All-optical switching of dark states in nonlinear coupled microring resonators

All-optical switching with bacteriorhodopsin

All-Optical Switching with Transverse Optical Patterns

All-optical switching, bistability, and slow-light transmission in photonic crystal waveguide-resonator structures

All-optical transistor action by off-resonant activation at laser threshold

All-optically transformable broad-band transparency and amplification in negative-index films

All-reflecting afocal telescopes

All-reflective coupling of two optical cavities with 3-port diffraction gratings

All-SiC telescope technology: recent progress and achievements

All-silicon sub-Gb/s telecom detector with low dark current and high quantum efficiency on chip

All-sky 10 μm cloud monitor on Mauna Kea

All-sky camera with a concave mirror

All-Sky Doppler Interferometer (ASDI): Determinations of thermospheric wind and temperature fields over large regions of the upper atmosphere

All-spherical catadioptric telescope design for wide-field imaging

All-spherical catadioptric telescope with small corrector lenses

All-spherical four-mirror telescopes corrected for three Seidel aberrations

Alma and E-merlin Data Transmission Systems: Lessons for Ska

ALMA Band 1 (31- 45 GHz) Receiver Development at HIA

ALMA front-end optics

ALMA telescope reaches new heights