A probabilistic sha** (PS) quadrature amplitude modulation (QAM) based on Y-00
quantum noise stream cipher (QNSC) has been proposed. We experimentally demonstrated …

We demonstrate a 4,294,967,296-quadrature amplitude modulation (QAM) based Y-00
quantum stream cipher system carrying a 160-Gb/s 16-QAM signal transmitted over 320-km …

The Internet plays an essential role in modern societies and in the amount of sensitive data
transported over the optical networks that shows its' importance has increased drastically …

We present the operation of a 1.5-Gb/s real-time Y-00 quantum stream cipher as an overlay
in a modern coherent wavelength-division multiplexed (WDM) transmission system. We …

We report the first on-line high-speed and large-capacity secure optical communication
system. This was realized by combining a quadrature amplitude modulation/quantum noise …

We describe in detail our recent demonstration of a 10 Tbit/s secure physical layer
transmission that we achieved by using digital coherent QAM quantum noise stream cipher …

Quantum noise stream cipher based on quadrature-amplitude-modulation (QAM/QNSC) is a
kind of physical layer encryption technology. However, the additional encryption penalty will …

In the quantum noise stream cipher (QNSC) system, the low-order plaintext is encrypted by
pre-shared keys into high-order ciphertext. However, high-speed optical communication …

We demonstrate the first 40 Gbit/s single-channel polarization-multiplexed, 5 Gsymbol/s, 16
QAM quantum noise stream cipher (QNSC) transmission over 480 km by incorporating ASE …

We report a 10-Gbaud fiber-optic cipher transmission system by using a phase-shift keying
(PSK) Y-00 quantum stream cipher. The PSK Y-00 cipher is a symmetric-key direct data …