Abstract

We report what is believed to be the first use of a photorefractive polymer in erasable–rewritable three-dimensional bit optical data storage under two-photon excitation. We successfully demonstrate writing, erasing, and rewriting of multilayered information in a photorefractive polymer consisting of 2,5-dimethyl-4-(p-nitrophenylazo)anisole, 2,4,7-trinitro-9-fluorenone, 9-ethylcarbazole, and poly(N-vinylcarbazole). A three-dimensional bit density of 5 Gbits/cm3 is achieved by two-photon absorption under pulsed beam illumination at an infrared wavelength of 800 nm in the recording process. Complete erasing of the recording information is achieved by use of ultraviolet illumination.

© 1999 Optical Society of America

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    [CrossRef]
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1999 (1)

1998 (3)

1997 (1)

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

1994 (1)

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

1991 (1)

1990 (1)

D. A. Parthenopoulos and P. M. Rentzepis, J. Appl. Phys. 68, 5814 (1990).
[CrossRef]

1989 (1)

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

Bhawalkar, J.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Cheng, P. C.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Day, D.

Gu, M.

Ishitobi, H.

Kawata, S.

Kawata, Y.

Kippelen, B.

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Liou, W.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Meerholz, K.

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Pan, S.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Park, M.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Parthenopoulos, D. A.

D. A. Parthenopoulos and P. M. Rentzepis, J. Appl. Phys. 68, 5814 (1990).
[CrossRef]

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

Peyghhambarian, N.

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Prasad, P. N.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Rentzepis, P. M.

D. A. Parthenopoulos and P. M. Rentzepis, J. Appl. Phys. 68, 5814 (1990).
[CrossRef]

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

Saleh, B. E.

B. E. Saleh and M. C. Teich, Fundamentals of Photonics (Wiley, New York, 1991).
[CrossRef]

Samarabandu, J.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Sandalphon,

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Shih, A.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Strickler, J. H.

Swiatkiewicz, J.

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Teich, M. C.

B. E. Saleh and M. C. Teich, Fundamentals of Photonics (Wiley, New York, 1991).
[CrossRef]

Toriumi, A.

Volodin, B. L.

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Webb, W. W.

Appl. Opt. (1)

J. Appl. Phys. (1)

D. A. Parthenopoulos and P. M. Rentzepis, J. Appl. Phys. 68, 5814 (1990).
[CrossRef]

Nature (1)

K. Meerholz, B. L. Volodin, Sandalphon, B. Kippelen, and N. Peyghhambarian, Nature 371, 497 (1994).
[CrossRef]

Opt. Lett. (4)

Scanning (1)

S. Pan, A. Shih, W. Liou, M. Park, J. Bhawalkar, J. Swiatkiewicz, J. Samarabandu, P. N. Prasad, and P. C. Cheng, Scanning 19, 156 (1997).

Science (1)

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

Other (1)

B. E. Saleh and M. C. Teich, Fundamentals of Photonics (Wiley, New York, 1991).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Absorption curve of the photorefractive polymer.

Fig. 2
Fig. 2

Schematic diagram of the two-photon excitation microscope used to record 3D data bits in a photorefractive polymer.

Fig. 3
Fig. 3

Images of 24×24 bit patterns recorded by two-photon excitation in a photorefractive polymer: (a) letter A after the first reading, (b) letter A after it is read 1000 times.

Fig. 4
Fig. 4

Demonstration of writing, erasing, and rewriting in the same area: (a) letter A is recorded, (b) letter A is erased after being exposed to ultraviolet illumination for 1–2 s, and (c) letter B is recorded in the same area. The marked artifacts 1 and 2 indicate that the images are in the same area.

Fig. 5
Fig. 5

Recorded 24×24 bit patterns at different depths in the photorefractive polymer under two-photon excitation. The spacing between adjacent layers is 20 µm, and the bit separation is 3.2 µm. (a) first layer, including the letter A; (b) second layer, including the letter B; (c) third layer, including the letter C.

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