Abstract

We demonstrated partial erasing of temporal optical data on a picosecond time scale by use of accumulated photon echoes. In a photon-echo memory the temporal data at time τ are stored as a frequency grating of period 1/τ in the absorption spectrum of a material. Partial erasing of the temporal data is achieved by irradiation of the material with a pulse pair at time separation τ, but the phase of one of the pulses is shifted 180°. This process does not produce a frequency grating, and no echo is emitted. The experiment was performed with a dye-doped polymer film. The 180° phase shift was obtained by use of a half-wave plate.

© 1999 Optical Society of America

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1998

1996

U. Elman and S. Kröll, Laser Phys. 6, 721 (1996).

U. Elman, B. Luo, and S. Kröll, J. Opt. Soc. Am. B 13, 1905 (1996).
[CrossRef]

1995

1993

1992

T. Hattori, S. Uemura, and H. Nakatsuka, Opt. Commun. 92, 225 (1992).
[CrossRef]

1991

1990

1989

1987

1984

Y. S. Bai, W. R. Babbitt, N. W. Carlson, and T. W. Mossberg, Appl. Phys. Lett. 45, 714 (1984).
[CrossRef]

A. Schenzle, R. G. DeVoe, and R. G. Brewer, Phys. Rev. A 30, 1866 (1984).
[CrossRef]

1982

Akhmediev, N. N.

Alfano, R. R.

Andrejeco, M. J.

Arend, M.

Babbitt, W. R.

Y. S. Bai, W. R. Babbitt, N. W. Carlson, and T. W. Mossberg, Appl. Phys. Lett. 45, 714 (1984).
[CrossRef]

Bai, G.

Bai, Y. S.

Y. S. Bai, W. R. Babbitt, N. W. Carlson, and T. W. Mossberg, Appl. Phys. Lett. 45, 714 (1984).
[CrossRef]

Block, E.

Brewer, R. G.

A. Schenzle, R. G. DeVoe, and R. G. Brewer, Phys. Rev. A 30, 1866 (1984).
[CrossRef]

Carlson, N. W.

Y. S. Bai, W. R. Babbitt, N. W. Carlson, and T. W. Mossberg, Appl. Phys. Lett. 45, 714 (1984).
[CrossRef]

Chase, E. W.

da Silva, V. L.

DeVoe, R. G.

A. Schenzle, R. G. DeVoe, and R. G. Brewer, Phys. Rev. A 30, 1866 (1984).
[CrossRef]

Elman, U.

Friedrich, J.

J. Friedrich and D. Haarer, in Optical Spectroscopy of Glasses, I. Zschokke, ed. (Reidel, Dordrecht, The Netherlands, 1986), p. 164; D. Haarer, in Persistent Spectral Hole Burning, W. E. Moerner, ed., Vol. 44 of Topics in Current Physics (Springer-Verlag, Berlin, 1988), p. 106.

Furusawa, A.

Gorokhovsky, A.

Greiner, C.

Haarer, D.

J. Friedrich and D. Haarer, in Optical Spectroscopy of Glasses, I. Zschokke, ed. (Reidel, Dordrecht, The Netherlands, 1986), p. 164; D. Haarer, in Persistent Spectral Hole Burning, W. E. Moerner, ed., Vol. 44 of Topics in Current Physics (Springer-Verlag, Berlin, 1988), p. 106.

Hartmann, S. R.

Hattori, T.

T. Hattori, S. Uemura, and H. Nakatsuka, Opt. Commun. 92, 225 (1992).
[CrossRef]

Heritage, J. P.

Imaoka, A.

Kaarli, R.

R. Kaarli, R. Sarapuu, H. Sõnajalg, and P. Saari, Opt. Commun. 86, 211 (1991).
[CrossRef]

Kachru, R.

Kim, M. K.

Kishida, T.

Kröll, S.

Lin, H.

Luo, B.

Macfarlane, R. M.

R. M. Macfarlane and R. M. Shelby, in Spectroscopy of Solids Containing Rare Earth Ions, A. A. Kaplyanskii and R. M. Macfarlane, eds. (North-Holland, Amsterdam, 1987), p. 51.
[CrossRef]

Mitsunaga, M.

Mohan, R. K.

R. K. Mohan, U. Elman, and S. Kröll, Opt. Commun. 158, 149 (1998).
[CrossRef]

Mossberg, T. W.

Nakatsuka, H.

T. Hattori, S. Uemura, and H. Nakatsuka, Opt. Commun. 92, 225 (1992).
[CrossRef]

Oosawa, H.

Paschotta, R.

Saari, P.

R. Kaarli, R. Sarapuu, H. Sõnajalg, and P. Saari, Opt. Commun. 86, 211 (1991).
[CrossRef]

Saifi, M. A.

Saikan, S.

Sarapuu, R.

R. Kaarli, R. Sarapuu, H. Sõnajalg, and P. Saari, Opt. Commun. 86, 211 (1991).
[CrossRef]

Schenzle, A.

A. Schenzle, R. G. DeVoe, and R. G. Brewer, Phys. Rev. A 30, 1866 (1984).
[CrossRef]

Shelby, R. M.

R. M. Macfarlane and R. M. Shelby, in Spectroscopy of Solids Containing Rare Earth Ions, A. A. Kaplyanskii and R. M. Macfarlane, eds. (North-Holland, Amsterdam, 1987), p. 51.
[CrossRef]

Silberberg, Y.

Sõnajalg, H.

R. Kaarli, R. Sarapuu, H. Sõnajalg, and P. Saari, Opt. Commun. 86, 211 (1991).
[CrossRef]

Tropper, A.

Uchikawa, K.

Uemura, S.

T. Hattori, S. Uemura, and H. Nakatsuka, Opt. Commun. 92, 225 (1992).
[CrossRef]

Uesugi, N.

Wang, T.

Wilson, G. A.

Yano, R.

Zeylikovich, I.

Appl. Phys. Lett.

Y. S. Bai, W. R. Babbitt, N. W. Carlson, and T. W. Mossberg, Appl. Phys. Lett. 45, 714 (1984).
[CrossRef]

J. Opt. Soc. Am. B

Laser Phys.

U. Elman and S. Kröll, Laser Phys. 6, 721 (1996).

Opt. Commun.

R. K. Mohan, U. Elman, and S. Kröll, Opt. Commun. 158, 149 (1998).
[CrossRef]

R. Kaarli, R. Sarapuu, H. Sõnajalg, and P. Saari, Opt. Commun. 86, 211 (1991).
[CrossRef]

T. Hattori, S. Uemura, and H. Nakatsuka, Opt. Commun. 92, 225 (1992).
[CrossRef]

Opt. Lett.

Phys. Rev. A

A. Schenzle, R. G. DeVoe, and R. G. Brewer, Phys. Rev. A 30, 1866 (1984).
[CrossRef]

Other

J. Friedrich and D. Haarer, in Optical Spectroscopy of Glasses, I. Zschokke, ed. (Reidel, Dordrecht, The Netherlands, 1986), p. 164; D. Haarer, in Persistent Spectral Hole Burning, W. E. Moerner, ed., Vol. 44 of Topics in Current Physics (Springer-Verlag, Berlin, 1988), p. 106.

R. M. Macfarlane and R. M. Shelby, in Spectroscopy of Solids Containing Rare Earth Ions, A. A. Kaplyanskii and R. M. Macfarlane, eds. (North-Holland, Amsterdam, 1987), p. 51.
[CrossRef]

W. E. Moerner, ed., Persistent Spectral Hole-Burning: Science and Applications, Vol. 44 of Topics in Current Physics (Springer-Verlag, Berlin, 1988).
[CrossRef]

I. Zschokke, ed., Optical Spectroscopy of Glasses (Reidel, Dordrecht, The Netherlands, 1986).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Schematic for accumulated photon echoes by use of a mode-locked dye laser. (a) The time separation of the pulse pair was fixed and the echo signal in the 2k2-k1 direction was monitored. A λ/2 plate was inserted into the path of the first pulse. PD, photodiode. (b) Schematic of the accumulated photon echoes for observation of the temporal profile of the echo signal. (b-1) Creation of a frequency grating with time separation τ of the pulse pair. (b-2) Detection process for the echo temporal profile. The second pulse was blocked, and an attenuated first pulse excited the sample. The echo signal was emitted in the k2 direction. The echo signal was mixed with the reference pulse, and we monitored the correlation trace of the echo signal by changing the delay of the reference pulse. PMT, photomultiplier tube; BBO, β-barium borate plate.

Fig. 2
Fig. 2

Echo intensity as a function of the laser irradiation time. The λ/2 plate was rotated at 2 min, as indicated by the vertical dashed line.

Fig. 3
Fig. 3

Single-bit echo temporal profiles. The dashed, solid, and dotted curves represent the echo profile after writing, erasure, and rewriting, respectively.

Fig. 4
Fig. 4

Single-bit erasing of temporal data 1,1,0,0: (a) 1,1,0,0 signal before erasing, (b) temporal signal after the second bit was erased.

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