All-optical phase-sensitive detection for ultra-fast quantum computation
Naoto Takanashi,
Asuka Inoue,
Takahiro Kashiwazaki
et al.
Abstract:Phase-sensitive detection is the essential projective measurement for measurement-based continuous-variable quantum information processing. The bandwidth of conventional electrical phase-sensitive detectors is up to several gigahertz, which would limit the speed of quantum computation. It is theoretically proposed to realize terahertz-order detection bandwidth by using all-optical phase-sensitive detection with an optical parametric amplifier (OPA). However, there have been experimental obstacles to achieve la… Show more
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