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- Jun Muramatsu, Shigeki Miyake
- IEEE Transactions on Information Theory
- 2010

The aim of this paper is to prove the achievability of rate regions for several coding problems by using sparse matrices (with logarithmic column degree) and maximum-likelihood (ML) coding. Theseâ€¦ (More)

- Jun Muramatsu
- IEICE Transactions
- 2006

This paper deals with a secret key agreement problem from correlated random numbers. It is proved that there is a pair of linear matrices that yields a secret key agreement in the situation wherein aâ€¦ (More)

- Shigeki Miyake, Jun Muramatsu
- IEICE Transactions
- 2008

- Toru Yamamoto, Isao Oowada, +6 authors Peter Davis
- Optics express
- 2007

We experimentally and numerically observe synchronization of two semiconductor lasers commonly driven by a chaotic semiconductor laser subject to optical feedback. Under condition that the relaxationâ€¦ (More)

- Jun Muramatsu, Tomohiko Uyematsu, Tadashi Wadayama
- IEEE Transactions on Information Theory
- 2005

Linear codes for a coding problem of correlated sources are considered. It is proved that we can construct codes by using low-density parity-check (LDPC) matrices with maximum-likelihood (or typicalâ€¦ (More)

- Kazuyuki Yoshimura, Jun Muramatsu, +5 authors Atsushi Uchida
- Physical review letters
- 2012

We propose a secure key distribution scheme based on correlated physical randomness in remote optical scramblers driven by common random light. The security of the scheme depends on the practicalâ€¦ (More)

- Hayato Koizumi, Shinichiro Morikatsu, +6 authors Peter Davis
- Optics express
- 2013

It has been proposed that a secure key distribution scheme using correlated random bit sequences can be implemented using common random-signal induced synchronization of semiconductor laser systems.â€¦ (More)

- Takahisa Harayama, Satoshi Sunada, +4 authors Peter Davis
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2012

We theoretically show that completely stochastic fast physical random bit generation at a rate of more than one gigabit per second can be realized by using lasers with optical delayed feedback whichâ€¦ (More)

- Jun Muramatsu, Shigeki Miyake
- 2008 IEEE International Symposium on Informationâ€¦
- 2008

The aim of this paper is to prove the achievability of the Wyner-Ziv source coding problem by using sparse matrices and maximal-likelihood (ML) coding. To this end, the notion of a hash property forâ€¦ (More)

- Jun Muramatsu
- IEEE Transactions on Information Theory
- 2014

Stochastic encoders for channel coding and lossy source coding are introduced with a rate close to the fundamental limits, where the only restriction is that the channel input alphabet and theâ€¦ (More)