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Phase locked two laser beams with a tunable and controllable frequency difference in a range of several GHz play a major role in the stimulated Raman transition, coherent population trapping, quantum states preparation and other quantum manipulation researches. We demonstrate such leaser beams with a tunable frequency difference in a range of 6.09.3GHz. In particular, the frequency differences of 6.835GHz and 9.192GHz corresponding to the ground state's hyperfine splitting in Rb87 and Cs133 respectively are realized experimentally. The power of the modulated beam is measured to be 6.87mW. With an antireflection-coated edge-emitting diode placed in an external cavity, we can suppress the carrier completely when the modulation frequency is lower than 4.0GHz by adjusting the external cavity length, the temperature, the current of the diode, and the power of the modulation. When the modulation is higher than 4.0GHz we cannot fully suppress the carrier, but we can also obtain the laser beams each with a high modulation depth due to modulation enhancement by external cavity resonance.
[1] Adelbert Owyoung, Jones E D 1977 Opt. Lett. 1 152
[2] [3] Kasevitch M, Chu S 1992 Phys. Rev. Lett. 69 1741
[4] Lee H J, Adams C S, Kasevitch M, Chu S 1996 Phys. Rev.Lett. 76 2658
[5] [6] Weiss D S, Young B C, Chu S 1993 Phys. Rev. Lett. 70 2706
[7] [8] [9] Yavuz D D, Kulatunga P B, Urban E, Johnson T A, Proite N, Henage T, Walker T G, Saffman M 2006 Phys. Rev. Lett. 96 063001
[10] Bergmann K, Theuer H, Shore B W. 1998 Reviews of Modern Physics 70 1003
[11] [12] [13] Schiemann S, Kuhn A, Steuerwald S, Bergmann K 1993 Phys. Rev. Lett. 71 3637
[14] [15] Vitanov N V, Fleischhauer M, Shore B W, Bergmann K 2001 Adv. At. Mol. Opt. Phys. 46 55
[16] [17] Vitanov N V, Halfmann T, Shore B W, Bergmann K 2001 Annu. Rev. Phys. Chem. 52 763
[18] [19] Markus Hijlkema,Bernhard Weber, Specht H P 2007 Nat. Phys. 03 253
[20] [21] Darquie B, Jones M P A, Dingjan J, Beugnon J, Bergamini S, Sortais Y, Messin G, Browaeys A, Grangier P 2005 Science 309 454
[22] Bouyer P, Gustavson T L, Haritos K G, Kasevich M A 1993 Opt.Lett. 18 649
[23] [24] Szymaniec K, Ghezali S, Coghnet L, Clairon A 1997 Opt. Commun. 144 51
[25] [26] [27] Santarelli G, Clairon A, Lea S N, Tino G 1994 Opt. Commun. 104 339
[28] [29] Snadden M J, Clarke R B M, Riis E 1997 Opt. Lett. 22 892
[30] Ringot J, Lecoq Y, Garreau J C, Szriftgiser P 1999 Eur. Phys. J. D 7 285
[31] [32] Affolderbach C, Nagel A, Knappe S, Jung C, Wiedenmann D, Wynands R 2000 Appl. Phys. B Lasers Opt. 70 407
[33] [34] [35] Waxman A,Givon M, Aviv G, Groswasser D, Folman R 2009 Appl. Phys. B 95 301
[36] [37] Liu S P, Zhang Y C, Zhang P F, Li G, Wang J M, Zhang T C 2009 Acta Phys. Sin. 58 285(in Chinese)[刘四平、张玉驰、张鹏飞、李 刚、王军民、张天才 2009 58 285]
[38] Zhang Y C, Wang X Y, Li G, Wang J M, Zhang T C 2007 Acta Phys. Sin. 56 2202 (in Chinese)[张玉驰,王晓勇,李 刚,王军民,张天才 2007 56 2202]
[39] -
[1] Adelbert Owyoung, Jones E D 1977 Opt. Lett. 1 152
[2] [3] Kasevitch M, Chu S 1992 Phys. Rev. Lett. 69 1741
[4] Lee H J, Adams C S, Kasevitch M, Chu S 1996 Phys. Rev.Lett. 76 2658
[5] [6] Weiss D S, Young B C, Chu S 1993 Phys. Rev. Lett. 70 2706
[7] [8] [9] Yavuz D D, Kulatunga P B, Urban E, Johnson T A, Proite N, Henage T, Walker T G, Saffman M 2006 Phys. Rev. Lett. 96 063001
[10] Bergmann K, Theuer H, Shore B W. 1998 Reviews of Modern Physics 70 1003
[11] [12] [13] Schiemann S, Kuhn A, Steuerwald S, Bergmann K 1993 Phys. Rev. Lett. 71 3637
[14] [15] Vitanov N V, Fleischhauer M, Shore B W, Bergmann K 2001 Adv. At. Mol. Opt. Phys. 46 55
[16] [17] Vitanov N V, Halfmann T, Shore B W, Bergmann K 2001 Annu. Rev. Phys. Chem. 52 763
[18] [19] Markus Hijlkema,Bernhard Weber, Specht H P 2007 Nat. Phys. 03 253
[20] [21] Darquie B, Jones M P A, Dingjan J, Beugnon J, Bergamini S, Sortais Y, Messin G, Browaeys A, Grangier P 2005 Science 309 454
[22] Bouyer P, Gustavson T L, Haritos K G, Kasevich M A 1993 Opt.Lett. 18 649
[23] [24] Szymaniec K, Ghezali S, Coghnet L, Clairon A 1997 Opt. Commun. 144 51
[25] [26] [27] Santarelli G, Clairon A, Lea S N, Tino G 1994 Opt. Commun. 104 339
[28] [29] Snadden M J, Clarke R B M, Riis E 1997 Opt. Lett. 22 892
[30] Ringot J, Lecoq Y, Garreau J C, Szriftgiser P 1999 Eur. Phys. J. D 7 285
[31] [32] Affolderbach C, Nagel A, Knappe S, Jung C, Wiedenmann D, Wynands R 2000 Appl. Phys. B Lasers Opt. 70 407
[33] [34] [35] Waxman A,Givon M, Aviv G, Groswasser D, Folman R 2009 Appl. Phys. B 95 301
[36] [37] Liu S P, Zhang Y C, Zhang P F, Li G, Wang J M, Zhang T C 2009 Acta Phys. Sin. 58 285(in Chinese)[刘四平、张玉驰、张鹏飞、李 刚、王军民、张天才 2009 58 285]
[38] Zhang Y C, Wang X Y, Li G, Wang J M, Zhang T C 2007 Acta Phys. Sin. 56 2202 (in Chinese)[张玉驰,王晓勇,李 刚,王军民,张天才 2007 56 2202]
[39]
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