High-density optical data storage enabled by the photonic nanojet from a dielectric microsphere

Soon Cheol Kong; Alan V. Sahakian; Allen Taflove; Vadim Backman

doi:10.1143/JJAP.48.03A008

High-density optical data storage enabled by the photonic nanojet from a dielectric microsphere

Soon Cheol Kong^*, Alan V. Sahakian, Allen Taflove, Vadim Backman

^*Corresponding author for this work

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

8 Scopus citations

Abstract

We discuss the usage of the photonic nanojet to detect deeply subwavelength pits in a metal substrate for the purpose of high-density optical data storage. Three-dimensional finite-difference time-domain (FDTD) computational solutions of Maxwell's equations are used to analyze and design the system. We find that nanojet-illuminated pits having lateral dimensions of only 100 × 150nm² yield a 40-dB contrast ratio. The FDTD simulation results show that pit-depth modulation and pit-width modulation can significantly increase the optical datastorage capacity.

Original language	English (US)
Article number	03A008
Journal	Japanese Journal of Applied Physics
Volume	48
Issue number	3 PART 2
DOIs	https://doi.org/10.1143/JJAP.48.03A008
State	Published - Mar 2009

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1143/JJAP.48.03A008

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title = "High-density optical data storage enabled by the photonic nanojet from a dielectric microsphere",

abstract = "We discuss the usage of the photonic nanojet to detect deeply subwavelength pits in a metal substrate for the purpose of high-density optical data storage. Three-dimensional finite-difference time-domain (FDTD) computational solutions of Maxwell's equations are used to analyze and design the system. We find that nanojet-illuminated pits having lateral dimensions of only 100 × 150nm2 yield a 40-dB contrast ratio. The FDTD simulation results show that pit-depth modulation and pit-width modulation can significantly increase the optical datastorage capacity.",

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AU - Sahakian, Alan V.

AU - Taflove, Allen

AU - Backman, Vadim

PY - 2009/3

Y1 - 2009/3

N2 - We discuss the usage of the photonic nanojet to detect deeply subwavelength pits in a metal substrate for the purpose of high-density optical data storage. Three-dimensional finite-difference time-domain (FDTD) computational solutions of Maxwell's equations are used to analyze and design the system. We find that nanojet-illuminated pits having lateral dimensions of only 100 × 150nm2 yield a 40-dB contrast ratio. The FDTD simulation results show that pit-depth modulation and pit-width modulation can significantly increase the optical datastorage capacity.

AB - We discuss the usage of the photonic nanojet to detect deeply subwavelength pits in a metal substrate for the purpose of high-density optical data storage. Three-dimensional finite-difference time-domain (FDTD) computational solutions of Maxwell's equations are used to analyze and design the system. We find that nanojet-illuminated pits having lateral dimensions of only 100 × 150nm2 yield a 40-dB contrast ratio. The FDTD simulation results show that pit-depth modulation and pit-width modulation can significantly increase the optical datastorage capacity.

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High-density optical data storage enabled by the photonic nanojet from a dielectric microsphere

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