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Organic Quantum Photonic Devices Lab
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A lab that explores the behavior of light and molecules to lead to next-generation organic photonic devices.
AboutAbout the lab
From the behavior of molecules and light to the next organic photonic devices
The Organic Quantum Photonic Devices Lab studies how electrons transition within materials and how materials interact with light.
Through fundamental research that aims to understand these mechanisms from the ground up, the lab pursues research that leads to next-generation organic optoelectronics.
The lab was launched in April 2025 and is run jointly by faculty members with different areas of expertise.
Key terms
- Exciton
- A state in which an electron and the hole it left behind form a pair in a material that has absorbed energy such as light
- Photon upconversion
- A phenomenon in which higher-energy light is obtained from lower-energy light
- Organic EL
- A device in which a thin film of organic material emits light when an electric current passes through it; used in displays and lighting
NewsLab news
View More ↗ResearchResearch themes
The lab conducts fundamental research to understand, from the ground up, how electrons transition within materials and how materials interact with light. Building on this understanding, it works on research that leads to next-generation organic optoelectronics, such as recovering ambient heat and developing new organic EL devices.
*Illustrative imageRecovering ambient heat with light
The lab develops energy harvesting technology that recovers thermal energy from the surroundings by making use of the processes by which electrons transition within molecules, in particular photon upconversion.
*Illustrative imageOrganic EL beyond displays
Using devices such as organic EL devices that emit near-infrared light, the lab pursues new possibilities for organic EL devices beyond displays, including their use as light sources for sensing.
*Illustrative imageBehavior of excitons in organic molecules
The lab explores the potential of organic semiconductor devices by clarifying the origin of charge-transfer (CT) interactions that extend over very long distances and by applying the special quantum states of CT excitons to sensing devices.
*Illustrative imageObserving how excitons spread
Using state-of-the-art optical measurement techniques, the lab takes on challenges such as directly observing how excitons spread within organic molecules (exciton diffusion).
MembersFaculty
The members of the Organic Quantum Photonic Devices Lab consist of faculty members, secretaries, special research students, research students, and undergraduate students.As of 2026
- ProfessorHajime Nakanotani
- Associate ProfessorAtsushi Taguchi
- Assistant ProfessorTomohiro Ishii
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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: “« Batteries et innovation » Laboratoire de Physique de la Matière Condensée Laboratoire de Physique des Interfaces et Couches Minces Thématique « Innovation et applications industrielles » ( )” Ecole polytechnique Université Paris-Saclay / CC BY-SA 2.0 (cropped)
- Recovering ambient heat with light: “Jablonski energy diagram” Sobarwiki / Public domain (cropped)
- Organic EL beyond displays: “AMOLED display microphoto 003 front ( )” Jan Helebrant / CC BY-SA 2.0 (cropped)
- Behavior of excitons in organic molecules: “Excitons as hydrogenoid energy level” MarcoM90 / CC BY-SA 4.0 (cropped)
- Observing how excitons spread: “Optoelectronics experiment” Adelphi Lab Center / CC BY 2.0 (cropped)
- Related lab (Electromagnetic Engineering Lab): “Manitoba Hydro-BipoleII Valve” Wtshymanski at English Wikipedia / Public domain (cropped)
- Related lab (Nanoelectronic Devices Lab): “CMOS magnetische Blasendomänen” Matesy GmbH / CC BY-SA 3.0 (cropped)
- Related lab (Media Creation Lab): “Photomosaic WLM2014 Winner” user:Fuzzypiggy / CC BY-SA 3.0 (cropped)
- Related lab (Algorithms Lab): “Sorting shellsort anim” Simpsons contributor / CC0 (cropped)
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