Cavity-enhanced eigenmode and angular hybrid multiplexing in holographic data storage systems

Bo E. Miller, Yuzuru Takashima

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Resonant optical cavities have been demonstrated to improve energy efficiencies in Holographic Data Storage Systems (HDSS). The orthogonal reference beams supported as cavity eigenmodes can provide another multiplexing degree of freedom to push storage densities toward the limit of 3D optical data storage. While keeping the increased energy efficiency of a cavity enhanced reference arm, image bearing holograms are multiplexed by orthogonal phase code multiplexing via Hermite-Gaussian eigenmodes in a Fe:LiNbO3 medium with a 532 nm laser at two Bragg angles. We experimentally confirmed write rates are enhanced by an average factor of 1.1, and page crosstalk is about 2.5%. This hybrid multiplexing opens up a pathway to increase storage density while minimizing modification of current angular multiplexing HDSS.

Original languageEnglish (US)
Pages (from-to)29465-29476
Number of pages12
JournalOptics Express
Volume24
Issue number26
DOIs
StatePublished - Dec 26 2016

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data storage
multiplexing
cavities
Bragg angle
crosstalk
degrees of freedom
energy
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Cavity-enhanced eigenmode and angular hybrid multiplexing in holographic data storage systems. / Miller, Bo E.; Takashima, Yuzuru.

In: Optics Express, Vol. 24, No. 26, 26.12.2016, p. 29465-29476.

Research output: Contribution to journalArticle

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