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According to the Λ -type three-level system consisting of cesium 6S1/2 (F=3 and F=4) long-lived ground states and 6P3/2 (F'=4) excited state, we experimentally investigate and theoretically analyze the parameters of coherent population trapping (CPT) spectra in a cesium atomic vapor cell with or without neon as buffer gas. The CPT of the full width at half maximum (FWHM), the signal amplitude as a function of optical intensity of the two phased-locked laser beams with a frequency difference of 9.19263177 GHz (the hyperfine splitting in the cesium ground state 6S1/2), relative intensity ratio, beam spot size, residual magnetic field of the magnetic shielding, and the influence of with and without the cesium vapor cell containing neon as buffer gas are investigated experimentally. With the optimized parameters, we obtain the CPT signal FWHM to be as narrow as ～ 340 Hz.
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Keywords:
- coherent population trapping /
- cesium atom /
- FWHM /
- signal amplitude
[1] Alzetta G, Gozzini A, Moi L, Orriols G 1976 Nuovo Cimento B 36 5
[2] Vanier J, Godone A, Levi F 1998 Phys. Rev. A 58 2345
[3] Liu G B, Zhao F, Gu S H 2009 Chin. Phys. B 18 3839
[4] Knappe S, Shah V, Schwindt P D D, Hollberg L, Kitching J, Liew Li-Anne, Moreland J 2004 Appl. Phys. Lett. 85 1460
[5] Su J, Deng K, Guo D Z, Wang Z, Chen J, Zhang G M, Chen X Z 2010 Chin. Phys. B 19 110701
[6] Zhang S G 2009 J. Time {& Frequency} 32 81 (in Chinese) [张首刚 2009 时间频率学报 32 81]
[7] Du R C, Chen J H, Liu C Y, Gu S H 2009 Acta Phys. Sin. 58 6117 (in Chinese) [杜润昌, 陈杰华, 刘朝阳, 顾思洪 2009 物理学报 58 6117]
[8] Ma L S 2007 Opt. Photon. News, September, 43
[9] Vanier J 2005 Appl. Phys. B 81 421
[10] Diao W T, He J, Liu Z, Yang B D, Wang J M 2012 Opt. Express 20 7480
[11] Affolderbach C, Nagel A, Knappe S, Jung C, Wiedenmann D, Wynands R 2000 Appl. Phys. B 70 407
[12] Thomas J E, Hemmer P R, Ezekiel S, Leiby C C, Picard R H, Willis C R 1982 Phys. Rev. Lett. 48 867
[13] Unks B E, Proite N A, Yavuz D D 2007 Rev. Sci. Instrum. 78 083108
[14] Yun P, Tan B Z, Deng W, Gu S H 2011 Rev. Sci. Instrum. 82 123104
[15] Wynands R, Nagel A 1999 Appl. Phys. B 68 1
[16] Jurgen A, Andrew M, Lvovsky A I 2009 Meas. Sci. Tech. 20 055302
[17] Michael J S, Roger B M C, Erling R 1997 Opt. Lett. 22 892
[18] Moon H S, Park S E, Park Y H, Lee L, Kim J B 2006 J. Opt. Soc. Am. B 23 2393
[19] Chen W L, Qi X H, Yi L, Deng K, Wang Z, Chen J B, Chen X Z 2008 Opt. Lett. 33 357
[20] Levi F, Godone A, Vanier J, Micalizio S, Modugno G 2000 Eur. Phys. J. D 12 53
[21] Knappe S, Wynands R, Kitching J, Robinson H G, Hollberg L 2001 J. Opt. Soc. Am. B 18 1545
[22] Kozlova O, Guerandel S, de Clercq E 2011 Phys. Rev. A 83 062714
[23] Brandt S, Nagel A, Wynands R, Meschede D 1997 Phys. Rev. A 56 1063
[24] Boudot R, Dziuban P, Hasegawa M, Chutani R K, Galliou S, Giordano V, Gorecki C 2011 J. Appl. Phys. 109 014912
[25] Deng K, Guo T, He D W, Liu X Y, Liu L, Guo D Z, Chen X Z, Wang Z 2008 Appl. Phys. Lett. 92 211104
[26] Park S E, Kwon T Y, Lee H S 2003 IEEE Trans. Instrum. Meas. 52 277
[27] Zibrov S A, Velichansky V L, Zibrov A S, Taichenachev A V, Yudin V I 2005 JETP Lett. 82 477
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[1] Alzetta G, Gozzini A, Moi L, Orriols G 1976 Nuovo Cimento B 36 5
[2] Vanier J, Godone A, Levi F 1998 Phys. Rev. A 58 2345
[3] Liu G B, Zhao F, Gu S H 2009 Chin. Phys. B 18 3839
[4] Knappe S, Shah V, Schwindt P D D, Hollberg L, Kitching J, Liew Li-Anne, Moreland J 2004 Appl. Phys. Lett. 85 1460
[5] Su J, Deng K, Guo D Z, Wang Z, Chen J, Zhang G M, Chen X Z 2010 Chin. Phys. B 19 110701
[6] Zhang S G 2009 J. Time {& Frequency} 32 81 (in Chinese) [张首刚 2009 时间频率学报 32 81]
[7] Du R C, Chen J H, Liu C Y, Gu S H 2009 Acta Phys. Sin. 58 6117 (in Chinese) [杜润昌, 陈杰华, 刘朝阳, 顾思洪 2009 物理学报 58 6117]
[8] Ma L S 2007 Opt. Photon. News, September, 43
[9] Vanier J 2005 Appl. Phys. B 81 421
[10] Diao W T, He J, Liu Z, Yang B D, Wang J M 2012 Opt. Express 20 7480
[11] Affolderbach C, Nagel A, Knappe S, Jung C, Wiedenmann D, Wynands R 2000 Appl. Phys. B 70 407
[12] Thomas J E, Hemmer P R, Ezekiel S, Leiby C C, Picard R H, Willis C R 1982 Phys. Rev. Lett. 48 867
[13] Unks B E, Proite N A, Yavuz D D 2007 Rev. Sci. Instrum. 78 083108
[14] Yun P, Tan B Z, Deng W, Gu S H 2011 Rev. Sci. Instrum. 82 123104
[15] Wynands R, Nagel A 1999 Appl. Phys. B 68 1
[16] Jurgen A, Andrew M, Lvovsky A I 2009 Meas. Sci. Tech. 20 055302
[17] Michael J S, Roger B M C, Erling R 1997 Opt. Lett. 22 892
[18] Moon H S, Park S E, Park Y H, Lee L, Kim J B 2006 J. Opt. Soc. Am. B 23 2393
[19] Chen W L, Qi X H, Yi L, Deng K, Wang Z, Chen J B, Chen X Z 2008 Opt. Lett. 33 357
[20] Levi F, Godone A, Vanier J, Micalizio S, Modugno G 2000 Eur. Phys. J. D 12 53
[21] Knappe S, Wynands R, Kitching J, Robinson H G, Hollberg L 2001 J. Opt. Soc. Am. B 18 1545
[22] Kozlova O, Guerandel S, de Clercq E 2011 Phys. Rev. A 83 062714
[23] Brandt S, Nagel A, Wynands R, Meschede D 1997 Phys. Rev. A 56 1063
[24] Boudot R, Dziuban P, Hasegawa M, Chutani R K, Galliou S, Giordano V, Gorecki C 2011 J. Appl. Phys. 109 014912
[25] Deng K, Guo T, He D W, Liu X Y, Liu L, Guo D Z, Chen X Z, Wang Z 2008 Appl. Phys. Lett. 92 211104
[26] Park S E, Kwon T Y, Lee H S 2003 IEEE Trans. Instrum. Meas. 52 277
[27] Zibrov S A, Velichansky V L, Zibrov A S, Taichenachev A V, Yudin V I 2005 JETP Lett. 82 477
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