[1] LIU S M,GUO R,XU J J.The photorefractive nonlinear optics and its application[M].Beijing:Science Press,2004.1~6 (in Chinese).
[2] SEGEV M,CROSIGNANI B,YARIV A.Spatial solitons in photorefractive media[J].Phys Rev Lett,1992,68(7):923~926.
[3] HARRIS S E.Electromagnetically induced transparency[J].Physics Today,1997,50(7):36~42.
[4] AKULSHIN A M,BARREIRO S,LEZAMA A.Electromagnetically induced absorption and transparency due to resonant two-field excitation of quasidegenerate levels in Rb vapor[J].Phys Rev,1998,A57(4):2996~3002.
[5] ZIBROV A S,LUKIN M D,NIKNOV D E et al.Experimental demonstration of laser oscillation without population inversion via quantum interference in Rb[J].Phys Rev Lett,1995,75 (8):1499~1502.
[6] HAUL V,HARRIS S E,DUTTON Z et al.Light speed reduction to 17 metres per second in an ultracold atomic gas[J].Nature,1999,397(6720):594~598.
[7] LUKIN M D,FLEISCHHAUER M,ZZIBROV A S et al.Spectroscopy in dense coherent media:line narrowing and interference effects[J].Phys Rev Lett,1997,79(16):2959~2962.
[8] KONG Y F,XU J J,ZHANG G Y et al.Multifunctional photoelectric material——LN crystal[M].Beijing:Science Press,2005.241~282(in Chinese).
[9] QIAO H J,XU J J,ZHANG G Q et al.Ultraviolet photorefractivity features in doped lithium niobate crystals[J].Phys Rev,2004,B70(9):094101-1~094101-11.
[10] VIKHNIN V,EGLITS R,KAPPHAN S et al.Polaronic-type excitons in ferroelectric oxides:microscopic calculations and experimental manifestation[J].Phys Rev,2002,B65(10):104304-1~104304-11.
[11] XU J J,ZHANG G Y,LI F et al.Enhancement of ultraviolet photorefraction in highly magnesium-doped lithium niobate crystals[J].Opt Lett,2000,25 (2):129~131.
[12] QIAO H J,XU J J,KONG Y F et al.UV photorefractive effect in Na+-doped lithium niobate crystals[J].OSA Trends in Optics and Photonics(TOPS),2001,62:490.
[13] QIAO H J,XU J J,YU X J et al.Two-wave coupling oin zinc doped lithium niobate crystals[J].OSA Trends in Optics and Photonics (TOPS),2003,87:166~171.
[14] TURUKIN A V,SUDARSHANAM V S,SHAHRIAR M S et al.Observation of ultraslow and stored light pulses in a solid[J].Phys Rev Lett,2002,88(2):023602-1~023602-4.
[15] LIN S H,HSU K Y,YEH P.Experimental observation of the slowdown of optical beams by a volume-index grating in a photorefractive LiNbO3 crystal[J].Opt Lett,2000,25(21):1582~1584.
[16] BIGELOW M S,LEPESHKIN N N,BOYD R W.Superluminal and slow light propagation in a room-temperature solid[J].Science,2003,301 (5630):200~202.
[17] ZHANG G Q,BO F,DONG R et al.Phase-coupling-induced ultraslow light propagation in solids at room temperature[J].Phys Rev Lett,2004,93(13):133903-1~133903-4.
[18] ZHANG G Q,DONG R,XU J J.Group velocity reduction of light pulses in photorefractive two-wave mixing[J].Chinese Physics Letters,2003,20(10):1725~1728.
[19] ZHANG G Q,DONG R,BO F et al.Slowdown of group velocity of light by means of phase coupling in photorefractive two-wave mixing[J].Appl Opt,2004,43(5):1167~1173.
[20] CHEN Z,MITCHELL M,SEGEV M et al.Self-trapping of dark incohe rent light beams[J].Science,1998,280 (5365):889~892.
[21] CHEN Z G,MARTIN H,EUGENIEVA E D et al.Anisotropic enhancement of discrete diffraction and formation of two-dimensional discrete-soliton trains[J].Phys Rev Lett,2004,92(14):143902-1~143902-4.
[22] CHEN Z,MARTIN H,EUGENIEVA E D et al.Formation of discrete solitons in light-induced photonic lattices[J].Optics Express,2005,13(6):1816~1826.
[23] CHEN Zh G,XU J J,LOU C B.Novel discrete solitous in light-induced photonic lattice[J].Physics,2005,34 (1):12~17 (in Chinese).
[24] LOU C B,XU J J,QIAO H J et al.Enhanced second-harmonic generation by means of high-power confinement in a photovoltaic solitoninduced waveguide[J].Opt Lett,2004,29(9):953~955.
[25] CHRISTODOULIDES D N,LEDERER F L,SIBERBERG Y.Discretizing light behaviour in linear and nonlinear waveguide lattices[J].Nature,2003,424(6950):817~823.
[26] HOU Ch F,YUAN B H,XU K B.Research progress of photorefractive spatial optical soliton[J].Laser Technology,2000,24(3):167~171 (in Chinese).