Abstract

The photobleaching properties of a 3D memory material based on pyrylium salts are studied. It is shown that under ultrashort pulsed irradiation photobleaching occurs through two diverse mechanisms. One is major and causes fast bleaching, whereas the other is minor and causes slow bleaching. Furthermore, it is proved that both mechanisms are three- or more-photon processes. This fact gives the capability of significantly increasing data storage density.

© 2005 Optical Society of America

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  1. D. A. Parthenopoulos and P. M. Rentzepis, Science 245, 843 (1989).
    [CrossRef] [PubMed]
  2. M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
    [CrossRef]
  3. M. Gu and D. Day, Opt. Lett. 24, 288 (1999).
    [CrossRef]
  4. U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
    [CrossRef]
  5. I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
    [CrossRef]
  6. C. Xu and W. W. Webb, J. Opt. Soc. Am. B 18, 482 (1996).
  7. S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
    [CrossRef] [PubMed]
  8. C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
    [CrossRef] [PubMed]

2004 (1)

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

2003 (1)

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

1999 (1)

1998 (1)

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

1997 (1)

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

1996 (2)

U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
[CrossRef]

C. Xu and W. W. Webb, J. Opt. Soc. Am. B 18, 482 (1996).

1989 (1)

D. A. Parthenopoulos and P. M. Rentzepis, Science 245, 843 (1989).
[CrossRef] [PubMed]

Day, D.

Egami, C.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Eggeling, C.

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

Fakis, M.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Giannetas, V.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Gu, M.

Heinrich, O.

U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
[CrossRef]

Kawata, Y.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Kooriya, T.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Kubitscheck, U.

U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
[CrossRef]

Kuragaito, T.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Maiti, S.

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

Microyannidis, J.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Nakano, M.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Parthenopoulos, D. A.

D. A. Parthenopoulos and P. M. Rentzepis, Science 245, 843 (1989).
[CrossRef] [PubMed]

Persephonis, P.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Peters, R.

U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
[CrossRef]

Polyzos, I.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Rentzepis, P. M.

D. A. Parthenopoulos and P. M. Rentzepis, Science 245, 843 (1989).
[CrossRef] [PubMed]

Rigler, R.

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

Sear, J. B.

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

Seidel, C. A.M.

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

Tsigaridas, G.

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

Tsuchimori, M.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Watanabe, O.

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Webb, W. W.

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

C. Xu and W. W. Webb, J. Opt. Soc. Am. B 18, 482 (1996).

Widengren, J.

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

Williams, R. M.

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

Xu, C.

C. Xu and W. W. Webb, J. Opt. Soc. Am. B 18, 482 (1996).

Zipfel, W. P.

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

Anal. Chem. (1)

C. Eggeling, J. Widengren, R. Rigler, and C. A.M. Seidel, Anal. Chem. 70, 2651 (1998).
[CrossRef] [PubMed]

Appl. Phys. Lett. (1)

M. Nakano, T. Kooriya, T. Kuragaito, C. Egami, Y. Kawata, M. Tsuchimori, and O. Watanabe, Appl. Phys. Lett. 85, 176 (2004).
[CrossRef]

Bioimaging (1)

U. Kubitscheck, O. Heinrich, and R. Peters, Bioimaging 4, 158 (1996).
[CrossRef]

Chem. Phys. Lett. (1)

I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis, and J. Microyannidis, Chem. Phys. Lett. 369, 264 (2003).
[CrossRef]

J. Opt. Soc. Am. B (1)

C. Xu and W. W. Webb, J. Opt. Soc. Am. B 18, 482 (1996).

Opt. Lett. (1)

Science (2)

D. A. Parthenopoulos and P. M. Rentzepis, Science 245, 843 (1989).
[CrossRef] [PubMed]

S. Maiti, J. B. Sear, R. M. Williams, W. P. Zipfel, and W. W. Webb, Science 275, 530 (1997).
[CrossRef] [PubMed]

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Figures (4)

Fig. 1
Fig. 1

(a) Two-photon induced fluorescence intensity from the photobleaching polymer as a function of the incident power for different excitation wavelengths (log-to-log plots). Curves are fitted linearly. The slopes are all 2 denoting two-photon excitation in all wavelengths. Pulse duration τ = 80 fs . (b) Fluorescence versus time for two irradiation power values. The best-fitting function is a double-exponential decay.

Fig. 2
Fig. 2

(a) Ratio A between A 1 and A 2 versus irradiation power. (b), (c) Log-to-log plots of photobleaching rates k 1 , 2 versus irradiation power. The excitation wavelength and the fitted slopes (sl.) are shown. The power range of each data set is selected with respect to the starting point of bleaching at each wavelength.

Fig. 3
Fig. 3

(a) Logarithmic plots of photobleaching rates k 1 , 2 versus pulse width. The fitted slopes are included in the graph. (b), (c) Comparison of the two-photon excitation cross-section spectrum ( δ ) with weight constants A 1 , 2 and photobleaching rates k 1 , 2 spectra of pyrylium salt (concentration 1% wt, irradiation power P = 7.5 mW , τ = 80 fs ).

Fig. 4
Fig. 4

Suggested Jablonski diagram for high-order photobleaching of pyrylium salts.

Equations (1)

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F ( t ) = F 0 + A 1 exp ( k 1 t ) + A 2 exp ( k 2 t ) .

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