Quantum Optics Laboratory

Head of the laboratory – Assoc.Prof. Jānis Alnis

Main directions of scientific work:

• development of methods for fabrication, doping, surface functionalization and quality factor measurement of whispering gallery mode microsphere resonators,
• whispering gallery mode resonator applications : sensors, biosensors, laser sources, optical frequency combs, etc.,
• dispersion calculation, and modelling of optical microresonators, waveguides, and of Kerr frequency combs,
• photonics integrated circuit design and testing of finished devices,
• atomic and molecular (Rb, C₂H₂) laser spectroscopy for reference measurements of optical radiation,
• using z-scan technique to measure nonlinear refractive index of materials.

Whispering Gallery Modes - presentation at Researchers' Night 2021 (in Latvian)

Projects:

• Development of optoplasmonic doped whispering gallery mode resonator

• Development of Optical Frequency Comb Generator Based on Whispering Mod Micro-Resonator and Its Applications in Telecommunications => completed
• Development of New Whispering Gallery Module Micro-Resonators for Optical Frequency Standards and Biosensor Applications and Characterization by Femtosecond Optical Frequency Comb => completed
• "Optically Whispering Gallery Module Microresonator Sensors" => completed