... I. Bogdanova, R. F. Galeevb, S. P. Kulikb, and E. V. Morevac a Institute of Physics and Technology, Russian Academy of Sciences, Moscow, 117218 Russia b Faculty of Physics, Moscow State University, Moscow, 119992 Russia c Moscow Engineering Physics Institute (State University), Moscow, 115409 Russia Received October 12, 2006 Abstract--A model that approximately takes into account instrumental errors in problems of precision reconstruction of quantum states is considered. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-os(e)-103-107.pdf -- 281.8 Кб -- 03.01.2009
Похожие документы

6. http://qi.phys.msu.su/papers/2007-jetpl(e)-85-297.pdf
... Combined Phase ґ Time Encoding Method in Quantum Cryptography S. P. Kulika, S. N. Molotkovbґd, and A. P. Makkaveevd b Faculty of Physics, Moscow State University, Moscow, 119992 ... Computational Mathematics and Cybernetics, Moscow State University, Moscow, 119899 Russia Received February 15, 2007 a A new combined phase ґ time encoding method is proposed for fiber optic quantum cryptography systems ... This protocol is a combined phaseґtime encoding method for key distribution. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-jetpl(e)-85-297.pdf -- 164.8 Кб -- 03.01.2009
Похожие документы

7. http://qi.phys.msu.su/papers/2007-jetp(e)-104-30.pdf
... ATOMS, MOLECULES, OPTICS Polarization Transformations of Multimode Light Fields V. P. Karassiova,* and S. P. Kulikb,** a Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991 Russia b ... Moscow, 119992 Russia * e-mail: vpk43@mail.ru ** e-mail: skulik@qopt.phys.msu.su Received July 19, 2006 Abstract--The concept of P-quasispin is used as a framework for developing a formalism for polarization transformation by means of lossless ... Note that P-quasispin degree Vol. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-jetp(e)-104-30.pdf -- 261.7 Кб -- 03.01.2009
Похожие документы

8. http://qi.phys.msu.su/papers/2008-jetpl(e)-87-60.pdf
... 53, Moscow, 119992 Russia c Faculty of Physics, Moscow State University, Moscow, 119992 Russia d Moscow State University of Press, Moscow, 127550 Russia Received November 27, 2007 a It is shown experimentally that polarized entangled two-photon states in a pair of frequency modes can appear in the process of the spontaneous parametric down conversion in ferroelectric crystals with a quasi-regular domain structure (such as potassium dihydrophosphate). ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2008-jetpl(e)-87-60.pdf -- 247.1 Кб -- 03.01.2009
Похожие документы

9. http://qi.phys.msu.su/papers/2008-jetpl-88-729.pdf
... (Ы Н %? AР ?# Ъ X8 Y UЖ HВ ?У єТ 2Т нР 5Т #Ж HО Ь 5Т vП vР '# С #П vЬ (Р єН T# ? Ч П Ж vП єВ WЫ єВ Ь 5В (Ы H єВ WЫ єВ 9Ы UЬ 9В СЧВ ?О В '? WУ UВ pМ UЖ ?О В '? єВ ? В Ч h? У М WS ? vТ Ъ WЖ '3 В ? Т 2С ЇЪ #Ы (Н М 2С Ь ? ? єО UТ ?М vП (Р єН В ? 2Т 2Р iЪ ? ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2008-jetpl-88-729.pdf -- 223.2 Кб -- 31.10.2008
Похожие документы

10. http://qi.phys.msu.su/papers/2007-jetp(e)-104-736.pdf
... ATOMS, MOLECULES, OPTICS On Quantum Key Distribution Using Ququarts S. P. Kulik and A. P. Shurupov Moscow State University, Moscow, 119899 Russia e-mail: Sergei.Kulik@gmail.com Received December 29, 2006 Abstract--A comparative analysis of quantum key distribution protocols using qubits and ququarts as information carriers is presented. ... According to [4], information is encoded into quantum states spanned by four mutually unbiased bases. ... Thus, Eve gains no information about the input state. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-jetp(e)-104-736.pdf -- 237.2 Кб -- 27.10.2008
Похожие документы

11. http://qi.phys.msu.su/papers/2005-jetp-127-589.pdf
И ОММ И НО И К ПИ К ОММ К ?К ? ... ж Д О П Е К И И ДОЕ И НО ? ... О Д И З Ц И И Ц К З Ц Ц ЕК К И К К Ж З Ц Ц РЮ И К И К ?К И К К И К ?К И К ?К И К РК б ввЙШ з й вй И ППНП ДОМММЕК жйзз в КХ в Ф ииК НО И К ПИ ОММ К Ш ж зИ Ш нзК Ъ кК К? Й НО Н К И И  К К НО к аагИ Ш нзК Ъ кК Ф ииК И МН ДОММОЕК лИ К вИ РК в вИ в ЦК з вИ Йдж ви К ЪК Ь К И И К ж к з ей виЙд ЛМПМ НООК КЯ зИ в К ав жИ Ш нзК Ъ кК Ф ииК КЮ ожИ И О М МН ДОММОЕК К ТК К Ргл ааИ К Ф б зЙФ в ж зИ в К гйлб зи жИ Ш нзК Ъ кК Ф ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2005-jetp-127-589.pdf -- 326.5 Кб -- 23.10.2008
Похожие документы

12. http://qi.phys.msu.su/papers/2008-pra-78-042321.pdf
PHYSICAL REVIEW A 78, 042321 2008 Preparation and characterization of arbitrary states of four-dimensional qudits based on biphotons So-Young Baek,1,* Stanislav S. Straupe,2 Alexander P. Shurupov,2 Sergei P. Kulik,2 ... Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, Korea 2 Department of Physics, Moscow State University, Moscow, 119899, Russia Received 30 July 2008; published 22 October 2008 We report interferometric schemes to prepare ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2008-pra-78-042321.pdf -- 241.5 Кб -- 23.10.2008
Похожие документы

13. http://qi.phys.msu.su/papers/2007-jetpl-85-354.pdf
... ВЬ y {Ш F (Ь Ж 7Ъ yЖ 3Э єШ TЗ ё? TШ 0? q 6% Ы {Ы yЬ 'Ч є ?Ч d З ?? Ы {Щ 3Ь 1Щ ё Ш і G 6Ч Ж єШ V ?? p 8 Ъ CB @ 9 єШ Ь 8 X B? ? З ? dШ 3Ч y ?& X p8 $ ?З CB @ Ш I? 98 ГЪ #З {З ё1 Ы 1 єЬ 3Ч 3Ь 8 єЪ #З ё? @Ш dt a v BH ?1 Ж U ? d1 vvn 0 ppp v t ? p ё? Ы Ч 6Ш #Ж TЗ WF D (Ч єШ TЗ ? єШ Ч %Ч є rЫ Ъ єШ V 3Э U yЬ 3Ъ ? Y 6? ?Ы U %Ж 3! ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-jetpl-85-354.pdf -- 228.2 Кб -- 19.10.2008
Похожие документы

14. http://qi.phys.msu.su/papers/2007-prl-99-063901.pdf
... In this Letter we investigate both theoretically and experimentally angular (momentum) structure of SPDC biphoton coincidence and single-photon distributions, with special attention paid to a proper account of the anisotropy effects. Namely, it turns out that the biphoton coincidence angular distributions depend strongly on the crystal orientation. ... FIG. ... Entanglement. ... Here the widths of single and coincidence distributions are 60 mrad and 0.75 mrad, correspondingly. ... Phys. Rev. Lett. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-prl-99-063901.pdf -- 414.2 Кб -- 08.06.2008
Похожие документы

15. http://qi.phys.msu.su/papers/2008-pra-77-032336.pdf
... In the geometry of measurements to be specified below , where the anisotropy is most strongly pronounced, the coincidence angular distribution in a far zone will be shown to be much narrower than both the same distribution in the orthogonal geometry and the pump. ... FIG. ... Figure 8 shows two sets of experimental angular distributions solid line received in a single-particle and b coincidences measurements, which are plotted together for dif- ferent geometries, with a slit broadened pump beam. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2008-pra-77-032336.pdf -- 685.6 Кб -- 31.05.2008
Похожие документы

16. http://qi.phys.msu.su/papers/2008-jetpl-87-66.pdf
... Е QФ і0 rё і" #F #" # #" ?Г rF УР іК " P G! ?" і! ~ё 5? И H ? GЖ ? ~R GF ?" #! m" 2 є #2 єё ? 630 ґ3 0 ° 3 H 550 V 500 s, nm 'w tu vs ?q 1 j @h # vh t єx ~w } Q 'w єu #n 9u ' Wh i Wh 9i tx ts єq 9n @ 7k Wh z ўh @ 5x Gw і} Q| tl ~{ ёl 7k Wh jz ёh vy 5x 'w tu vs rq p 'o єl 'n ml k Wh i h g ° $ #E #E C C r8 і4 32 10 ') '& %$ Gї ?" ! ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2008-jetpl-87-66.pdf -- 280.4 Кб -- 12.02.2008
Похожие документы

17. http://qi.phys.msu.su/papers/2007-nato-11-123.pdf
Security of Quantum Key Distribution Protocol Based on Ququarts Alexander P. SHURUPOV 1 , and Sergei P. KULIK Faculty of Physics, Moscow M.V.Lomonosov State University Abstract. ... In case of D = 4 it was found, that in practice one can relatively easily prepare 12 states based on the polarization states of two-photon field and belonging to three mutually unbiased basis [5,6]. ... This setup allows one to split two orthogonal polarization states of biphoton, namely |H1 and |V2 ones. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-nato-11-123.pdf -- 486.5 Кб -- 13.03.2007
Похожие документы

18. http://qi.phys.msu.su/papers/2007-jetp-131-842.pdf
И ОММ И НПНИ КИ КН ОММ ? ... ДОЕ Г Г Й И бм бв И ДОЕ К И ? ... Ц РН Ю ЮН ЮО О И ДНО Е И И ? И ДНО Е Д ДНМЕ И К ? ... гбдйЙ и жзИ Ынзи бз в Ы в а Шжг зз в И в агж И Св С И Ц л гж ДН ЕИ дК Н К ЯК РК в К йж И Ц ийж О К ЯК УК Яггии жз в ДН ОЕК К РК Ф ииК И МО О ЕИ И НК И И б ввЙШ зей вй И ППНП ДОМММЕК К К Ш ж зИ Ш нзК Ъ кК а зИ ввК Ш нз з НН К ЯК УК Ягги жз в П П ДН ЕК К И К? К К ЮК Ын И К К ж з в вИ в ЮК ЦК Ш нз з Н И НПН ДОММ ЕК К К НО гкИ Ф з ж К ?К И К И Л И И К НМ И ?К ?К И Н ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2007-jetp-131-842.pdf -- 648.2 Кб -- 15.02.2007
Похожие документы

19. http://qi.phys.msu.su/papers/2005-jetpl-82-180.pdf
... 4? u~ 2G !5 p y v u p y x w Е М a О П e Р К С FН Е Е М @ О П a О К Д dН З 8М Л К ?? v u s r r r qr ?0 W 6d A 3 ЗТp t Е% ? ... 1 E Е$ E 0 3 " )" З МЖР T$ I U" I ?D GF Д 1 ! ... ЗМ !? g AQ 3 W ?0 ?? 1 fx v 0 2$ & Е dМЖ О T? A Д ОК ?0 2$ 4& ! ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2005-jetpl-82-180.pdf -- 292.1 Кб -- 12.02.2007
Похожие документы

20. http://qi.phys.msu.su/papers/2006-prl-97-023602.pdf
... If one considers the two-photon field, generated via the spontaneous parametric down-conversion (SPDC) process, then the pure polarization state can be written as a superposition of four basic components: ji c1 jH1 ;H2 i c2 jH1 ;V2 i c3 jV1 ;H2 i c4 jV1 ;V2 i: 0031-9007= 06 =97(2)=023602(4) (1) Here ci jci jeii , (i 1, 2, 3, 4) are complex probability amplitudes, jHj i ayj jvaci, jVj i byj jvaci, where j , (j 1, 2) are the central wavelengths of down-converted photons. ... Phys. Rev. Lett. ...
[ Текст ]  Ссылки http://qi.phys.msu.su/papers/2006-prl-97-023602.pdf -- 394.4 Кб -- 20.11.2006
Похожие документы

1 | 2 | След.

Rambler's Top100 RFBR Яндекс цитирования