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Nayak Lab
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A lab that explores quantum interactions between light and matter using nanofibers.

AboutAbout the lab
Having fun together with atoms, photons, and nanostructures
The Nayak Lab studies quantum interactions between light and matter using optical fibers with a waist thinner than the wavelength of light (nanofibers).
The lab works on developing a quantum interface between photons guided in the fiber and single atoms trapped by laser cooling.
The lab aims to build a foundation for quantum photonics assembled entirely from optical fibers, so that it can be used as a component of quantum processors and in a form that connects easily to quantum networks.
Lab visits are accepted at any time, and inquiries can also be made in Japanese.
Key terms
- Nanofiber
- A tapered optical fiber with a waist thinner than the wavelength of light. Light is strongly confined in the transverse direction
- Quantum interface
- A point of contact where photons and atoms, for example, interact quantum mechanically. It is intended for use as a component of quantum processors and for connection to quantum networks
- Laser cooling
- A technique that uses laser light to cool atoms
NewsLab news
View More ↗ResearchResearch themes
The lab explores new atom–photon interactions using nanophotonic devices, aiming to achieve a high degree of control over single atoms and single photons and to build efficient optical quantum interfaces. Designing atom–photon, photon–photon, and atom–atom interactions is also one of its research challenges.
View More ↗MembersFaculty
The members of the Nayak Lab are faculty, and doctoral, master's, and undergraduate students.As of 2025
- Associate ProfessorKali Prasanna Nayak
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “How Atoms Are Defying Gravity in NASA's Cold Atom Lab (SVS31389)” NASA's Scientific Visualization Studio - Global Science and Technology, Inc./Amy Moran / Public domain (cropped)
- Development of Fiber-Based Quantum Interfaces: “T-DCF concept” Neil at PULSE Project / CC BY-SA 4.0 (cropped)
- Related lab (庄司 暁 研究室): “Laser” Tom Trower / Public domain (cropped)
- Related lab (美濃島 薫 研究室): “Femtosecond laser” Mina.ashrafzade / CC BY-SA 4.0 (cropped)
- Related lab (丹治 はるか 研究室): “Optical cavities” No machine-readable author provided. Fffred~commonswiki assumed (based on copyright claims). / Public domain (cropped)
- Related lab (古川 怜 研究室): “Fiber-optic sensor” Lena.lemon / CC BY-SA 4.0 (cropped)
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