Abstract

The fluorescence- and transmittance-detection readout methods of a near-field photochromic optical memory by a scanning-probe technique were studied theoretically. Shot noise, as the principal noise, was taken into account in an analysis of the signal-to-noise ratio (SNR). Under most conditions, fluorescence-detection readout yielded a better SNR than did transmittance-detection readout. For a transmittance change of 0.9–1.0 as a result of recording, a readout light power of approximately 100 nW, and a system bandwidth of 1 MHz, only the fluorescence-detection readout method, under the condition that the fluorescent layer of the medium have a fluorescence quantum yield greater than 0.4, can produce a sufficiently large SNR.

© 1998 Optical Society of America

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    [CrossRef]
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    [CrossRef]

1997 (2)

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Theoretical analysis of super-resolution optical disk mastering using a photoreactive dye mask layer,” Opt. Rev. 4, 385–389 (1997).
[CrossRef]

1996 (2)

T. Tsujioka, M. Kume, M. Irie, “Optical density dependence of write/read characteristics in photon-mode-photochromic memory,” Jpn. J. Appl. Phys. 35, 4353–4360 (1996).
[CrossRef]

M. Hamano, M. Irie, “Rewritable near-field optical recording on photochromic thin films,” Jpn. J. Appl. Phys. 35, 1764–1767 (1996).
[CrossRef]

1995 (4)

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Super-low power readout characteristics of photochromic memory,” Jpn. J. Appl. Phys. 34, 6439–6433 (1995).
[CrossRef]

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

1994 (4)

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

T. Tsujioka, Y. Shimizu, M. Irie, “Crosstalk in photon-mode photochromic multi-wavelength recording,” Jpn. J. Appl. Phys. 33, 1914–1919 (1994).
[CrossRef]

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

1993 (2)

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

1992 (1)

A. Fukumoto, S. Kubota, “Superresolution of optical disks using a small aperture,” Jpn. J. Appl. Phys. 31, 529–533 (1992).
[CrossRef]

1991 (2)

1990 (2)

1985 (1)

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Akiyama, Y.

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

Betzig, E.

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Bouwhuis, G.

Chaki, Y.

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

Crowe, D. G.

Eriguchi, T.

K. Uchida, M. Irie, T. Eriguchi, H. Tsuzuki, “Photochromism of single crystalline diarylethenes,” Chem. Lett. 1995, 899–900.

Esener, S.

Finn, P. L.

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Fujihira, M.

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Fukumoto, A.

A. Fukumoto, S. Kubota, “Superresolution of optical disks using a small aperture,” Jpn. J. Appl. Phys. 31, 529–533 (1992).
[CrossRef]

Funatsu, T.

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Gyorgy, E. M.

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Haase, M. A.

M. A. Haase, “Blue-green II–V laser diodes: progress in reliability,” in Joint International Symposium on Optical Memory and Optical Data Storage, Vol. 12 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 360–362.

Hamano, M.

M. Hamano, M. Irie, “Rewritable near-field optical recording on photochromic thin films,” Jpn. J. Appl. Phys. 35, 1764–1767 (1996).
[CrossRef]

Harada, T.

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

Harada, Y.

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Hashida, T.

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

Hashimoto, M.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Hibino, J.

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

Hirokane, J.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Horikawa, Y.

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

Hunter, S.

Ichihashi, J.

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Ino, H.

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

Irie, M.

T. Tsujioka, M. Kume, M. Irie, “Theoretical analysis of super-resolution optical disk mastering using a photoreactive dye mask layer,” Opt. Rev. 4, 385–389 (1997).
[CrossRef]

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

M. Hamano, M. Irie, “Rewritable near-field optical recording on photochromic thin films,” Jpn. J. Appl. Phys. 35, 1764–1767 (1996).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Optical density dependence of write/read characteristics in photon-mode-photochromic memory,” Jpn. J. Appl. Phys. 35, 4353–4360 (1996).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Super-low power readout characteristics of photochromic memory,” Jpn. J. Appl. Phys. 34, 6439–6433 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

T. Tsujioka, Y. Shimizu, M. Irie, “Crosstalk in photon-mode photochromic multi-wavelength recording,” Jpn. J. Appl. Phys. 33, 1914–1919 (1994).
[CrossRef]

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

K. Uchida, M. Irie, T. Eriguchi, H. Tsuzuki, “Photochromism of single crystalline diarylethenes,” Chem. Lett. 1995, 899–900.

Ishikawa, A.

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

Jiang, S.

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Kano, T.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Kashiwagi, T.

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

Katayama, H.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Kawata, K.

T. Tanaka, K. Kawata, S. Kawata, “Three-dimensional multi-layered optical memory with laser scanning microscope technology,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Kawata, S.

T. Tanaka, K. Kawata, S. Kawata, “Three-dimensional multi-layered optical memory with laser scanning microscope technology,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Kiamilev, F.

Kishimoto, Y.

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

Kubota, S.

A. Fukumoto, S. Kubota, “Superresolution of optical disks using a small aperture,” Jpn. J. Appl. Phys. 31, 529–533 (1992).
[CrossRef]

Kume, M.

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Theoretical analysis of super-resolution optical disk mastering using a photoreactive dye mask layer,” Opt. Rev. 4, 385–389 (1997).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Optical density dependence of write/read characteristics in photon-mode-photochromic memory,” Jpn. J. Appl. Phys. 35, 4353–4360 (1996).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Super-low power readout characteristics of photochromic memory,” Jpn. J. Appl. Phys. 34, 6439–6433 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

Kuroki, K.

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

Monobe, H.

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Murakami, Y.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Ohara, M.

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

Ohta, K.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Ohtsu, M.

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Parthenopoulos, D.

Rentzepis, P. M.

Saito, K.

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Shimizu, Y.

T. Tsujioka, Y. Shimizu, M. Irie, “Crosstalk in photon-mode photochromic multi-wavelength recording,” Jpn. J. Appl. Phys. 33, 1914–1919 (1994).
[CrossRef]

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

Shimpuku, Y.

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

Spruit, J. H. M.

Strickler, J. H.

Suzuki, M.

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

Takahashi, A.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Takahashi, T.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Tanaka, T.

T. Tanaka, K. Kawata, S. Kawata, “Three-dimensional multi-layered optical memory with laser scanning microscope technology,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Taniguchi, T.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Tatezono, F.

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

Tazaki, S.

S. Tazaki, “Recording code and signal processing for optical storage,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Tokunaga, M.

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Trautman, J. K.

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Tsujioka, T.

T. Tsujioka, M. Kume, M. Irie, “Theoretical analysis of super-resolution optical disk mastering using a photoreactive dye mask layer,” Opt. Rev. 4, 385–389 (1997).
[CrossRef]

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Optical density dependence of write/read characteristics in photon-mode-photochromic memory,” Jpn. J. Appl. Phys. 35, 4353–4360 (1996).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Super-low power readout characteristics of photochromic memory,” Jpn. J. Appl. Phys. 34, 6439–6433 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

T. Tsujioka, Y. Shimizu, M. Irie, “Crosstalk in photon-mode photochromic multi-wavelength recording,” Jpn. J. Appl. Phys. 33, 1914–1919 (1994).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

Tsuzuki, H.

K. Uchida, M. Irie, T. Eriguchi, H. Tsuzuki, “Photochromism of single crystalline diarylethenes,” Chem. Lett. 1995, 899–900.

Uchida, K.

K. Uchida, M. Irie, T. Eriguchi, H. Tsuzuki, “Photochromism of single crystalline diarylethenes,” Chem. Lett. 1995, 899–900.

Umetani, K.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Webb, W. W.

Wolfe, R.

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Yamaoka, H.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

Yanagida, T.

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Yokouchi, H.

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

Appl. Opt. (3)

Appl. Phys. Lett. (1)

E. Betzig, J. K. Trautman, R. Wolfe, E. M. Gyorgy, P. L. Finn, “Near-field magnet-optics and high density data storage,” Appl. Phys. Lett. 61, 142–145 (1993).
[CrossRef]

Chem. Lett. (1)

K. Uchida, M. Irie, T. Eriguchi, H. Tsuzuki, “Photochromism of single crystalline diarylethenes,” Chem. Lett. 1995, 899–900.

Jpn. J. Appl. Phys. (9)

M. Hamano, M. Irie, “Rewritable near-field optical recording on photochromic thin films,” Jpn. J. Appl. Phys. 35, 1764–1767 (1996).
[CrossRef]

F. Tatezono, T. Harada, Y. Shimizu, M. Ohara, M. Irie, “Photochromic rewritable memory media: a new nondestructive readout method,” Jpn. J. Appl. Phys. 32, 3987–3990 (1993).
[CrossRef]

T. Tsujioka, F. Tatezono, T. Harada, K. Kuroki, M. Irie, “Recording sensitivity and super-low power readout of photon-mode photochromic memory,” Jpn. J. Appl. Phys. 33, 5788–5792 (1994).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Super-low power readout characteristics of photochromic memory,” Jpn. J. Appl. Phys. 34, 6439–6433 (1995).
[CrossRef]

T. Takahashi, T. Taniguchi, K. Umetani, H. Yokouchi, M. Hashimoto, T. Kano, “cis–trans photoisomerization of perinaphthothioindigo for use as a photo-imaging sensor using fluorescence under He–Ne laser excitation,” Jpn. J. Appl. Phys. 24, 173–176 (1985).
[CrossRef]

T. Tsujioka, M. Kume, Y. Horikawa, A. Ishikawa, M. Irie, “Super-resolution disk with a photochromic mask layer,” Jpn. J. Appl. Phys. 36, 526–529 (1997).
[CrossRef]

A. Fukumoto, S. Kubota, “Superresolution of optical disks using a small aperture,” Jpn. J. Appl. Phys. 31, 529–533 (1992).
[CrossRef]

T. Tsujioka, Y. Shimizu, M. Irie, “Crosstalk in photon-mode photochromic multi-wavelength recording,” Jpn. J. Appl. Phys. 33, 1914–1919 (1994).
[CrossRef]

T. Tsujioka, M. Kume, M. Irie, “Optical density dependence of write/read characteristics in photon-mode-photochromic memory,” Jpn. J. Appl. Phys. 35, 4353–4360 (1996).
[CrossRef]

Mol. Cryst. Liq. Cryst. (1)

M. Suzuki, T. Hashida, J. Hibino, Y. Kishimoto, “Multiple optical memory using photochromic spiropyran aggregates,” Mol. Cryst. Liq. Cryst. 246, 389–396 (1994).
[CrossRef]

Nature (London) (1)

T. Funatsu, Y. Harada, M. Tokunaga, K. Saito, T. Yanagida, “Imaging of single fluorescent molecules and individual ATP turnovers by single myosin molecules in aqueous solution,” Nature (London) 374, 555–559 (1995).
[CrossRef]

Opt. Commun. (1)

S. Jiang, J. Ichihashi, H. Monobe, M. Fujihira, M. Ohtsu, “Highly localized photochemical processes in LB films of photochromic material by using a photon scanning tunneling microscope,” Opt. Commun. 106, 173–177 (1994).
[CrossRef]

Opt. Lett. (1)

Opt. Rev. (3)

T. Tsujioka, M. Kume, M. Irie, “Theoretical analysis of super-resolution optical disk mastering using a photoreactive dye mask layer,” Opt. Rev. 4, 385–389 (1997).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Super-resolution with a photochromic mask layer in an optical memory,” Opt. Rev. 2, 181–186 (1995).
[CrossRef]

T. Tsujioka, T. Harada, M. Kume, K. Kuroki, M. Irie, “Theoretical analysis of photon-mode super-resolution using saturable absorption dye,” Opt. Rev. 2, 225–228 (1995).
[CrossRef]

Other (6)

M. A. Haase, “Blue-green II–V laser diodes: progress in reliability,” in Joint International Symposium on Optical Memory and Optical Data Storage, Vol. 12 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 360–362.

J. Hirokane, Y. Murakami, H. Katayama, A. Takahashi, K. Ohta, H. Yamaoka, “Recording characteristics of a magnet-optical super-resolution disk,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

T. Tanaka, K. Kawata, S. Kawata, “Three-dimensional multi-layered optical memory with laser scanning microscope technology,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

M. Irie, ed., Photo-Reactive Materials for Ultrahigh Density Optical Memory (Elsevier, Amsterdam, 1994).

Y. Shimpuku, Y. Akiyama, T. Kashiwagi, H. Ino, Y. Chaki, “A new channel coding and SHG green laser for high density optical disk,” presented at the International Symposium on Optical Memory, Yokohama, Japan, 13–15 July 1992.

S. Tazaki, “Recording code and signal processing for optical storage,” presented at the Symposium on Optical Memory, Tokyo, Japan, 11–13 July 1994.

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Figures (7)

Fig. 1
Fig. 1

Model of the transmittance-detection readout method for near-field photochromic memory.

Fig. 2
Fig. 2

Model of the fluorescence-detection readout method for near-field photochromic memory.

Fig. 3
Fig. 3

Absorbance and fluorescence spectra of photochromic isomers A and B.

Fig. 4
Fig. 4

Bandwidth dependence of the SNR for the small-transmittance-change medium. Dashed lines, SNR obtained by the transmittance-detection method; solid lines, SNR obtained by the fluorescence-detection method. Solid lines (1), (2), (3), and (4) were obtained for ϕ f = 0.6, 0.15, 0.06, 0.015, respectively. The reference SNR value of 26 dB is also shown (dotted–dashed lines).

Fig. 5
Fig. 5

Bandwidth dependence of the SNR for the large-transmittance-change medium. Dashed lines, SNR obtained by the transmittance-detection method; solid lines, SNR obtained by the fluorescence-detection method. Solid lines (1), (2), (3), and (4) were obtained for ϕ f = 0.6, 0.15, 0.06, 0.015, respectively. The reference SNR value of 26 dB is also shown (dotted–dashed lines).

Fig. 6
Fig. 6

Fluorescence quantum-yield ϕ f dependence of the SNR for the small-transmittance-change medium. Dotted lines, the transmittance-detection method; solid curves, the fluorescence-detection method. Dotted–dashed lines, the reference SNR value of 26 dB.

Fig. 7
Fig. 7

Fluorescence quantum-yield ϕ f dependence of the SNR for the large-transmittance-change medium. Dotted lines, the transmittance-detection method; solid curves, the fluorescence-detection method. Dotted–dashed lines, the reference SNR value of 26 dB.

Tables (1)

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Table 1 Parameters Used in the Theoretical Estimate and Related Equation Numbers

Equations (11)

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P media = P probe   exp - d / Φ .
I T m = γ T η λ 2 P probe   exp - d / Φ T m ,
I T l = γ T η λ 2 P probe   exp - d / Φ T l ,
I T sig = γ T η λ 2 P probe   exp - d / Φ | T m - T l | / 2 ,
I T shot = 2 eW γ T η λ 2 P probe   exp - d / Φ | T m + T l | / 2 1 / 2 ,
SNR T = 1 2 γ T η λ 2 P probe   exp - d / Φ | T m - T l | eW | T m + T l | 1 / 2 .
I F m = 0 ,
I F l = γ F η λ 3 P probe   exp - d / Φ 1 - T l ϕ f λ 2 λ 3 ,
I F sig = γ F η λ 3 P probe   exp - d / Φ 1 - T l ϕ f λ 2 λ 3 / 2 .
I F shot = eW γ F η λ 3 P probe   exp - d / Φ 1 - T l ϕ f λ 2 λ 3 1 / 2 .
SNR F = 1 2 γ F η λ 3 P probe   exp - d / Φ 1 - T l ϕ f λ 2 eW λ 3 1 / 2 .

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