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3 papers
Generation of 10-dB squeezed light from a broadband waveguide optical parametric amplifier with improved phase locking method
Kazuki Hirota, Takahiro Kashiwazaki, Gyeongmin Ha +10
We report generation of 10.1\pm0.2-dB squeezed light from a broadband periodically poled lithium niobate (PPLN) waveguide optical parametric amplifier (OPA). Based on our previous…
Scalable Optical Quantum State Synthesizer with Dual-Mode Resonator Memory
Fumiya Hanamura, Kan Takase, Kazuki Hirota +12
Optical quantum computing is a promising approach for achieving large-scale quantum computation. While Gaussian operations have been successfully scaled, the inherently weak nonlin…
All-optical measurement-device-free feedforward enabling ultra-fast quantum information processing
Taichi Yamashima, Takahiro Kashiwazaki, Takumi Suzuki +8
Optical circuit systems, unlike other systems, have the potential to perform quantum information processing (QIP) at higher clock rate than conventional processing. The approach ut…