Daniel Herrera

Research Interests

• Optical-Injection-Locking Laser Systems
  
• Quantum Photonic Emitters
• Non-Hermitian Photonics
• Thermophotovoltaics
• 2-Dimensional Electronic Materials & Devices

Research Topics

• Tunable Photonic Oscillators
  
• Nonlinear Dynamics of Optically-Injected Lasers
  
• Flexible Organic Electrodes for Resistive Random Access Memory (ReRAM)
  

Teaching Interests

• Electronic Devices & Circuits
  
• Electromagnetic Fields & Waves
  
• Photonic & Optoelectronic Devices
  
• Device Fabrication & Material Characterization Techniques
  

Recognitions

• Bradley Postdoctoral Fellowship
  

Publications

Refereed Journal Publications

• Herrera, D. J., Tomkins, K., Valagiannopoulos, C., Kovanis, V., & Lester, L. F. (2021). Strongly detuned tunable photonic oscillators. IEEE Photonics Technology Letters. doi:10.1109/LPT.2021.3123458
  
• Herrera, D. J., Kovanis, V., & Lester, L. F. (2021). Using transitional points in the optical injection lock­ing behavior of a semiconductor laser to extract its dimensionless operating parameters. IEEE Journal of Selected Topics in Quantum Electronics. doi:10.1109/JSTQE.2021.3075645
  
• Herrera, D. J., Clavel, M. B., Hudait, M. K., & Lester, L. F. (2020). Device Characterization of a Sulfur­ Implanted p++/p GaSb Photovoltaic Camel Diode. IEEE Journal of Photovoltaics, 10(6), 1675­1680. doi:10.1109/JPHOTOV.2020.3016615
  
• Herrera, D. J., & Lester, L. F. (2019). Electrical and material characterization of sulfur-­implanted GaSb. Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, 37(3), 031214. doi:10.1116/1.5093329
  

Conferences

• Herrera, D. J., Tomkins, K., Valagiannopoulos, C., Kovanis, V. & Lester, L. F. (2021, October). Modeling and demonstration of 5­200 GHz photonic oscillations via optically-­injected diode lasers. In 2021 IEEE Photonics Conference (IPC). IEEE.
  
• Herrera, D. J., Kovanis, V., & Lester, L. F. (2020, September). Extracting the Dimensionless Operating Parameters of an Optically-­Injected Semiconductor Laser. In Frontiers in Optics (pp. FTh2E­1). Optical Society of America.
• Conlon, B. P., Herrera, D. J., Abdallah, S. A., Okafor, J. O., & Lester, L. F. (2017, June). Performance of GaSb Photovoltaics with Graphene Coating. In 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC) (pp. 219­221). IEEE.
  
• Herrera, D. J., Rahimi, N., Conlon, B., Barbieri, P., Barker, C., Erb, D., ... & Lester, L. F. (2015, October). Impact of the front metal layout on the fill factor of GaSb­based photovoltaics grown on n­type substrate. In 2015 IEEE Photonics Conference (IPC) (pp. 525­526). IEEE.
  
• Abdallah, S. A., Herrera, D. J., Conlon, B. P., Rahimi, N., & Lester, L. F. (2015, September). Emitter thickness optimization for GaSb thermophotovoltaic cells grown by molecular beam epitaxy. In Next Generation Technologies for Solar Energy Conversion VI (Vol. 9562, p. 95620L). International Society for Optics and Photonics.
• Rahimi, N., Herrera, D. J., Abdallah, S., Stelmakh, V., Chan, W. R., Celanovic, I., & Lester, L. F. (2015, June). Epitaxial and non­epitaxial large area GaSb­based thermophotovoltaic (TPV) cells. In 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) (pp. 1­3). IEEE.
• Rahimi, N., Herrera, D. J., Aragon, A., Shima, D. M., Romero, O. S., Rotter, T. J., ... & Lester, L. F. (2015, March). GaSb thermophotovoltaics: current challenges and solutions. In Physics, Simulation, and Photonic Engineering of Photovoltaic Devices IV (Vol. 9358, p. 935816). International Society for Optics and Photonics.