Development of novel nonlinear optical phenomena by implementing arbitrary optical phase manipulation

2022 Fiscal Year Final Research Report

• Project/Area Number: 20H01837
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Basic Section 13020:Semiconductors, optical properties of condensed matter and atomic physics-related
• Research Institution: The University of Electro-Communications
• Principal Investigator: Ohae Chiaki 電気通信大学, 量子科学研究センター, 助教 (80787664)
• Project Period (FY): 2020-04-01 – 2023-03-31
• Keywords: 非線形光学過程 / 真空紫外レーザー

Outline of Final Research Achievements

Nonlinear optical processes are known to be sensitive to the relative phase of the light involved in these processes. By artificially controlling this phase relationship in the medium, it is possible to manipulate the direction and speed of the progress of the nonlinear optical process itself. This study aims to explore new possibilities of nonlinear optical processes by implementing such manipulations to these processes. In this study, we applied this technique to a higher-order Raman resonance four-wave mixing process with para-hydrogen, and attempted to manipulate this nonlinear optical process into various forms. As a result, we have shown that it is possible to manipulate the nonlinear optical process in characteristic forms, such as on-demand generation of radiation with a specific frequency, or generating a flat optical spectrum.

Free Research Field

原子・分子・光科学

Academic Significance and Societal Importance of the Research Achievements

本研究で得られた成果を基にして、これを真空紫外域にスケーリングすることで、未踏のレーザー技術である“真空紫外100-200 nm全域で波長可変な単一周波数レーザー”を実現できると期待される。真空紫外域において、このようなレーザー技術が確立されれば、これまでレーザー光源による制約から困難であった様々な応用研究が可能になると予想される。