Quantum arbitrary waveform generator
Kan Takase, Akito Kawasaki, Byung Kyu Jeong, Takahiro Kashiwazaki,, Takushi Kazama, Koji Enbutsu, Kei Watanabe, Takeshi Umeki, Shigehito Miki,, Hirotaka Terai, Masahiro Yabuno, Fumihiro China, Warit Asavanant, Mamoru, Endo, Jun-ichi Yoshikawa, and Akira Furusawa

TL;DR
This paper introduces a novel architecture for a quantum arbitrary waveform generator capable of producing complex, non-classical quantum light states at high repetition rates, advancing quantum communication and computing technologies.
Contribution
The paper presents a new architecture for Q-AWGs that operate semi-deterministically at GHz rates, enabling generation of previously unachievable quantum light waveforms.
Findings
Demonstrated generation of highly non-classical states with new waveforms
Achieved operation at over GHz repetition rates
Paved the way for advanced quantum computing applications
Abstract
Controlling the waveform of light is the key for a versatile light source in classical and quantum electronics. Although pulse shaping of classical light is a mature technique and has been used in various fields, more advanced applications would be realized by a light source that generates arbitrary quantum light with arbitrary temporal waveform. We call such a device a quantum arbitrary waveform generator (Q-AWG). The Q-AWG must be able to handle versatile quantum states of light, which are fragile. Thus, the Q-AWG requires a radically different methodology from classical pulse shaping. In this paper, we invent an architecture of Q-AWGs that can operate semi-deterministically at a repetition rate over GHz in principal. We demonstrate its core technology via generating highly non-classical states with waveforms that have never been realized before. This result would lead to powerful…
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Taxonomy
TopicsOptical Network Technologies · Neural Networks and Reservoir Computing · Semiconductor Quantum Structures and Devices
