2020 Fiscal Year Final Research Report
Development of low-frequency terahertz quantum cascade lasers for high-speed wireless communications applications
| Project/Area Number |
19K15052
|
|---|
| Research Category |
Grant-in-Aid for Early-Career Scientists
|
| Allocation Type | Multi-year Fund |
|---|
| Review Section |
Basic Section 21060:Electron device and electronic equipment-related
|
|---|
| Research Institution | Institute of Physical and Chemical Research |
|---|
Principal Investigator |
WANG LI 国立研究開発法人理化学研究所, 光量子工学研究センター, 研究員 (50804035)
|
|---|
| Project Period (FY) |
2019-04-01 – 2021-03-31
|
| Keywords | THz-QCL |
|---|
| Outline of Final Research Achievements |
1.Full theory quantum transport based on non-equilibrium Green’s function is packaged as a simulation platform, to predict the quantum transport in terahertz quantum cascade laser. 2.Improved technique in GaAs/Al0.2Ga0.8As quantum well with 1200 stacked layers is shown .By employing an latest Cu-Cu metals waveguide processing, the lasing of 1.8THz at 185K is achieved.
|
| Free Research Field |
quantum semiconductor
|
| Academic Significance and Societal Importance of the Research Achievements |
Terahertz wave has many new applications in chemical and medical. This study is to develop a terahertz wave source based on quantum cascade laser using GaAs semiconductor quantum wells.
|
