High data-rate phase-change media for the digital video recording system

Benno Tieke; Martijn Dekker; Nicola Pfeffer; Roel Van Woudenberg; Guo Fu Zhou; Igolt P.D. Ubbens

High data-rate phase-change media for the digital video recording system

Benno Tieke, Martijn Dekker, Nicola Pfeffer, Roel Van Woudenberg, Guo Fu Zhou, Igolt P.D. Ubbens

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

The digital video recording (DVR) system combines a high numerical aperture (NA = 0.85) with a thin cover layer to achieve higher storage capacities in optical recording. In addition to capacity, the data-rate is a key parameter for DVR and a major challenge in research on phase-change materials. Using Ge₂Sb₂Te₅ as the phase-change material, we demonstrate recording using a red laser diode (λ = 650 nm) at a user data-rate of 33 Mbps and a capacity of 9.2 GB for a single layer disc of 12 cm diameter, i.e. completely satisfying all the DVR system requirements. In addition, we achieved data-rates of up to 50 Mbps by applying a different stack design. Furthermore, we extend DVR to the blue-violet wavelength region. Using a GaN laser diode (λ = 400 nm) in our recording set up, a capacity of 21.5 GB was achieved at a data-rate of 28 Mbps.

Original language	English
Pages (from-to)	762-765
Number of pages	4
Journal	Japanese Journal of Applied Physics, Part 1 : Regular Papers and Short Notes & Review Papers
Volume	39
Issue number	2 B
Publication status	Published - 1 Dec 2000
Externally published	Yes

Keywords

Blue laser
DVR
Ge-Sb-Te
High NA
Nucleation enhancement
Optical recording system
Phase-change recording
Rewritable
Thin cover
Video recording system

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title = "High data-rate phase-change media for the digital video recording system",

abstract = "The digital video recording (DVR) system combines a high numerical aperture (NA = 0.85) with a thin cover layer to achieve higher storage capacities in optical recording. In addition to capacity, the data-rate is a key parameter for DVR and a major challenge in research on phase-change materials. Using Ge2Sb2Te5 as the phase-change material, we demonstrate recording using a red laser diode (λ = 650 nm) at a user data-rate of 33 Mbps and a capacity of 9.2 GB for a single layer disc of 12 cm diameter, i.e. completely satisfying all the DVR system requirements. In addition, we achieved data-rates of up to 50 Mbps by applying a different stack design. Furthermore, we extend DVR to the blue-violet wavelength region. Using a GaN laser diode (λ = 400 nm) in our recording set up, a capacity of 21.5 GB was achieved at a data-rate of 28 Mbps.",

keywords = "Blue laser, DVR, Ge-Sb-Te, High NA, Nucleation enhancement, Optical recording system, Phase-change recording, Rewritable, Thin cover, Video recording system",

author = "Benno Tieke and Martijn Dekker and Nicola Pfeffer and {Van Woudenberg}, Roel and Zhou, {Guo Fu} and Ubbens, {Igolt P.D.}",

year = "2000",

month = dec,

day = "1",

language = "English",

volume = "39",

pages = "762--765",

journal = "Japanese Journal of Applied Physics, Part 1 : Regular Papers and Short Notes & Review Papers",

issn = "0021-4922",

publisher = "Japan Society of Applied Physics",

number = "2 B",

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High data-rate phase-change media for the digital video recording system. / Tieke, Benno; Dekker, Martijn; Pfeffer, Nicola; Van Woudenberg, Roel; Zhou, Guo Fu; Ubbens, Igolt P.D.

In: Japanese Journal of Applied Physics, Part 1 : Regular Papers and Short Notes & Review Papers, Vol. 39, No. 2 B, 01.12.2000, p. 762-765.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Zhou, Guo Fu

AU - Ubbens, Igolt P.D.

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N2 - The digital video recording (DVR) system combines a high numerical aperture (NA = 0.85) with a thin cover layer to achieve higher storage capacities in optical recording. In addition to capacity, the data-rate is a key parameter for DVR and a major challenge in research on phase-change materials. Using Ge2Sb2Te5 as the phase-change material, we demonstrate recording using a red laser diode (λ = 650 nm) at a user data-rate of 33 Mbps and a capacity of 9.2 GB for a single layer disc of 12 cm diameter, i.e. completely satisfying all the DVR system requirements. In addition, we achieved data-rates of up to 50 Mbps by applying a different stack design. Furthermore, we extend DVR to the blue-violet wavelength region. Using a GaN laser diode (λ = 400 nm) in our recording set up, a capacity of 21.5 GB was achieved at a data-rate of 28 Mbps.

AB - The digital video recording (DVR) system combines a high numerical aperture (NA = 0.85) with a thin cover layer to achieve higher storage capacities in optical recording. In addition to capacity, the data-rate is a key parameter for DVR and a major challenge in research on phase-change materials. Using Ge2Sb2Te5 as the phase-change material, we demonstrate recording using a red laser diode (λ = 650 nm) at a user data-rate of 33 Mbps and a capacity of 9.2 GB for a single layer disc of 12 cm diameter, i.e. completely satisfying all the DVR system requirements. In addition, we achieved data-rates of up to 50 Mbps by applying a different stack design. Furthermore, we extend DVR to the blue-violet wavelength region. Using a GaN laser diode (λ = 400 nm) in our recording set up, a capacity of 21.5 GB was achieved at a data-rate of 28 Mbps.

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KW - Phase-change recording

KW - Rewritable

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KW - Video recording system

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