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We investigate theoretically the intense terahertz field-driven electron-transport through a nonmagnetic semiconductor-heterostructure with spin-orbit coupling. It is found that the frequency-dependent conductivity spectra possess splitting resonance-peaks of asymmetric Fano-type, and multiple-photon-process arises with the increasing amplitude of oscillating field. By changing the external field parameters, the purpose of spin filtering may be realized, and 100% pure spin-polarized current at the frequency of Fano-resonance can also be achieved. These interesting features may be a very useful basis for devising a wide range tunable spin filter and realizing pure spin current.
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Keywords:
- Fano resonance /
- Floquet channel /
- spin-orbit coupling
[1] Datta S, Das B 1990 Appl. Phys. Lett. 56 665
[2] Hall K C, Lau W H, Gundogdu K, Flatte M E, Boggess T F 2003 Appl. Phys. Lett. 83 2937
[3] Smorchkova I P, Samarth N 1997 Phys. Rev. Lett. 78 3571
[4] Li Z J 2005 Chin. Phys. 14 2100
[5] Wang J M, Wang R, Zhang Y P, Liang J Q 2007 Chin. Phys. 16 2069
[6] Wang J M, Wang R, Liang J Q 2007 Chin. Phys. 16 2075
[7] Bena C, Balents L 2002 Phys. Rev. B 65 11510
[8] McGuire J P, Ciuti C, Sham L J 2004 Phys. Rev. B 69 115339
[9] Morten J P, Brataas A, Belzig W 2004 Phys. Rev. B 70 212508
[10] Urazhdin S, Loloee R, Pratt W P 2005 Phys. Rev. B 71 100401
[11] Hirsch J E 1999 Phys. Rev. Lett. 83 1834
[12] Zhang S 2000 Phys. Rev. Lett. 85 393
[13] Murakami S, Nagaosa N, Zhang S 2003 Science 301 1348
[14] Bernevig B A, Zhang S C 2005 Phys. Rev. Lett. 95 016801
[15] Guo G Y, Yao Y G, Niu Q 2005 Phys. Rev. Lett. 94 226601
[16] Perel V I, Tarasenko S A, Yassievich I N, Ganichev S D, Belkov V V, Prettl W 2003 Phys. Rev. B 67 201304(R)
[17] Glazov M M, Alekseev P S, Odnoblyudov M A, Chistyakov V M, Tarasenko S A, Yassievich I N 2005 Phys. Rev. B 71 155313
[18] Voskoboynikov A, Liu S S, Lee C P, Tretyak O 2000 J. Appl. Phys. 87 387
[19] Shang C E, Guo Y, Chen X Y 2004 J. Appl. Phys. 96 3339
[20] Hall K C, Lau W H, Güdogdu K, Flatté M E, Boggess T F 2003 Appl. Phys. Lett. 83 2937
[21] Koga T, Nitta J, Takayanagi H, Datta S 2002 Phys. Rev. Lett. 88 126601
[22] Ting D Z Y, Cartoixa X 2002 Appl. Phys. Lett. 81 4198
[23] Guimars P S S, Brian J K, Allen S J, Hopkins P F, Gossard A C, Florez L T, Harbison J P 1993 Phys. Rev. Lett. 70 3792
[24] Drexler H, Scott J S, Allen S J, Campman K L, Gossard A C 1995 Appl. Phys. Lett. 67 2816
[25] Fano U 1961 Phys. Rev. 124 1866
[26] Fano U, Cooper J W 1965 Phys. Rev. A 137 1364
[27] Dresselhaus G 1955 Phys. Rev. 100 580
[28] Shirley J H 1965 Phys. Rev. 138 B979
[29] Holthaus M, Hone D 1993 Phys. Rev. B 47 6499
[30] Fromherz T 1997 Phys. Rev. B 56 4772
[31] Zhang C X, Nie Y H, Liang J Q 2008 Chin. Phys. B 17 2670
[32] Li W, Reichl L E 1999 Phys. Rev. B 60 15732
[33] Bagwell P F, Lake R K 1992 Phys. Rev. B 46 15329
[34] Landauer R 1989 J. Phys. Condens. Matter 1 8099
[35] Buttiker M 1986 Phys. Rev. Lett. 57 1761
[36] Christen T, Buttiker M 1996 Phys. Rev. Lett. 77 143
[37] Berman G P, Bulgakov E N, Campbell D K, Sadreev A F 1996 Physica B 225 1
[38] Bulgakov E N, Sadreev A F 1996 J. Phys.: Condens. Matter 8 8869
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[1] Datta S, Das B 1990 Appl. Phys. Lett. 56 665
[2] Hall K C, Lau W H, Gundogdu K, Flatte M E, Boggess T F 2003 Appl. Phys. Lett. 83 2937
[3] Smorchkova I P, Samarth N 1997 Phys. Rev. Lett. 78 3571
[4] Li Z J 2005 Chin. Phys. 14 2100
[5] Wang J M, Wang R, Zhang Y P, Liang J Q 2007 Chin. Phys. 16 2069
[6] Wang J M, Wang R, Liang J Q 2007 Chin. Phys. 16 2075
[7] Bena C, Balents L 2002 Phys. Rev. B 65 11510
[8] McGuire J P, Ciuti C, Sham L J 2004 Phys. Rev. B 69 115339
[9] Morten J P, Brataas A, Belzig W 2004 Phys. Rev. B 70 212508
[10] Urazhdin S, Loloee R, Pratt W P 2005 Phys. Rev. B 71 100401
[11] Hirsch J E 1999 Phys. Rev. Lett. 83 1834
[12] Zhang S 2000 Phys. Rev. Lett. 85 393
[13] Murakami S, Nagaosa N, Zhang S 2003 Science 301 1348
[14] Bernevig B A, Zhang S C 2005 Phys. Rev. Lett. 95 016801
[15] Guo G Y, Yao Y G, Niu Q 2005 Phys. Rev. Lett. 94 226601
[16] Perel V I, Tarasenko S A, Yassievich I N, Ganichev S D, Belkov V V, Prettl W 2003 Phys. Rev. B 67 201304(R)
[17] Glazov M M, Alekseev P S, Odnoblyudov M A, Chistyakov V M, Tarasenko S A, Yassievich I N 2005 Phys. Rev. B 71 155313
[18] Voskoboynikov A, Liu S S, Lee C P, Tretyak O 2000 J. Appl. Phys. 87 387
[19] Shang C E, Guo Y, Chen X Y 2004 J. Appl. Phys. 96 3339
[20] Hall K C, Lau W H, Güdogdu K, Flatté M E, Boggess T F 2003 Appl. Phys. Lett. 83 2937
[21] Koga T, Nitta J, Takayanagi H, Datta S 2002 Phys. Rev. Lett. 88 126601
[22] Ting D Z Y, Cartoixa X 2002 Appl. Phys. Lett. 81 4198
[23] Guimars P S S, Brian J K, Allen S J, Hopkins P F, Gossard A C, Florez L T, Harbison J P 1993 Phys. Rev. Lett. 70 3792
[24] Drexler H, Scott J S, Allen S J, Campman K L, Gossard A C 1995 Appl. Phys. Lett. 67 2816
[25] Fano U 1961 Phys. Rev. 124 1866
[26] Fano U, Cooper J W 1965 Phys. Rev. A 137 1364
[27] Dresselhaus G 1955 Phys. Rev. 100 580
[28] Shirley J H 1965 Phys. Rev. 138 B979
[29] Holthaus M, Hone D 1993 Phys. Rev. B 47 6499
[30] Fromherz T 1997 Phys. Rev. B 56 4772
[31] Zhang C X, Nie Y H, Liang J Q 2008 Chin. Phys. B 17 2670
[32] Li W, Reichl L E 1999 Phys. Rev. B 60 15732
[33] Bagwell P F, Lake R K 1992 Phys. Rev. B 46 15329
[34] Landauer R 1989 J. Phys. Condens. Matter 1 8099
[35] Buttiker M 1986 Phys. Rev. Lett. 57 1761
[36] Christen T, Buttiker M 1996 Phys. Rev. Lett. 77 143
[37] Berman G P, Bulgakov E N, Campbell D K, Sadreev A F 1996 Physica B 225 1
[38] Bulgakov E N, Sadreev A F 1996 J. Phys.: Condens. Matter 8 8869
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