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Optics Letters

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  • Vol. 20, Iss. 17 — Sep. 1, 1995
  • pp: 1815–1817

High-frequency enhancement of magneto-optic data storage signals by optical and electronic filtering

Edwin P. Walker and Tom D. Milster  »View Author Affiliations


Optics Letters, Vol. 20, Issue 17, pp. 1815-1817 (1995)
http://dx.doi.org/10.1364/OL.20.001815


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Abstract

We show that the system transfer function of magneto-optic data storage systems can be improved significantly by combination of optical filtering and electronic filtering. In our experiment, the relative high-frequency contrast improved from 10% to 40% after application of a combined optical and electronic filter. The carrier-to-noise ratio was slightly degraded at low frequencies but was improved by 2–3 dB at high frequencies. Measurements indicate that the combined system improves jitter by a factor of 3 at high frequencies.

© 1995 Optical Society of America

History
Original Manuscript: April 3, 1995
Published: September 1, 1995

Citation
Edwin P. Walker and Tom D. Milster, "High-frequency enhancement of magneto-optic data storage signals by optical and electronic filtering," Opt. Lett. 20, 1815-1817 (1995)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-20-17-1815


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References

  1. T. D. Milster, C. H. Curtis, Appl. Opt. 29, 6272 (1992). [CrossRef]
  2. Y. Yamanaka, Y. Hirose, K. Kubota, Jpn. J. Appl. Phys. 28(Suppl. 3), 197 (1989). [CrossRef]
  3. H. Ando, T. Yokota, K. Tanoue, Jpn. J. Appl. Phys. 32, 5269 (1993). [CrossRef]
  4. T. D. Milster, M. S. Wang, W. Li, E. Walker, Jpn. J. Appl. Phys. 32, 5397 (1993). [CrossRef]
  5. A. Marchant, Optical Recording (Addison-Wesley, Reading, Mass., 1990), Chap. 8, pp. 215–217.
  6. T. Tanabe, N. Amano, R. Arai, in Optical Data Storage, Vol. 10 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), p. 132.
  7. A. Marchant, Optical Recording (Addison-Wesley, Reading, Mass., 1990), Chap. 9, p. 254.

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