Takahide Sakamoto, Akito Chiba. Multiple-Frequency-Spaced and -Offset Flat Optical Comb Generation Using Multiple-Parallel Phase Modulator: Theory and Design. Journal of the Optical Society of America B. 2022. 39. 6. 1644-1654
Akito Chiba, Yosuke Akamatsu. (Feature Paper selected by Editors) Wavelength-Tunable Optical Two-Tone Signals Generated Using Single Mach-Zehnder Optical Modulator in Single Polarization-Mode Sagnac Interferometer. Photonics (MDPI). 2022. 9. 3. 194-1-194-12
Akito Chiba, Yusuke Sunaga. Complex amplitude estimation of monochromatic radio-frequency signal using frequency down conversion via direct detection of interfered optical phase-modulation signals. Optics Letters. 2021. 46. 11. 2646-2649
Takahide Sakamoto, Akito Chiba. Multiple-frequency-spaced flat optical comb generation using a multiple-parallel phase modulator. Optics Letters. 2017. 42. 21. 4462-4465
Akito Chiba. RF Parameter Estimation Assisted by Phase Modulation and Detection of Lightwave (INVITED). Proc. 13th Conf. Communications, Circuits, and Systems 2024 (ICCCAS2024). 2024
A. Chiba. RF Parameter Estimation Using Lightwave Modulation (INVITED). Proc. 12th Conf. Communications, Circuits, and Systems 2023 (ICCCAS2023). 2023
Akito Chiba, Yusuke Sunaga. RF signal estimation utilizing low-frequency beat signal due to harmonics of phase-modulation lightwave. Proc. 15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR2022). 2022. P-CTh6-05-1-P-CTh6-05-2
Akito. Chiba, Takahide Sakamoto. Double frequency-spacing optical comb generation based on I-Q optical modulation (INVITED). Proc. International Conference on Technology and Social Science 2019 (ICTSS 2019). 2019