Raman coupling in atomic Bose-Einstein condensed with phase-locked laser system

Meng Zeng-Ming; Huang Liang-Hui; Peng Peng; Chen Liang-Chao; Fan Hao; Wang Peng-Jun; Zhang Jing

doi:10.7498/aps.64.243202

Abstract

We present a simple, versatile and reliable phase-locked laser system. The system consists of an external cavity diode laser, Ti: Sapphire laser, fast detector, phase frequency detector (PFD) and loop filters. The beat signal of the laser is detected with a detector. From the PFD, we can obtain an error signal. The loop filter converts the output of the PFD into a control voltage and thus drives piezoelectric ceramic transducer (PZT) and current of diode laser. After locking, the bandwidth of the beat signal is reduced form MHz to Hz. So the line-width of the diode laser is almost close to that of Ti: Sapphire laser. The locking range is from sub-MHz to 10 GHz. So it is used for the ground hyperfine state transition of 87Rb. Through the use of the phase-locked loop system, we can drive the transition of 87Rb atoms between two ground hyperfine states F=2 and 1. The system is used to demonstrate Raman transition between two states through changing the detuning of the beat signal. From this, we can obtain Rabi frequency = 10 kHz. So, this system can be used to induce an effective vector gauge potential for 87Rb Bose-Einstein condensed and realize the spin-orbit coupling.

Keywords:

Authors and contacts

1.
State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China;
2.
Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

Corresponding author: Zhang Jing, jzhang74@sxu.edu.cn,jzhang74@yahoo.com

Funds: Project supported by the National Basic Research Program of China (Grant No. 2011CB921601), the National Natural Science Foundation of China (Grant Nos. 11234008, 11222430), the Co-foundation of the National Natural Science Foundation of China and the Research Grants Council of Hongkong, China (Grant No. 11361161002), and the Program for Sanjin Scholars of Shanxi Province, China.

References

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[9]	Fu Z K, Wang P J, Chai S J, Huang L H, Zhang J 2011 Phys. Rev. A 84 043609
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[12]	Lu H, Zhu S B, Qian J, Wang Y Z 2015 Chin. Phys. B 24 090308
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[17]	Fu Z K, Huang L H, Meng Z M, Wang P J, Zhang L, Zhang S Z, Zhai H, Zhang P, Zhang J 2014 Nat. Phys. 10 110
[18]	Dalibard J, Gerbier F, Juzeliūnas G, Öhberg P 2011 Rev. Mod. Phys. 83 1523
[19]	Wang P J, Zhang J 2014 Front. Phys. 9 598
[20]	Zhang J, Hu H, Liu X J, Pu H 2014 Annu. Rev. Cold Atoms Molecul. 2 81
[21]	Huang L H, Wang P J, Fu Z K, Zhang J 2014 Chin. Phys. B 23 013402
[22]	Meng Z M, Zhang J 2013 Acta Opt. Sin. 33 0714001 (in Chinese) [孟增明, 张靖 2013 光学学报 33 0714001]
[23]	Appel J, MacRae A, Lvovsky A I 2009 Meas. Sci. Technol. 20 055302
[24]	Hockel D, Scholz M, Benson O 2009 Appl. Phys. B 94 429
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[26]	Cacciapuoti L, Angelis M D, Prevedelli M, Stuhler J, Tino G M 2005 Rev. Sci. Instrum. 76 053111
[27]	Wang X L, Tao T J, Cheng B, Wu B, Xu Y F, Wang Z Y, Lin Q 2011 Chin. Phys. Lett. 28 084214
[28]	Ricci L, Weidemuller M, Esslinger T, Hemmerich A, Zimmermann C, Vuletic V, Konig W, Hansch T W 1995 Opt. Commun. 117 541
[29]	Cheng F Y, Meng Z M, Zhang J 2012 J. Shanxi Univ. 35 79 (in Chinese) [程峰钰, 孟增明, 张靖 2012 山西大学学报 35 79]
[30]	Chai S J, Wang P J, Fu Z K, Huang L H, Zhang J 2012 Acta Sin. Quantum Opt. 18 171 (in Chinese) [柴世杰, 王鹏军, 付正坤, 黄良辉, 张靖 2012 量子光学学报 18 171]
[31]	Huang L H, Wang P J, Fu Z K, Zhang J 2014 Acta Opt. Sin. 34 0727002 (in Chinese) [黄良辉, 王鹏军, 付正坤, 张靖 2014 光学学报 34 0727002]

Cited By

[1]	Anderson M H, Ensher J R, Mattews M R, Wieman C E, Cornell E A 1995 Science 269 198
[2]	Davis K B, Mewes M O, Andrews M R, Druten N J, Durfee D S, Kurn D M, Ketterle W 1995 Phys. Rev. Lett. 75 3969
[3]	Demarco B, Jin D S 1999 Science 285 1703
[4]	Bloch I, Dalibard J, Zwerger W 2008 Rev. Mod. Phys. 80 885
[5]	Chin C 2010 Rev. Mod. Phys. 82 1225
[6]	Spielman I B 2009 Phys. Rev. A 79 063613
[7]	Lin Y J, Compton R L, Perry A R, Phillips W D, Porto J V, Spielman I B 2009 Phys. Rev. Lett. 102 130401
[8]	Lin Y J, Jiménez-García K, Spielman I B 2011 Nature 471 83
[9]	Fu Z K, Wang P J, Chai S J, Huang L H, Zhang J 2011 Phys. Rev. A 84 043609
[10]	Wang P J, Yu Z Q, Fu Z K, Miao J, Huang L H, Chai S J, Zhai H, Zhang J 2012 Phys. Rev. Lett. 109 095301
[11]	Fu Z K, Huang L H, Meng Z M, Wang P J, Liu X J, Pu H, Hu H, Zhang J 2013 Phys. Rev. A 87 053619
[12]	Lu H, Zhu S B, Qian J, Wang Y Z 2015 Chin. Phys. B 24 090308
[13]	Xie W F, He Y Z, Bao C G 2015 Chin. Phys. B 24 060305
[14]	Beeler M C, Williams R A, Jimenez G K, LeBlanc L J, Perry A R, Spielman I B 2013 Nature 498 201
[15]	Zhang J Y, Ji S C, Chen Z, Zhang L, Du Z D, Yan B, Pan G S, Zhao B, Deng Y J, Zhai H, Chen S, Pan J W 2012 Phys. Rev. Lett. 109 115301
[16]	Ji S C, Zhang J Y, Zhang L, Du Z D, Zheng W, Deng Y J, Zhai H, Chen S, Pan J W 2014 Nat. Phys. 10 314
[17]	Fu Z K, Huang L H, Meng Z M, Wang P J, Zhang L, Zhang S Z, Zhai H, Zhang P, Zhang J 2014 Nat. Phys. 10 110
[18]	Dalibard J, Gerbier F, Juzeliūnas G, Öhberg P 2011 Rev. Mod. Phys. 83 1523
[19]	Wang P J, Zhang J 2014 Front. Phys. 9 598
[20]	Zhang J, Hu H, Liu X J, Pu H 2014 Annu. Rev. Cold Atoms Molecul. 2 81
[21]	Huang L H, Wang P J, Fu Z K, Zhang J 2014 Chin. Phys. B 23 013402
[22]	Meng Z M, Zhang J 2013 Acta Opt. Sin. 33 0714001 (in Chinese) [孟增明, 张靖 2013 光学学报 33 0714001]
[23]	Appel J, MacRae A, Lvovsky A I 2009 Meas. Sci. Technol. 20 055302
[24]	Hockel D, Scholz M, Benson O 2009 Appl. Phys. B 94 429
[25]	Marino A M, Stroud Jr C R 2008 Rev. Sci. Instrum. 79 013104
[26]	Cacciapuoti L, Angelis M D, Prevedelli M, Stuhler J, Tino G M 2005 Rev. Sci. Instrum. 76 053111
[27]	Wang X L, Tao T J, Cheng B, Wu B, Xu Y F, Wang Z Y, Lin Q 2011 Chin. Phys. Lett. 28 084214
[28]	Ricci L, Weidemuller M, Esslinger T, Hemmerich A, Zimmermann C, Vuletic V, Konig W, Hansch T W 1995 Opt. Commun. 117 541
[29]	Cheng F Y, Meng Z M, Zhang J 2012 J. Shanxi Univ. 35 79 (in Chinese) [程峰钰, 孟增明, 张靖 2012 山西大学学报 35 79]
[30]	Chai S J, Wang P J, Fu Z K, Huang L H, Zhang J 2012 Acta Sin. Quantum Opt. 18 171 (in Chinese) [柴世杰, 王鹏军, 付正坤, 黄良辉, 张靖 2012 量子光学学报 18 171]
[31]	Huang L H, Wang P J, Fu Z K, Zhang J 2014 Acta Opt. Sin. 34 0727002 (in Chinese) [黄良辉, 王鹏军, 付正坤, 张靖 2014 光学学报 34 0727002]

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Vol. 64, Issue 24 - 2015-12-20

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