1. 雷射物理與技術
2. 近代光學與量子物理
3. 半導體光電元件
4. 生醫光電工程

以廣義固態雷射(包含晶體、光纖、半導體)之設計製造為核心實驗技術，輔以高速攝影…等各式光電量測與計算模擬技術，透過物理觀點與理論方法，研究物理現象並解決光電工程問題、發展創新儀器設備。除了既有之雷射物理與工程、醫療應用實績，近期亦發展：結構化雷射誘發流體與電漿之光電與力學作用及其應用(包含微流體致動、水下聲學、雷射驅動光源增強、真浮空彩色光點(影像))，智慧健康照護之光學檢測方法與感測器技術，光固化積層製造與微光學元件。

1. Ross C. C. Chen, Y. T. Yu, K. W. Su, J. F. Chen, and Y. F. Chen,* “Exploration of water jet generated by Q-switched laser induced water breakdown with different depths beneath a flat free surface,” Opt. Express 21, 1, 445-453, 2013.
2. Y. F. Chen,* W. Z. Zhuang, H. C. Liang, G. W. Huang, and K. W. Su, “High-power subpicosecond harmonically mode-locked Yb:YAG laser with pulse repetition rate up to 240 GHz,” Laser Phys. Lett. 10, 1, 1-4, 2012.
3. J. Y. Huang, W. Z. Zhuang, W. C. Huang, K. W. Su, K. F. Huang, and Y. F. Chen,* “Hybrid Q-switched Yb-doped fiber laser,” Opt. Express 19, 9364-9370, 2011.
4. Y. T. Chang, K. W. Su,* H. L. Chang, and Y. F. Chen,* “Compact efficient Q-switched eye-safe laser at 1525 nm with a double-end diffusion-bonded Nd:YVO4 crystal as a self-Raman medium,” Opt. Express 17, 6, 4330-4335, 2009.
5. C. C. Chen, Y. T. Yu, Ross C. C. Chen, Y. J. Huang, K. W. Su, Y. F. Chen,* and K. F. Huang, “Transient Dynamics of Coherent Waves Released from Quantum Billiards and Analogous Observation from Free-Space Propagation of Laser Modes,” Phys. Rev. Lett. 102, 4, 044101, 2009.
6. Y. T. Chang, Y. P. Huang, K. W. Su,* Y. F. Chen, “Comparison of thermal lensing effects between single-end and double-end diffusion-bonded Nd:YVO4 crystals for 4F3/2→4I11/2 and 4F3/2→4I13/2 transitions,” Opt. Express 16, 25, 21155–21160, 2008.
7. J.Y. Huang, S.C. Huang, H.L. Chang, K.W. Su, Y.F. Chen,* and K.F. Huang, ” Passive Q switching of Er-Yb fiber laser with semiconductor saturable absorber,” Opt. Express 16, 3002-3007, 2008.
8. K.W. Su, S.C. Huang, A. Li, S.C. Liu, Y.F. Chen, and K.F. Huang, “High-peak-power AlGaInAs quantum wells 1.3-μm laser pumped by a diode-pumped actively Q-switched solid-state laser,” Opt. Lett. 31, 13, 2009-2011, 2006.
9. Y.F. Chen,* K.W. Su, T.H. Lu, K.F. Huang, “Manifestation of weak localization and long-range correlation in disordered wave functions from conical second harmonic generation,” Phys. Rev. Lett. 96, 3, 033905, 2006.
10. K.W. Su, H.C. Lai, A. Li, Y.F. Chen,* K.F. Huang, “InAs/GaAs quantum-dot saturable absorbers for a diode-pumped passively mode-locked Nd:YVO4 laser at 1342 nm,” Opt. Lett. 30, 12, 1482-1484, 2005.