Ultra-high field enhancing in Split Ring Resonators by azimuthally polarized excitation

Ultra-high Q whispering-gallery-mode bottle microresonators: properties and applications

Ultra-high-Q nanobeam cavity design in Diamond

Ultra-high-Q TE/TM dual-polarized photonic crystal nanocavities

Ultra-high-Q tunable whispering-gallery-mode microresonator

Ultra-high-Q wedge-resonator on a silicon chip

Ultra-high-sensitivity wavefront sensing for extreme-AO

Ultra-large bandwidth hollow-core guiding in all-silica Bragg fibers with nano-supports

Ultra-lightweight Telescope Technology

Ultra-low loss hollow-core photonic crystal fibers at 589 nm for LGS-assisted AO

Ultra-low loss single-mode silica tapers manufactured by a microheater

Ultra-Low Noise Microwave Extraction from Fiber-Based Optical Frequency Comb

Ultra-low threshold CW Triply Resonant OPO in the near infrared using Periodically Poled Lithium Niobate

Ultra-low voltage resonant tunnelling diode electroabsorption modulator

Ultra-luminescent a-SiOx<Er> resonant structures

Ultra-Narrow Faraday Rotation Filter at the Rb D1 Line

Ultra-precise measurement of optical frequency ratios

Ultra-precisely manufactured mirror assemblies with well-defined reference structures

Ultra-refraction phenomena in Bragg mirrors

Ultra-sensitive detection of mode splitting in active optical microcavities