Angular Tuning of Axial Resonance in Periodic Grating Structures Design Strategy for Operating Multi-Channel CW or Mode-Locked Pulsed VECSELs

Case ID:

This invention can be used to develop tunable wavelength VECSEL/VCSEL/OPSL sources. This can also be used to tune absorption bands in periodic absorbers or any periodic media. This allows for engineering of tunability of a source. Furthermore, the adaptability of this invention permits the utilization of multiple wavelength ranges without needing to swap out hardware components, offering a seamless and efficient user experience.

Current technologies lack the range of tuning that this invention provides the user. The key innovation here is a method to tune and engineer coherence/lasing/absorption wavelengths as a function of angle for vertically integrated periodic media. Or put another way, this is a way to tune tiny semiconductor “lasers” used in communications equipment to change frequencies (think of it going from red to green) using just a mirror with little prisms and such on it. This novel approach bypasses the limitations faced by traditional laser tuning methods, reducing both complexity and potential points of failure in the system.

In a world that's rapidly advancing towards the proliferation of optical technologies in various sectors, the importance of such a tuning method cannot be overstated. From faster internet connections to cutting-edge medical devices, the demand for versatile and adaptive optical systems is increasing. The inefficiencies and limitations of older systems become evident as they struggle to keep up with the newer demands. This invention addresses this technological gap, offering a groundbreaking method to push the boundaries of what's possible with optical technologies.


  • Telecommunications
  • Spectroscopy
  • Imaging and sensing technologies
  • Medical diagnostics
  • Research and development of new technologies


  • Greater range of tuning 
  • Cost effective
  • Increased versatility
Patent Information:
Contact For More Information:
Richard Weite
Senior Licensing Manager, College of Optical Sciences
The University of Arizona
Lead Inventor(s):
Jerome Moloney
Simon Tsaoussis