Holographic method for storage of digital information

AL Timofeev, AK Sultanov… - Optical Technologies for …, 2020 - spiedigitallibrary.org
… storing digital information in memory systems that are subject … to the interleaving method
used in communication systems to … Using holographic coding for error correction is based on …

A multi-level encoded and interleaved data format for holographic data storage with high reliability and high recoverability

S Wang, Q Cao, C Xie - Third International Computing Imaging …, 2023 - spiedigitallibrary.org
… Data fault tolerance is a method to recover data through error detection and correction by
introducing redundant parity data. LDPC and EC Code are two popular data fault tolerance …

[PDF][PDF] A hybrid method to improve the accuracy of multichannel volume holographic correlators

Q Ma, K Ni, QS He, LC Cao… - submitted to Chinese … - asianjournalofphysics.com
… In this work, we proposed a hybrid method combined of standardizing and interleaving
images to reduce this effect further, improving the output accuracy of volume holographic

[PDF][PDF] Digital data storage in a phase-encoded holographic memory system-Data quality and security

C Denz, I Foeldvari - academia.edu
volume holographic storage system in terms of data quality and security, which are the key
issues of any bulk memory system. … be combined with common error correction coding (eg …

Exploiting LDPC coding to improve data reliability for phase modulated holographic storage

Q Yu, M Zhang, Y Zhao, F Wu… - AOPC 2021: Micro-optics …, 2021 - spiedigitallibrary.org
… ) coding with remarkable error correction capability to improve … for phase modulated
holographic data storage systems. To … containing errors is demodulated and de-interleaved. After …

Two high-density recording methods with run-length limited turbo code for holographic data storage system

Y Nakamura, T Hoshizawa - Japanese Journal of Applied …, 2016 - iopscience.iop.org
… the error-correction process. The turbo code improves the capability of error correction more
… a log-likelihood ratio (LLR), de-interleaved to reconstruct the order of data, and its errors are …

Improvement of correlation speed of holographic optical correlator by low-correlation data interleaving

T Hoshizawa, K Saito, K Ikeda, T Sugaya… - Japanese Journal of …, 2019 - iopscience.iop.org
… in a large error in the calculated correlation rate owing to crosstalk from adjacent holograms.
To suppress this crosstalk, we propose a low-correlation data interleaving method that …

Serial maximum a posteriori detection of two-dimensional generalized partial response target for holographic data storage systems

TA Nguyen, J Lee - Applied Sciences, 2023 - mdpi.com
… HDS can achieve storage densities of hundreds of terabytes per cubic inch owing to its ability
to store multiple holograms in a single volume of storage medium. In addition, HDS has the …

Iterative readback‐aided detection for holographic data storage systems

CD Nguyen, J Lee - Electronics Letters, 2016 - Wiley Online Library
… The input data a[k] are converted into a 2D data array by the modulation encoder, and
after interleaving, the data are passed through a holographic channel with additive white …

Performance of LDPC Product Code According to Error Factors on Holographic Data Storage System

S Jeong, J Lee - Journal of The Institute of Electronics and …, 2017 - koreascience.kr
… codes and error correction for page-oriented optical data storage,” Proc. SPIE, Vol. 4342, pp.
… Keskinoz and BVKV Kumar, “Efficient modeling of volume holographic storage channels (…