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Sanaka Lab
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The lab studies quantum optics and quantum information science using photons.
AboutAbout the lab
Quantum optics and quantum information science
Sanaka Lab studies quantum optics and quantum information science.
The lab conducts experiments to generate polarization-entangled states between photons, and theoretical research on quantum search algorithms in complex networks.
It also conducts experiments to record polarization information in volume holograms, develops a polarization microscope for measuring substances in the brain, and simulates optical devices.
Key terms
- Polarization-entangled state
- A state in which the polarization states of photons are linked to each other. Also called polarization entanglement.
- Quantum search algorithm
- A computational procedure that uses the properties of quantum mechanics to find a target within a network.
- Volume hologram
- A hologram that records optical information inside a crystal such as lithium niobate.
NewsLab news
View More ↗ResearchResearch themes
Centered on quantum optics and quantum information science, the lab pursues both experiments using photon polarization and theoretical research such as quantum search algorithms. It also works on research that manipulates polarization for recording and measurement, and on numerical analysis of optical devices.
*Illustrative imageExperiments on generating entangled photons
Using techniques from linear and nonlinear optics, the lab conducts experiments to generate polarization-entangled states between photons.
*Illustrative imageTheory of quantum search algorithms
The lab studies new quantum search algorithms in complex networks, among other topics, from the theoretical side.
*Illustrative imageRecording polarization information in volume holograms
The lab conducts experiments that record arbitrary polarization states in volume holograms, such as those in lithium niobate crystals, to improve the performance of holographic memory.
*Illustrative imageDeveloping a new polarization microscope
The lab is developing a new reflective microscope that uses polarization elements to manipulate the polarization state of light and can measure birefringent substances in the brain that ordinary microscopes cannot.
MembersFaculty
The members of Sanaka Lab are faculty members, master's students, and undergraduate students doing graduation research.
- ProfessorKaoru Sanaka
- Assistant ProfessorTomo Osada
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: “Laser 01” Vislupus / CC BY-SA 4.0 (cropped)
- Experiments on generating entangled photons: “ALE4077” Alessiocoser / CC BY 4.0 (cropped)
- Theory of quantum search algorithms: “Atomic nucleus simulated on a quantum computer” OLCF / CC BY 2.0 (cropped)
- Recording polarization information in volume holograms: “Visa Dove Hologram Rainbow” Dominic Alves / CC BY 2.0 (cropped)
- Developing a new polarization microscope: “Salts seen with polarized light microscope” Juan Carlos Fonseca Mata / CC BY 4.0 (cropped)
- Related lab (二国研究室): “Bose-Einstein Condensate (BEC) ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (吉原研究室): “Floor Standing Cryostat with DR Insert” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (永田研究室): “CERN Antimatter factory - Alpha experiment” Suaudeau / CC BY-SA 4.0 (cropped)
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