Abstract

Abstract Coherence control in a λ-type three-level system having an ultrafast (<10 fs) dephasing time has been demonstrated. Coherences in the multilevel system were excited by an intense supercontinuum yielding terahertz Rabi frequencies. The coherence was controlled by changing the interaction phase between the excited coherences and the broadband light field in the double-pulse pumping scheme.

© 2001 Optical Society of America

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References

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  1. U. Fano, “Effects of configuration interaction on intensities and phase shifts,” Phys. Rev. 124, 1866 (1961).
    [Crossref]
  2. H. R. Gray, R. M. Whitely, and C. R. Stroud, “Coherent trapping of atomic populations,” Opt. Lett. 3, 218 (1978).
    [Crossref] [PubMed]
  3. Thomas W. Mossberg, “Time-domain frequency-selective optical data storage,” Opt. Lett. 7, 77 (1982).
    [Crossref] [PubMed]
  4. D. Felinto, L. H. Acioli, and S. S. Vianna, “Temporal coherent control of a sequential transition in rubidium atoms,” Opt. Lett. 25, 917 (2000).
    [Crossref]
  5. S. E. Harris, “Lasers without inversion: interference of lifetime-broadened resonances,” Phys. Rev. Lett. 62, 1033 (1989).
    [Crossref] [PubMed]
  6. M. O. Scully, “Enhancement of the index of refraction via quantum coherence,” Phys. Rev. Lett. 67, 1855 (1991).
    [Crossref] [PubMed]
  7. D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
    [Crossref]
  8. K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
    [Crossref]
  9. A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
    [Crossref]
  10. S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
    [Crossref]
  11. J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
    [Crossref]
  12. M. Mitsunaga and N. Uesugi, “248-Bit optical data storage in Eu3+:YAlO3 by accumulated photon echoes,” Opt. Lett. 15, 195 (1990).
    [Crossref] [PubMed]
  13. V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
    [Crossref]
  14. M. Bellini, A. Bartoli, and T.W. Hansch, “Two-photon Fourier spectroscopy with femtosecond light pulses,” Opt. Lett. 22, 540 (1997).
    [Crossref] [PubMed]
  15. M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
    [Crossref]
  16. E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
    [Crossref]
  17. J. A. Cina, “Nonlinear wavepacket interferometry for polyatmic molecules,” J. Chem. Phys. 113, 9488 (2000).
    [Crossref]
  18. H. Nishioka, H Koutaka, and K. Ueda, “Quantum interference effects in a fs-dephasing medium,” in International Quantum Electronics Conference (IQEC2000) (IEEE Laser and Electro-Optics Society, Piscataway, N.J., 2000), Post deadline paper IPD2.10.
  19. H. Nishioka, W. Odajima, K. Ueda, and H. Takuma, “Ultra-broad-band continuum generation in multichannel propagation of terawatt Ti:Al2O3 lasers,” Opt. Lett. 20, 2505 (1995).
    [Crossref] [PubMed]
  20. H. Nishioka and K.-I Ueda, “High intensity coherent super-continuum radiation from optical channeling,” in ICONO’98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, K.N. Drabovich, V.I. Emelyanova, and V.A. Makarov, eds., Proc. SPIE3734, 10 (1998).
  21. H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

2000 (2)

D. Felinto, L. H. Acioli, and S. S. Vianna, “Temporal coherent control of a sequential transition in rubidium atoms,” Opt. Lett. 25, 917 (2000).
[Crossref]

J. A. Cina, “Nonlinear wavepacket interferometry for polyatmic molecules,” J. Chem. Phys. 113, 9488 (2000).
[Crossref]

1999 (1)

E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
[Crossref]

1998 (3)

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
[Crossref]

1997 (2)

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

M. Bellini, A. Bartoli, and T.W. Hansch, “Two-photon Fourier spectroscopy with femtosecond light pulses,” Opt. Lett. 22, 540 (1997).
[Crossref] [PubMed]

1995 (1)

1992 (1)

D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
[Crossref]

1991 (3)

A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
[Crossref]

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

M. O. Scully, “Enhancement of the index of refraction via quantum coherence,” Phys. Rev. Lett. 67, 1855 (1991).
[Crossref] [PubMed]

1990 (1)

1989 (1)

S. E. Harris, “Lasers without inversion: interference of lifetime-broadened resonances,” Phys. Rev. Lett. 62, 1033 (1989).
[Crossref] [PubMed]

1982 (1)

1978 (1)

1961 (1)

U. Fano, “Effects of configuration interaction on intensities and phase shifts,” Phys. Rev. 124, 1866 (1961).
[Crossref]

Acioli, L. H.

Adachi, S.

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Akulshin, A. M.

A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
[Crossref]

Bartoli, A.

Bellini, M.

Blanchet, V.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

Bouchene, M

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

Bouchene, M.A.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Brown, E. J.

E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
[Crossref]

Celikov, A. A.

A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
[Crossref]

Cina, J. A.

J. A. Cina, “Nonlinear wavepacket interferometry for polyatmic molecules,” J. Chem. Phys. 113, 9488 (2000).
[Crossref]

Dantus, M.

E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
[Crossref]

Fano, U.

U. Fano, “Effects of configuration interaction on intensities and phase shifts,” Phys. Rev. 124, 1866 (1961).
[Crossref]

Felinto, D.

Gemma, N.

K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
[Crossref]

Girard, B.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

Gray, H. R.

Hakuta, K.

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

Hansch, T.W.

Harris, S. E.

S. E. Harris, “Lasers without inversion: interference of lifetime-broadened resonances,” Phys. Rev. Lett. 62, 1033 (1989).
[Crossref] [PubMed]

Ichimura, K.

K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
[Crossref]

Izawa, Y.

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Katsuragawa, M.

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

Kon, N.

H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

Kosachiov, D. V.

D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
[Crossref]

Koutaka, H

H. Nishioka, H Koutaka, and K. Ueda, “Quantum interference effects in a fs-dephasing medium,” in International Quantum Electronics Conference (IQEC2000) (IEEE Laser and Electro-Optics Society, Piscataway, N.J., 2000), Post deadline paper IPD2.10.

Kusakabe, K.

H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

Li, J. Z.

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

Matisov, B. G.

D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
[Crossref]

Melikechi, N.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Mitsunaga, M.

Mossberg, Thomas W.

Nakai, S.

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Nicole, C.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

Niki, H.

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Nishioka, H.

H. Nishioka, W. Odajima, K. Ueda, and H. Takuma, “Ultra-broad-band continuum generation in multichannel propagation of terawatt Ti:Al2O3 lasers,” Opt. Lett. 20, 2505 (1995).
[Crossref] [PubMed]

H. Nishioka and K.-I Ueda, “High intensity coherent super-continuum radiation from optical channeling,” in ICONO’98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, K.N. Drabovich, V.I. Emelyanova, and V.A. Makarov, eds., Proc. SPIE3734, 10 (1998).

H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

H. Nishioka, H Koutaka, and K. Ueda, “Quantum interference effects in a fs-dephasing medium,” in International Quantum Electronics Conference (IQEC2000) (IEEE Laser and Electro-Optics Society, Piscataway, N.J., 2000), Post deadline paper IPD2.10.

Odajima, W.

Razhdestvensky, Yu. V.

D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
[Crossref]

Ruppe, H.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Rutz, S.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Schreiber, E.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Scully, M. O.

M. O. Scully, “Enhancement of the index of refraction via quantum coherence,” Phys. Rev. Lett. 67, 1855 (1991).
[Crossref] [PubMed]

Stroud, C. R.

Suzuki, M.

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

Takuma, H.

Ueda, K.

H. Nishioka, W. Odajima, K. Ueda, and H. Takuma, “Ultra-broad-band continuum generation in multichannel propagation of terawatt Ti:Al2O3 lasers,” Opt. Lett. 20, 2505 (1995).
[Crossref] [PubMed]

H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

H. Nishioka, H Koutaka, and K. Ueda, “Quantum interference effects in a fs-dephasing medium,” in International Quantum Electronics Conference (IQEC2000) (IEEE Laser and Electro-Optics Society, Piscataway, N.J., 2000), Post deadline paper IPD2.10.

Ueda, K.-I

H. Nishioka and K.-I Ueda, “High intensity coherent super-continuum radiation from optical channeling,” in ICONO’98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, K.N. Drabovich, V.I. Emelyanova, and V.A. Makarov, eds., Proc. SPIE3734, 10 (1998).

Uesugi, N.

Velichansky, V. L.

A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
[Crossref]

Vianna, S. S.

Whitely, R. M.

Wöste, L.

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

Yamamono, K.

K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
[Crossref]

Yamanaka, C.

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Zhang, Q.

E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
[Crossref]

Eur. Phys. J. D (1)

M.A. Bouchene, V. Blanchet, C. Nicole, N. Melikechi, B. Girard, H. Ruppe, S. Rutz, E. Schreiber, and L. Wöste, “Temporal coherent control induced by wave packet interferences in one and two photon atomic transitions,” Eur. Phys. J. D 2, 131 (1998).
[Crossref]

J. Chem. Phys. (2)

E. J. Brown, Q. Zhang, and M. Dantus, “Femtosecond transient-grating techniques: Population and coherence dynamics involving ground and excited states,” J. Chem. Phys. 110, 5772 (1999).
[Crossref]

J. A. Cina, “Nonlinear wavepacket interferometry for polyatmic molecules,” J. Chem. Phys. 113, 9488 (2000).
[Crossref]

J. Phys. B (1)

D. V. Kosachiov, B. G. Matisov, and Yu. V. Razhdestvensky, “Coherent phenomena in multilevel systems with closed interaction contour,” J. Phys. B 25, 2473 (1992).
[Crossref]

Opt. Comm. (2)

A. M. Akulshin, A. A. Celikov, and V. L. Velichansky, “Sub-natural absorption resonances on the D1 line of rubidium induced by coherent population trapping,” Opt. Comm. 84, 139 (1991).
[Crossref]

S. Adachi, H. Niki, Y. Izawa, S. Nakai, and C. Yamanaka, “Experimental and numerical studies on populations trapping in Gd vapor,” Opt. Comm. 81, 364 (1991).
[Crossref]

Opt. Lett. (6)

Phys. Rev. (1)

U. Fano, “Effects of configuration interaction on intensities and phase shifts,” Phys. Rev. 124, 1866 (1961).
[Crossref]

Phys. Rev. A (2)

J. Z. Li, M. Katsuragawa, M. Suzuki, and K. Hakuta, “Stimulated Raman scattering in solid hydrogen: measurement of coherence decay,” Phys. Rev. A 58, R58 (1998).
[Crossref]

K. Yamamono, K. Ichimura, and N. Gemma, “Enhanced and reduced absorptions via quantum interference: solid system driven by a rf field,” Phys. Rev. A 58, 2460 (1998).
[Crossref]

Phys. Rev. Lett. (3)

S. E. Harris, “Lasers without inversion: interference of lifetime-broadened resonances,” Phys. Rev. Lett. 62, 1033 (1989).
[Crossref] [PubMed]

M. O. Scully, “Enhancement of the index of refraction via quantum coherence,” Phys. Rev. Lett. 67, 1855 (1991).
[Crossref] [PubMed]

V. Blanchet, C. Nicole, M Bouchene, and B. Girard, “Temporal coherent control in two-photon transitions: from optical interferences to quantum interferences,” Phys. Rev. Lett. 78, 2716 (1997).
[Crossref]

Other (3)

H. Nishioka, H Koutaka, and K. Ueda, “Quantum interference effects in a fs-dephasing medium,” in International Quantum Electronics Conference (IQEC2000) (IEEE Laser and Electro-Optics Society, Piscataway, N.J., 2000), Post deadline paper IPD2.10.

H. Nishioka and K.-I Ueda, “High intensity coherent super-continuum radiation from optical channeling,” in ICONO’98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, K.N. Drabovich, V.I. Emelyanova, and V.A. Makarov, eds., Proc. SPIE3734, 10 (1998).

H. Nishioka, K. Kusakabe, N. Kon, and K. Ueda, “Super-broadband, ultrafast optical measurements,” in Proceedings of the First Symposium on Advanced Photon Research, Kansai Research Establishment, ed. (Japan Atomic Energy Research Institute, Tokyo2000), pp.317–320.

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Figures (5)

Fig. 1.
Fig. 1.

Energy-level configuration. ω 1 and ω 2 are coupling laser frequencies. L1 and L3 are nondegenerate sublevels of the ground state. L2 is a common excited state. δ is the detuning of the laser frequency from resonance.

Fig. 2.
Fig. 2.

Experimental setup for coherence control and monitoring with broadband light pulses. Thin quartz plates BS, located at the Brewster angle are used as broadband beam splitters and polarizing filters. The sample is located at the image plane of aperture A to avoid spatial chirp due to diffraction. The phase-sensitive absorption was measured by the off-axis probe beam by changing the optical delay between two pump pulses, t1. The dashed line (echo option) indicates a beam that is included for photon-echo experiments, but is not used for the absorption and emission measurements.

Fig. 3.
Fig. 3.

Energy-level diagram for the λ system in an organic dye. ν 1, v 2, Ω R1 , and Ω R1 are the absorption and emission optical frequencies and the corresponding Rabi frequencies, respectively. The vertical scale shows optical frequency for Rh6G dye.

Fig. 4.
Fig. 4.

Frequency-resolved mappings for (a) interference fringes as a function of optical delay between the two pump pulses, and (b) corresponding absorption and emission profiles in Rh6G dye. The shading in (b) represents transmittance, and its scale is shown on the right-hand side. The small-signal transmittance of the sample is 10-4. Weak absorption around 680 THz is attributed to excited-state absorption S 1S 2.

Fig. 5.
Fig. 5.

Intensity dependence of the absorption in 560–567 THz as a function of the optical delay between the pump pulses. (a) Weakly saturated and (b) strongly excited region.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

E ( t ) = 1 2 π 0 F ( ω ) exp ( ( ω ) iωt ) d ω ,
S ( ω i , Δ ) i = 1,2 = E 1 ( t 1 ) E 2 ( t 2 ) cos ( Δ ( t 2 t 1 ) )
× exp ( t 2 t 1 T 2 i ) .

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