C. Zhang, K. Takahata, T. Hiraki, T. Aihara, S. Matsuo, and T. Kakitsuka, "Design of low-chirp directly modulated corrugation-pitch-modulated distributed-reflector lasers with wire-like active regions," Optics Express 34(8), pp. 15124-15139, 2026.4. https://dx.doi.org/10.1364/OE.590003
C. Zhang, K. Takahata, T. Hiraki, T. Aihara, S. Matsuo, T. Kakitsuka, "Theoretical Analysis of the Impact of Carrier Effects on the Modulation Bandwidth of Complex-Coupled Grating Membrane DFB Lasers," The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference 2026, C-3_C-4-36, 2026.3.
C. Zhang, K. Takahata, T. Hiraki, T. Aihara, S. Matsuo, and T. Kakitsuka, "Design of Bandwidth-Enhanced Facet Reflection Tolerant Directly Modulated Membrane Distributed Feedback Lasers with Wire-Like Active Region," 2025 IEEE Photonics Conference (IPC 2025), paper WB4.3, Singapore, 2025.11. https://dx.doi.org/10.1109/ipc65510.2025.11282246
C. Zhang, K. Takahata, T. Hiraki, T. Aihara, S. Matsuo, and T. Kakitsuka, "Enhancing Single-Mode Stability and Dynamic Characteristics in Complex-Coupled Grating Wire-Like Active-Region Membrane Distributed Reflector Lasers," IEEE J. Quantum Electron. 61(3), 2100111, 2025.6. http://dx.doi.org/10.1109/jqe.2025.3567583
C. Zhang, K. Takahata, T. Hiraki, S. Matsuo, and T. Kakitsuka, "Mode Stabilizing Mechanism in Anti-phase Wire-like Active-region Membrane Distributed Reflector Lasers," The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024), P3-040, Incheon, Korea, 2024.8. http://dx.doi.org/10.1109/CLEO-PR60912.2024.10676950
L. Wang, D. Huang, X. Wu, W. Li, K. Takahata, K. Kato, and T. Kakitsuka, "Analysis of High Radiofrequency Power InGaN Vacuum Traveling-Carrier Photodiodes," The 29th Opto-Electronics and Communications Conference (OECC 2024), MoC2-1, Melbourne, Australia, 2024.6. http://dx.doi.org/10.1109/OECC54135.2024.10975661
D. Huang, L. Wang, X. Wu, W. Li, K. Takahata, K. Kato, T. Kakitsuka, "Theoretical Analysis of InGaN Vacuum Traveling Carrier Photodiodes for Terahertz Wave Generation," The 71th Japan Society of Applied Physics (JSAP) Spring Meeting 2024, 24a-P07-5, 2024.3.
T. Kakitsuka and K. Takahata, "Theoretical analysis of dispersion-tolerant single drive mixed amplitude-frequency modulation lasers," 28th International Semiconductor Laser Conference (ISLC 2022), TuP-35, Matsue, Japan, 2022.10. http://dx.doi.org/10.23919/islc52947.2022.9943459
Full Publication List
A comprehensive list of research achievements can be found below.