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Nanoprocess Engineering Lab
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Through nanoscale processing, the lab creates optical devices unlike any before.
AboutAbout the lab
Giving light new functions through nanostructures.
The Nanoprocess Engineering Lab (De-Zoysa Lab) develops optical nanodevices that make full use of nanoprocess technologies for semiconductor and metal materials.
Technology that controls the structure of matter with nanometer precision underpins every industry, including manufacturing, medicine, and energy.
The lab explores physical phenomena specific to photonic nanostructures, aiming to create new functions that conventional optical devices could not achieve.
Key terms
- Photonic-crystal laser
- A semiconductor laser that uses a periodic structure on the scale of the wavelength of light (a photonic crystal) as its resonator, emitting bright light with little spreading.
- Non-Hermitian system
- A physical system in which the law of energy conservation does not hold. Counterintuitive, strange phenomena occur.
- LiDAR
- A technology that shines laser light and measures distance and shape from the time it takes to bounce back. It is used in autonomous driving and other applications.
ResearchResearch themes
The lab deepens design and fabrication technologies for photonic nanostructures, and uses them to develop high-brightness, highly functional lasers and new optical devices that exploit non-Hermiticity.
*Illustrative imageDesigning and Fabricating Photonic Nanostructures
Using multiple electromagnetic field simulation methods, the lab establishes new theoretical analysis approaches and is among the first in the world to propose photonic nanostructures with new functions. State-of-the-art equipment enables processing with nanometer precision.
*Illustrative imageBright, Highly Functional Semiconductor Lasers
The lab is advancing photonic-crystal lasers, which use large-area resonance in photonic nanostructures, toward higher output power and added functions such as shorter pulses, high-speed beam scanning, and high-speed modulation. It aims at applications in LiDAR, laser processing, and space optical communication.
*Illustrative imageNew Optical Devices from Non-Hermiticity
The lab exploits the properties of "non-Hermitian systems," in which light radiates up and down from a photonic nanostructure and energy is lost. It proposes and demonstrates optical devices that go beyond conventional limits, such as optical waveguides that radiate or reflect light depending on its direction.
MembersFaculty
The faculty of the Nanoprocess Engineering Lab are Professor Menaka De-Zoysa and Associate Professor Takuya Inoue.
- ProfessorDE-ZOYSA Menaka
- Associate ProfessorTakuya Inoue
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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: “Microscopy Lab Tour at the Colorado School of Mines” SparkFun Electronics from Boulder, USA / CC BY 2.0 (cropped)
- Designing and Fabricating Photonic Nanostructures: “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
- Bright, Highly Functional Semiconductor Lasers: “Ouster OS1-64 lidar point cloud of intersection of Folsom and Dore St, San Francisco” Daniel L. Lu / CC BY 4.0 (cropped)
- New Optical Devices from Non-Hermiticity: “ARROW waveguide example” Rpc91 / CC BY-SA 4.0 (cropped)
- Related lab (Optical Functional Device Engineering Lab): “Blue led 09 of 10” Renato.pierri / CC BY-SA 4.0 (cropped)
- Related lab (Device Process Engineering Lab): “Unmetallised Silicon Heterojunction solar cell precursor” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Related lab (Integrated Physics and Information Engineering Lab): “Photonic-crystal-fiber-from-NRL” 作者不詳 / Public domain (cropped)
- Related lab (Electronic Materials and Physical Properties Engineering Lab): “AFM-Raman-TERS” AAMonitor96 / CC BY-SA 3.0 (cropped)
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