C. L. Wang, A. J. Li, X. Y. Zhou, Z. H. Kang, J. Yun, and J. Y. Gao, “Investigation of spontaneously generated coherence in dressed states of R87b atoms,” Opt. Lett. 33, 687–689 (2008).

[CrossRef]
[PubMed]

Y. F. Xiao, S. K. Özdemir, V. Gaddam, C. H. Dong, N. Imoto, and L. Yang, “Quantum nondemolition measurement of photon number via optical Kerr effect in an ultra-high-Q microtoroid cavity,” Opt. Express 16, 21462–21475 (2008).

[CrossRef]
[PubMed]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

H. Shapiro, “Single-photon Kerr nonlinearities do not help quantum computation,” Phys. Rev. A 73, 062305 (2006).

[CrossRef]

Z. B. Wang, K. P. Marzlin, and B. C. Sanders, “Large cross-phase modulation between slow copropagating weak pulses in R87b,” Phys. Rev. Lett. 97, 063901 (2006).

[CrossRef]
[PubMed]

Y. F. Chen, C. Y. Wang, S. H. Wang, and I. A. Yu, “Low-light-level cross-phase-modulation based on stored light pulses,” Phys. Rev. Lett. 96, 043603 (2006).

[CrossRef]
[PubMed]

W. J. Munro, K. Nemoto, and T. P. Spiller, “Weak nonlinearities: a new route to optical quantum computation,” New J. Phys. 7, 137-1–137-12 (2005).

[CrossRef]

M. Fleischhauer, A. Imamoğlu, and J. P. Marangos, “Electromagnetically induced transparency: Optics in coherent media,” Rev. Mod. Phys. 77, 633–673 (2005).

[CrossRef]

A. Joshi and M. Xiao, “Generalized dark-state polaritons for photon memory in multilevel atomic media,” Phys. Rev. A 71, 041801(R) (2005).

[CrossRef]

A. Joshi and M. Xiao, “Phase gate with a four-level inverted-Y system,” Phys. Rev. A 72, 062319 (2005).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

D. A. Smith and I. G. Hughes, “The role of hyperfine pumping in multilevel systems exhibiting saturated absorption,” Am. J. Phys. 72, 631–637 (2004).

[CrossRef]

K. Nemoto and W. J. Munro, “Nearly deterministic linear optical controlled-NOT gate,” Phys. Rev. Lett. 93, 250502 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

H. Kang and Y. Zhu, “Observation of large Kerr nonlinearity at low light intensities,” Phys. Rev. Lett. 91, 093601 (2003).

[CrossRef]
[PubMed]

M. Yan, E. G. Rickey, and Y. Zhu, “Suppression of two-photon absorption by quantum interference,” Phys. Rev. A 64, 043807 (2001).

[CrossRef]

S. D. Badger, I. G. Hughes, and C. S. Adams, “Hyperfine effects in electromagnetically induced transparency,” J. Phys. B 34, L749–L756 (2001).

[CrossRef]

M. D. Lukin and A. Imamoğlu, “Nonlinear optics and quantum entanglement of ultraslow single photons,” Phys. Rev. Lett. 84, 1419–1422 (2000).

[CrossRef]
[PubMed]

S. E. Harris, “Electromagnetically induced transparency,” Phys. Today 50(7), 36–42 (1997).

[CrossRef]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

M. Xiao, Y. Li, S. Jin, and J. Gea-Banacloche, “Measurement of dispersive properties of electromagnetically induced transparency in rubidium atoms,” Phys. Rev. Lett. 74, 666–669 (1995).

[CrossRef]
[PubMed]

K.-J. Boller, A. Imamoğlu, and S. E. Harris, “Observation of electromagnetically induced transparency,” Phys. Rev. Lett. 66, 2593–2596 (1991).

[CrossRef]
[PubMed]

J. E. Field, K. H. Hahn, and S. E. Harris, “Observation of electromagnetically induced transparency in collisionally broadened lead vapor,” Phys. Rev. Lett. 67, 3062–3065 (1991).

[CrossRef]
[PubMed]

S. D. Badger, I. G. Hughes, and C. S. Adams, “Hyperfine effects in electromagnetically induced transparency,” J. Phys. B 34, L749–L756 (2001).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

S. D. Badger, I. G. Hughes, and C. S. Adams, “Hyperfine effects in electromagnetically induced transparency,” J. Phys. B 34, L749–L756 (2001).

[CrossRef]

K.-J. Boller, A. Imamoğlu, and S. E. Harris, “Observation of electromagnetically induced transparency,” Phys. Rev. Lett. 66, 2593–2596 (1991).

[CrossRef]
[PubMed]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

Y. F. Chen, C. Y. Wang, S. H. Wang, and I. A. Yu, “Low-light-level cross-phase-modulation based on stored light pulses,” Phys. Rev. Lett. 96, 043603 (2006).

[CrossRef]
[PubMed]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

J. E. Field, K. H. Hahn, and S. E. Harris, “Observation of electromagnetically induced transparency in collisionally broadened lead vapor,” Phys. Rev. Lett. 67, 3062–3065 (1991).

[CrossRef]
[PubMed]

M. Fleischhauer, A. Imamoğlu, and J. P. Marangos, “Electromagnetically induced transparency: Optics in coherent media,” Rev. Mod. Phys. 77, 633–673 (2005).

[CrossRef]

M. Xiao, Y. Li, S. Jin, and J. Gea-Banacloche, “Measurement of dispersive properties of electromagnetically induced transparency in rubidium atoms,” Phys. Rev. Lett. 74, 666–669 (1995).

[CrossRef]
[PubMed]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

J. E. Field, K. H. Hahn, and S. E. Harris, “Observation of electromagnetically induced transparency in collisionally broadened lead vapor,” Phys. Rev. Lett. 67, 3062–3065 (1991).

[CrossRef]
[PubMed]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

S. E. Harris, “Electromagnetically induced transparency,” Phys. Today 50(7), 36–42 (1997).

[CrossRef]

J. E. Field, K. H. Hahn, and S. E. Harris, “Observation of electromagnetically induced transparency in collisionally broadened lead vapor,” Phys. Rev. Lett. 67, 3062–3065 (1991).

[CrossRef]
[PubMed]

K.-J. Boller, A. Imamoğlu, and S. E. Harris, “Observation of electromagnetically induced transparency,” Phys. Rev. Lett. 66, 2593–2596 (1991).

[CrossRef]
[PubMed]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

D. A. Smith and I. G. Hughes, “The role of hyperfine pumping in multilevel systems exhibiting saturated absorption,” Am. J. Phys. 72, 631–637 (2004).

[CrossRef]

S. D. Badger, I. G. Hughes, and C. S. Adams, “Hyperfine effects in electromagnetically induced transparency,” J. Phys. B 34, L749–L756 (2001).

[CrossRef]

M. Fleischhauer, A. Imamoğlu, and J. P. Marangos, “Electromagnetically induced transparency: Optics in coherent media,” Rev. Mod. Phys. 77, 633–673 (2005).

[CrossRef]

M. D. Lukin and A. Imamoğlu, “Nonlinear optics and quantum entanglement of ultraslow single photons,” Phys. Rev. Lett. 84, 1419–1422 (2000).

[CrossRef]
[PubMed]

H. Schmidt and A. Imamoğlu, “High-speed properties of a phase-modulation scheme based on electromagnetically induced transparency,” Opt. Lett. 23, 1007–1009 (1998).

[CrossRef]

H. Schmidt and A. Imamoğlu, “Giant Kerr nonlinearities obtained by electromagnetically induced transparency,” Opt. Lett. 21, 1936–1938 (1996).

[CrossRef]
[PubMed]

K.-J. Boller, A. Imamoğlu, and S. E. Harris, “Observation of electromagnetically induced transparency,” Phys. Rev. Lett. 66, 2593–2596 (1991).

[CrossRef]
[PubMed]

M. Xiao, Y. Li, S. Jin, and J. Gea-Banacloche, “Measurement of dispersive properties of electromagnetically induced transparency in rubidium atoms,” Phys. Rev. Lett. 74, 666–669 (1995).

[CrossRef]
[PubMed]

A. Joshi and M. Xiao, “Phase gate with a four-level inverted-Y system,” Phys. Rev. A 72, 062319 (2005).

[CrossRef]

A. Joshi and M. Xiao, “Generalized dark-state polaritons for photon memory in multilevel atomic media,” Phys. Rev. A 71, 041801(R) (2005).

[CrossRef]

H. Kang and Y. Zhu, “Observation of large Kerr nonlinearity at low light intensities,” Phys. Rev. Lett. 91, 093601 (2003).

[CrossRef]
[PubMed]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

Q. Lin and J. Li, “Quantum control gates with weak cross-Kerr nonlinearity,” Phys. Rev. A 79, 022301 (2009).

[CrossRef]

X. D. Yang, S. J. Li, C. H. Zhang, and H. Wang, “Enhanced cross-Kerr nonlinearity via electromagnetically induced transparency in a four-level tripod atomic system,” J. Opt. Soc. Am. B 26, 1423–1434 (2009).

[CrossRef]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

M. Xiao, Y. Li, S. Jin, and J. Gea-Banacloche, “Measurement of dispersive properties of electromagnetically induced transparency in rubidium atoms,” Phys. Rev. Lett. 74, 666–669 (1995).

[CrossRef]
[PubMed]

Q. Lin and J. Li, “Quantum control gates with weak cross-Kerr nonlinearity,” Phys. Rev. A 79, 022301 (2009).

[CrossRef]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

M. D. Lukin and A. Imamoğlu, “Nonlinear optics and quantum entanglement of ultraslow single photons,” Phys. Rev. Lett. 84, 1419–1422 (2000).

[CrossRef]
[PubMed]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

M. Fleischhauer, A. Imamoğlu, and J. P. Marangos, “Electromagnetically induced transparency: Optics in coherent media,” Rev. Mod. Phys. 77, 633–673 (2005).

[CrossRef]

Z. B. Wang, K. P. Marzlin, and B. C. Sanders, “Large cross-phase modulation between slow copropagating weak pulses in R87b,” Phys. Rev. Lett. 97, 063901 (2006).

[CrossRef]
[PubMed]

W. J. Munro, K. Nemoto, and T. P. Spiller, “Weak nonlinearities: a new route to optical quantum computation,” New J. Phys. 7, 137-1–137-12 (2005).

[CrossRef]

K. Nemoto and W. J. Munro, “Nearly deterministic linear optical controlled-NOT gate,” Phys. Rev. Lett. 93, 250502 (2004).

[CrossRef]

W. J. Munro, K. Nemoto, and T. P. Spiller, “Weak nonlinearities: a new route to optical quantum computation,” New J. Phys. 7, 137-1–137-12 (2005).

[CrossRef]

K. Nemoto and W. J. Munro, “Nearly deterministic linear optical controlled-NOT gate,” Phys. Rev. Lett. 93, 250502 (2004).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

M. Yan, E. G. Rickey, and Y. Zhu, “Suppression of two-photon absorption by quantum interference,” Phys. Rev. A 64, 043807 (2001).

[CrossRef]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

Z. B. Wang, K. P. Marzlin, and B. C. Sanders, “Large cross-phase modulation between slow copropagating weak pulses in R87b,” Phys. Rev. Lett. 97, 063901 (2006).

[CrossRef]
[PubMed]

H. Shapiro, “Single-photon Kerr nonlinearities do not help quantum computation,” Phys. Rev. A 73, 062305 (2006).

[CrossRef]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

D. A. Smith and I. G. Hughes, “The role of hyperfine pumping in multilevel systems exhibiting saturated absorption,” Am. J. Phys. 72, 631–637 (2004).

[CrossRef]

W. J. Munro, K. Nemoto, and T. P. Spiller, “Weak nonlinearities: a new route to optical quantum computation,” New J. Phys. 7, 137-1–137-12 (2005).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

Q. A. Turchette, C. J. Hood, W. Lange, H. Mabuchi, and H. J. Kimble, “Measurement of conditional phase shifts for quantum logic,” Phys. Rev. Lett. 75, 4710–4713 (1995).

[CrossRef]
[PubMed]

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier, “Quantum nondemolition measurements using cold trapped atoms,” Phys. Rev. Lett. 78, 634–637 (1997).

[CrossRef]

S. Rebić, C. Ottaviani, G. Di Giuseppe, D. Vitali, and P. Tombesi, “Assessment of a quantum phase-gate operation based on nonlinear optics,” Phys. Rev. A 74, 032301 (2006).

[CrossRef]

S. Rebić, D. Vitali, C. Ottaviani, P. Tombesi, M. Artoni, F. Cataliotti, and R. Corbalán, “Polarization phase gate with a tripod atomic system,” Phys. Rev. A 70, 032317 (2004).

[CrossRef]

C. Ottaviani, D. Vitali, M. Artoni, F. Cataliotti, and P. Tombesi,“Polarization qubit phase gate in driven atomic media,” Phys. Rev. Lett. 90, 197902 (2003).

[CrossRef]
[PubMed]

Y. F. Chen, C. Y. Wang, S. H. Wang, and I. A. Yu, “Low-light-level cross-phase-modulation based on stored light pulses,” Phys. Rev. Lett. 96, 043603 (2006).

[CrossRef]
[PubMed]

X. D. Yang, S. J. Li, C. H. Zhang, and H. Wang, “Enhanced cross-Kerr nonlinearity via electromagnetically induced transparency in a four-level tripod atomic system,” J. Opt. Soc. Am. B 26, 1423–1434 (2009).

[CrossRef]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

Y. F. Chen, C. Y. Wang, S. H. Wang, and I. A. Yu, “Low-light-level cross-phase-modulation based on stored light pulses,” Phys. Rev. Lett. 96, 043603 (2006).

[CrossRef]
[PubMed]

Z. B. Wang, K. P. Marzlin, and B. C. Sanders, “Large cross-phase modulation between slow copropagating weak pulses in R87b,” Phys. Rev. Lett. 97, 063901 (2006).

[CrossRef]
[PubMed]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

Y. X. Han, J. T. Xiao, Y. H. Liu, H. Wang, M. Xiao, and K. C. Peng, “Interacting dark states with enhanced nonlinearity in an ideal four-level tripod atomic system,” Phys. Rev. A 77, 023824 (2008).

[CrossRef]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

A. Joshi and M. Xiao, “Generalized dark-state polaritons for photon memory in multilevel atomic media,” Phys. Rev. A 71, 041801(R) (2005).

[CrossRef]

A. Joshi and M. Xiao, “Phase gate with a four-level inverted-Y system,” Phys. Rev. A 72, 062319 (2005).

[CrossRef]

M. Xiao, Y. Li, S. Jin, and J. Gea-Banacloche, “Measurement of dispersive properties of electromagnetically induced transparency in rubidium atoms,” Phys. Rev. Lett. 74, 666–669 (1995).

[CrossRef]
[PubMed]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

M. Yan, E. G. Rickey, and Y. Zhu, “Suppression of two-photon absorption by quantum interference,” Phys. Rev. A 64, 043807 (2001).

[CrossRef]

X. D. Yang, S. J. Li, C. H. Zhang, and H. Wang, “Enhanced cross-Kerr nonlinearity via electromagnetically induced transparency in a four-level tripod atomic system,” J. Opt. Soc. Am. B 26, 1423–1434 (2009).

[CrossRef]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

Y. F. Chen, C. Y. Wang, S. H. Wang, and I. A. Yu, “Low-light-level cross-phase-modulation based on stored light pulses,” Phys. Rev. Lett. 96, 043603 (2006).

[CrossRef]
[PubMed]

X. D. Yang, S. J. Li, C. H. Zhang, and H. Wang, “Enhanced cross-Kerr nonlinearity via electromagnetically induced transparency in a four-level tripod atomic system,” J. Opt. Soc. Am. B 26, 1423–1434 (2009).

[CrossRef]

S. J. Li, X. D. Yang, X. M. Cao, C. H. Zhang, C. D. Xie, and H. Wang, “Enhanced cross-phase modulation based on a double electromagnetically induced transparency in a four-level tripod atomic system,” Phys. Rev. Lett. 101, 073602 (2008).

[CrossRef]
[PubMed]

J. M. Wen, S. W. Du, Y. P. Zhang, M. Xiao, and M. H. Rubin, “Nonclassical light generation via a four-level inverted-Y system,” Phys. Rev. A 77, 033816 (2008).

[CrossRef]

H. Kang and Y. Zhu, “Observation of large Kerr nonlinearity at low light intensities,” Phys. Rev. Lett. 91, 093601 (2003).

[CrossRef]
[PubMed]

M. Yan, E. G. Rickey, and Y. Zhu, “Suppression of two-photon absorption by quantum interference,” Phys. Rev. A 64, 043807 (2001).

[CrossRef]

D. A. Smith and I. G. Hughes, “The role of hyperfine pumping in multilevel systems exhibiting saturated absorption,” Am. J. Phys. 72, 631–637 (2004).

[CrossRef]

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