NTT Basic Research Laboratories

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Large-scale artificial spin network realized using long-distance optical fiber cavity

-An important step toward photonic computation that solves intractable mathematical problems-

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A new scheme for manipulating the color of single photons

 -Lossless wavelength conversion of single photons in an optical fiber-

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Long-distance transport of electron spins for spin-based logic devices

- Enhancement of spin lifetime with application of an external electric field -

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Uncrackable quantum cryptography over 'doubled' distances

- Making it possible in the near future to link metropolises within an 800 km radius in an all-photonic way without quantum repeaters -

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Demonstration of quantum cryptography without error rate monitoring

 - New scheme based on the "wave function collapse" verified experimentally -

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Graphene p-n junction as an electronic beam splitter

 - Key component of electron quantum optics using graphene -

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Programmable linear optical circuit realized on a chip

— A multifunctional optical device for quantum information experiments using photons —

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Against a dogma, quantum repeaters for long-distance quantum communication are made all photonic.

- Rendering the quantum internet an ultimate challenge for the future photonic network -

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Improving the lifetime of an electron spin in diamond for quantum sensing technology

: Enhancing the sensitivity by an order of magnitude

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Inner-shell electron motion monitored by ultrafast strobe light source

~Characterizing inner-shell electron using isolated attosecond pulse~

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High-speed single-electron transfer toward high-accuracy current standards

- Transfer of electrons one by one via a charge trap in silicon transistors -

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Nano-profiling of frozen electrons in a semiconductor device

- Probing the microscopic structure of electron solids using magnetic resonance -

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Semiconductor quantum dots with single-atom precision

- Electron confinement to nanostructures of atomic building blocks with exact fidelity -

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First demonstration of "electrically controlled phonon propagation"

- Dynamic phononic crystal realized with MEMS technology -

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Over-100-bit Integrated Optical Memories Realized

- Big progress toward ICT with low power consumption -

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New approach to the realization of a long-lived quantum memory for quantum computation

: Observation of a hidden state in a superconductor diamond quantum hybrid system

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Nanowire and photonic crystal realize a novel optical nanocavity

- Novel method for integrating ultrasmall photonic devices on a silicon chip -

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An on-chip quantum buffer realized
- A key component for a photonic quantum computer on a chip -
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Three-dimensional manipulation of electron spin without use of magnetic field

"Mobile spin resonance" - promising new technique for quantum

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Electrocardiography is achieved simply by wearing a piece of clothing that has textile electrodes combined with conductive polymer

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