Abstract

The effects of recorded marks, groove geometry, and aberrations on readout-signal cross talk are numerically analyzed in magneto-optical land and groove recording, with an application of scalar diffraction theory. Three simple patterns of recorded marks are considered, and each of them consists of three tracks that respectively have three marks of a single frequency. Cross talk as a function of groove depth is calculated at the edges, as well as at the center, of a mark in the center track for each frequency. The groove-depth ranges over which cross talk is less than -30 dB are obtained for each pattern.

© 1997 Optical Society of America

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References

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  1. K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
    [CrossRef]
  2. T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
    [CrossRef]
  3. H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.
  4. A. Fukumoto, S. Masuhara, K. Aratani, “Cross-talk analysis of land/groove magneto-optical recording,” Proceedings of Symposium on Optical Memory (Japan Society of Applied Physics, Tokyo, 1994), pp. 41–42.
  5. A. Fukumoto, S. Masuhara, K. Aratani, “Land/groove recording in MO systems,” in Optical Data Storage’95, G. R. Knight, H. Ooki, Y.-S. Tyan, eds., Proc. SPIE2514, 374–382 (1995).
    [CrossRef]
  6. T. D. Goodman, M. Mansuripur, “Optimization of groove depth for cross-talk cancellation in the scheme of land/groove recording in magneto-optical disk systems,” in Proceedings of Optical Data Storage Topical Meeting (The International Society for Optical Engineering, Bellingham Wash., 1995), pp. 62–63
  7. N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
    [CrossRef]
  8. K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38
  9. M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.
  10. G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).
  11. A. B. Marchant, Optical Recording: A Technical Overview (Addison-Wesley, Reading, Mass., 1990).
  12. M. Mansuripur, The Physical Principles of Magneto-optical Recording (Cambridge U. Press, New York, 1995).
    [CrossRef]
  13. H. H. Hopkins, “Diffraction theory of laser read-out systems for optical video discs,” J. Opt. Soc. Am. 69, 513–555 (1978).
  14. V. B. Jipson, C. C. Williams, “Two-dimensional modeling of an optical disk readout,” Appl. Opt. 22, 2202–2209 (1983).
    [CrossRef]
  15. M. Mansuripur, C. Pons, “Diffraction modeling of optical path for magneto-optical disk systems,” in Optical Storage Technology and Applications, D. B. Carlin, A. A. Jamberdino, Y. Tsunoda, eds., Proc. SPIE899, 56–60 (1988).
  16. M. Mansuripur, “Distribution of light at and near the focus of high-numerical-aperture objectives,” J. Opt. Soc. Am. A 3, 2086–2093 (1986).
    [CrossRef]
  17. M. Mansuripur, “Certain computational aspects of vector diffraction problems,” J. Opt. Soc. Am. A 6, 786–805 (1989).
    [CrossRef]
  18. Available from M. Mansuripur, Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.
  19. B. E. Bernacki, M. Mansuripur, “Investigation of substrate birefringence effects on optical-disk performance,” Appl. Opt. 32, 6547–6555 (1993).
    [CrossRef] [PubMed]
  20. R. T. Lynch, “Channels and codes for magnetooptical recording,” IEEE J. Select. Areas Commun. 10, 57–72 (1992).
    [CrossRef]
  21. L. Cheng, M. Mansuripur, D. G. Howe, “Partial-response equalization in magneto-optical disk readout: a theoretical investigation,” Appl. Opt. 34, 5153–5166 (1995).
    [CrossRef] [PubMed]

1995 (1)

1993 (3)

B. E. Bernacki, M. Mansuripur, “Investigation of substrate birefringence effects on optical-disk performance,” Appl. Opt. 32, 6547–6555 (1993).
[CrossRef] [PubMed]

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

1992 (1)

R. T. Lynch, “Channels and codes for magnetooptical recording,” IEEE J. Select. Areas Commun. 10, 57–72 (1992).
[CrossRef]

1989 (1)

1986 (1)

1983 (1)

1978 (1)

H. H. Hopkins, “Diffraction theory of laser read-out systems for optical video discs,” J. Opt. Soc. Am. 69, 513–555 (1978).

Akahira, A.

M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.

Akahira, N.

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

Aratani, K.

A. Fukumoto, S. Masuhara, K. Aratani, “Land/groove recording in MO systems,” in Optical Data Storage’95, G. R. Knight, H. Ooki, Y.-S. Tyan, eds., Proc. SPIE2514, 374–382 (1995).
[CrossRef]

A. Fukumoto, S. Masuhara, K. Aratani, “Cross-talk analysis of land/groove magneto-optical recording,” Proceedings of Symposium on Optical Memory (Japan Society of Applied Physics, Tokyo, 1994), pp. 41–42.

Bernacki, B. E.

Bouwhuis, G.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Braat, J.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Cheng, L.

Fukumoto, A.

A. Fukumoto, S. Masuhara, K. Aratani, “Land/groove recording in MO systems,” in Optical Data Storage’95, G. R. Knight, H. Ooki, Y.-S. Tyan, eds., Proc. SPIE2514, 374–382 (1995).
[CrossRef]

A. Fukumoto, S. Masuhara, K. Aratani, “Cross-talk analysis of land/groove magneto-optical recording,” Proceedings of Symposium on Optical Memory (Japan Society of Applied Physics, Tokyo, 1994), pp. 41–42.

Goodman, T. D.

T. D. Goodman, M. Mansuripur, “Optimization of groove depth for cross-talk cancellation in the scheme of land/groove recording in magneto-optical disk systems,” in Proceedings of Optical Data Storage Topical Meeting (The International Society for Optical Engineering, Bellingham Wash., 1995), pp. 62–63

Gotoh, Y.

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

Honma, H.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

Hopkins, H. H.

H. H. Hopkins, “Diffraction theory of laser read-out systems for optical video discs,” J. Opt. Soc. Am. 69, 513–555 (1978).

Howe, D. G.

Huijser, A.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Immink, K. S.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Inada, H.

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Invada, H.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

Itoi, S.

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

Iwanaga, T.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Jipson, V. B.

Katayama, R.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Kayanuma, K.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Kobayashi, K.

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

Lynch, R. T.

R. T. Lynch, “Channels and codes for magnetooptical recording,” IEEE J. Select. Areas Commun. 10, 57–72 (1992).
[CrossRef]

Mansuripur, M.

L. Cheng, M. Mansuripur, D. G. Howe, “Partial-response equalization in magneto-optical disk readout: a theoretical investigation,” Appl. Opt. 34, 5153–5166 (1995).
[CrossRef] [PubMed]

B. E. Bernacki, M. Mansuripur, “Investigation of substrate birefringence effects on optical-disk performance,” Appl. Opt. 32, 6547–6555 (1993).
[CrossRef] [PubMed]

M. Mansuripur, “Certain computational aspects of vector diffraction problems,” J. Opt. Soc. Am. A 6, 786–805 (1989).
[CrossRef]

M. Mansuripur, “Distribution of light at and near the focus of high-numerical-aperture objectives,” J. Opt. Soc. Am. A 3, 2086–2093 (1986).
[CrossRef]

M. Mansuripur, C. Pons, “Diffraction modeling of optical path for magneto-optical disk systems,” in Optical Storage Technology and Applications, D. B. Carlin, A. A. Jamberdino, Y. Tsunoda, eds., Proc. SPIE899, 56–60 (1988).

M. Mansuripur, The Physical Principles of Magneto-optical Recording (Cambridge U. Press, New York, 1995).
[CrossRef]

T. D. Goodman, M. Mansuripur, “Optimization of groove depth for cross-talk cancellation in the scheme of land/groove recording in magneto-optical disk systems,” in Proceedings of Optical Data Storage Topical Meeting (The International Society for Optical Engineering, Bellingham Wash., 1995), pp. 62–63

Marchant, A. B.

A. B. Marchant, Optical Recording: A Technical Overview (Addison-Wesley, Reading, Mass., 1990).

Masuhara, S.

A. Fukumoto, S. Masuhara, K. Aratani, “Land/groove recording in MO systems,” in Optical Data Storage’95, G. R. Knight, H. Ooki, Y.-S. Tyan, eds., Proc. SPIE2514, 374–382 (1995).
[CrossRef]

A. Fukumoto, S. Masuhara, K. Aratani, “Cross-talk analysis of land/groove magneto-optical recording,” Proceedings of Symposium on Optical Memory (Japan Society of Applied Physics, Tokyo, 1994), pp. 41–42.

Miyagawa, M.

M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.

Miyagawa, N.

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

Morimoto, I.

K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38

Nakada, M.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

Nishimura, K.

K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38

Nishiuchi, K.

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.

Ohno, E.

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.

Okada, O.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Okanoue, K.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Pasman, J.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Pons, C.

M. Mansuripur, C. Pons, “Diffraction modeling of optical path for magneto-optical disk systems,” in Optical Storage Technology and Applications, D. B. Carlin, A. A. Jamberdino, Y. Tsunoda, eds., Proc. SPIE899, 56–60 (1988).

Segawa, S.

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

Suzuki, T.

K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38

Takeguchi, K.

K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38

Tsunekane, M.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Van Rosmalen, G.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

Williams, C. C.

Yamanaka, Y.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Yoshihara, K.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

Appl. Opt. (3)

IEEE J. Select. Areas Commun. (1)

R. T. Lynch, “Channels and codes for magnetooptical recording,” IEEE J. Select. Areas Commun. 10, 57–72 (1992).
[CrossRef]

J. Opt. Soc. Am. (1)

H. H. Hopkins, “Diffraction theory of laser read-out systems for optical video discs,” J. Opt. Soc. Am. 69, 513–555 (1978).

J. Opt. Soc. Am. A (2)

Jpn. J. Appl. Phys. (2)

T. Iwanaga, H. Honma, K. Kayanuma, S. Segawa, M. Nakada, R. Katayama, H. Invada, “High-density land/groove recording for digital video file system,” Jpn. J. Appl. Phys. 32, 5449–5450 (1993).
[CrossRef]

N. Miyagawa, Y. Gotoh, E. Ohno, K. Nishiuchi, N. Akahira, “Land and groove recording for high track density on phase-change optical disks,” Jpn. J. Appl. Phys. 32, 5324–5328 (1993).
[CrossRef]

Other (12)

K. Nishimura, T. Suzuki, K. Takeguchi, I. Morimoto, “High density land and groove recording on phase change optical disk,” Proceedings of Symposium on Optical Memory 1994 (Japan Society of Applied Physics, Tokyo, 1994), pp. 37–38

M. Miyagawa, E. Ohno, K. Nishiuchi, A. Akahira, “Phase change optical disk using land and groove method applicable to proposed SD-RAM specifications,” in Proceedings of the International Symposium on Optical Memory 1995 (Japan Society of Applied Physics, Tokyo, 1995), Technical Digest of Postdeadline Papers, pp. 25–26.

G. Bouwhuis, J. Braat, A. Huijser, J. Pasman, G. Van Rosmalen, K. S. Immink, Principles of Optical Disc Systems (Hilger, Bristol, UK, 1985).

A. B. Marchant, Optical Recording: A Technical Overview (Addison-Wesley, Reading, Mass., 1990).

M. Mansuripur, The Physical Principles of Magneto-optical Recording (Cambridge U. Press, New York, 1995).
[CrossRef]

H. Honma, T. Iwanaga, K. Kayanuma, M. Nakada, R. Katayama, K. Kobayashi, S. Itoi, H. Inada, “High density land/groove recording using PRML technology,” in Optical Data Storage, Vol. 10 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 138–139.

A. Fukumoto, S. Masuhara, K. Aratani, “Cross-talk analysis of land/groove magneto-optical recording,” Proceedings of Symposium on Optical Memory (Japan Society of Applied Physics, Tokyo, 1994), pp. 41–42.

A. Fukumoto, S. Masuhara, K. Aratani, “Land/groove recording in MO systems,” in Optical Data Storage’95, G. R. Knight, H. Ooki, Y.-S. Tyan, eds., Proc. SPIE2514, 374–382 (1995).
[CrossRef]

T. D. Goodman, M. Mansuripur, “Optimization of groove depth for cross-talk cancellation in the scheme of land/groove recording in magneto-optical disk systems,” in Proceedings of Optical Data Storage Topical Meeting (The International Society for Optical Engineering, Bellingham Wash., 1995), pp. 62–63

Available from M. Mansuripur, Optical Sciences Center, University of Arizona, Tucson, Arizona 85721.

K. Kayanuma, T. Iwanaga, H. Inada, K. Okanoue, R. Katayama, K. Yoshihara, Y. Yamanaka, M. Tsunekane, O. Okada, “High track density magneto-optical recording using a crosstalk canceler,” in Optical Data Storage, Y. Tsunoda, M. de Haan, eds., Proc. SPIE1316, 35–39 (1990).
[CrossRef]

M. Mansuripur, C. Pons, “Diffraction modeling of optical path for magneto-optical disk systems,” in Optical Storage Technology and Applications, D. B. Carlin, A. A. Jamberdino, Y. Tsunoda, eds., Proc. SPIE899, 56–60 (1988).

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Figures (7)

Fig. 1
Fig. 1

Schematic diagram of the optical system used in the simulation. It is not drawn to scale. An x-polarized Gaussian beam, which is incident on an objective lens, is focused onto a MO disk through the air. The beam reflected by the disk passes back through the objective, is partially reflected by a beam splitter, and propagates toward a differential detector, which is oriented at 45° relative to the x axis.

Fig. 2
Fig. 2

Patterns of recorded marks used in the simulation, drawn only for the cases of 4T marks. If the center track is a land, the two adjacent tracks are grooves, and vice versa. The recorded marks are located in single frequencies on both land and groove. Calculations are performed for the lengths of the marks 2T, 3T, and 4T (T = 0.3 µm). Cross talk is obtained at the center, as well as at the leading and trailing edges, of the mark located in the middle of the center track. Hereafter, the patterns shown in (a)–(c) are called patterns A, B, and C, respectively.

Fig. 3
Fig. 3

Variations of the cross talk as a function of groove depth in the cases of 2T marks on the land in (a) pattern A, (b) pattern B, and (c) pattern C. Hereafter, the land or groove width refers to the width of the land top or the groove bottom, respectively, where the marks are actually located. The groove geometry has a rectangular cross section, and the land, groove, and mark widths are all equal to 0.6 µm. In (a) and (b), the cross talk at the mark leading and trailing edges is the same.

Fig. 4
Fig. 4

Ranges of the groove depth with a cross-talk value of less than -30 dB for each mark length in (a) pattern A, (b) pattern B, and (c) pattern C. The groove geometry has a rectangular cross section, and the land, groove, and mark widths are all equal to 0.6 µm. In (a) and (b), the ranges of cross talk at the mark leading and trailing edges for each mark length are the same.

Fig. 5
Fig. 5

Ranges of the groove depth with a cross-talk value of less than -30 dB in (a) pattern A, (b) pattern B, and (c) pattern C, where the each vertical bar represents the groove-depth range over which the center and edges of the 2T, 3T, and 4T marks on the land have a cross-talk value of less than -30 dB simultaneously. The numbers 1–5 in the x axis denote varying cases of land top widths, groove bottom widths, and mark widths: 1 with 0.6, 0.6, and 0.6 µm, respectively; 2 with 0.6, 0.6, and 0.5 µm, respectively; 3 for 0.6, 0.6, and 0.4 µm, respectively; 4 for 0.5, 0.5, and 0.5 µm, respectively; and 5 for 0.4, 0.4, 0.4 µm, respectively.

Fig. 6
Fig. 6

Variations of cross talk with the groove depth for 2T marks on the land in pattern C. Here the primary aberrations are added to the objective lens. For (a), a spherical aberration of 0.1λ is added. A 0.1λ coma, with its tail perpendicular to the track direction, and a 0.1λ astigmatism, with its line foci at 45° to the track direction are added for (b) and (c), respectively. The groove geometry has a rectangular cross section, and the land, groove, and mark widths are all equal to 0.6 µm. These figures are to be compared with Fig. 3(c).

Fig. 7
Fig. 7

Ranges of the groove depth with cross talk of less than -30 dB in pattern C. The primary aberrations are added to the objective lens, with the spherical aberration of 0.1λ included for (a), and the 0.1λ coma, with its tail perpendicular to the track direction, added for (b). No vertical bars were observed for the case with 0.1λ astigmatism with its line foci at 45° to the track direction; this case is not illustrated here. For the numbers on the x axis, refer to Fig. 5. Each vertical bar represents the groove-depth range over which the center and edges of the 2T, 3T, and 4T marks on the land have cross talk of less than -30 dB simultaneously. These figures are to be compared with Fig. 5(c). No vertical bars in number 1 indicate that there are no groove-depth ranges sharing cross talk less than -30 dB. Also, note that number 3 in (b) has no vertical bar.

Tables (1)

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Table 1 Parameter Values in the Simultation

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