Sub-100 attoseconds optics-to-microwave synchronization

Sub-100-as timing jitter optical pulse trains from mode-locked Er-fiber lasers

Sub-50 attosecond pulse generation from multicycle nonlinear chirped pulses

Sub-angstrom Resolution Microscopy and Spectroscopy

Sub-arcsecond dusty environment of Eta Carinae with MIDI/VLTI and NACO/VLT

Sub-diffraction Focussing using Quadratic Measure Eigenmodes

Sub-diffraction light propagation in fibers with anisotropic dielectric cores

Sub-diffraction thin-film sensing with planar terahertz metamaterials

Sub-diffraction-limit Observation Realized by Nonlinear Metamaterial Lens

Sub-Doppler resolution with double coherently driving fields

Sub-hertz frequency stabilization of a commercial diode laser

Sub-Hz line width diode lasers by stabilization to vibrationally and thermally compensated ULE Fabry-Perot cavities

Sub-kHz-level relative stabilization of an intracavity doubled continuous wave optical parametric oscillator using Pound-Drever-Hall scheme

Sub-micron diameter micropillar cavities with high Quality factors and ultra-small mode volumes

Sub-pixel image registration with a maximum likelihood estimator. Application to the first adaptive optics observations of Arp 220 in the L' band

Sub-Rayleigh resolution of interference pattern with independent laser beams

Sub-Stellar Companions to Young Solar-Type Stars

Sub-surface damage issues for effective fabrication of large optics

Sub-Volt Silicon-Organic Electrooptic Modulator

Sub-wavelength diffraction-free imaging with low-loss metal-dielectric multilayers