Potential roughness near lithographically fabricated atom chips
Physical Review A 76, (2007)
Potential roughness has been reported to severely impair experiments in magnetic microtraps. We show that these obstacles can be …
Tunable, narrow-band light source in the 1.25 μm region based on broad-area quantum dot lasers with feedback
Applied Physics B 89, 585–588 (2007)
The coherence of broad-area laser diodes with quantum dot gain medium is improved by frequency-selective feedback. A linewidth of 5–10 …
Two-Dimensional Front Dynamics and Spatial Solitons in a Nonlinear Optical System
Physical Review Letters 99, 153902 (2007)
Analysis of bistability conditions between lasing and nonlasing states for a vertical-cavity surface-emitting laser with frequency-selective optical feedback using an envelope approximation
Physical Review A 76, 023802 (2007)
Progressive field-state collapse and quantum non-demolition photon counting
Nature 448, 889–893 (2007)
The irreversible evolution of a microscopic system under measurement is a central feature of quantum theory. From an initial state …
Optical ferris wheel for ultracold atoms
Optics Express 15, 8619 (2007)
Novel Gain Medium Design for Short-Wavelength Vertical-External-Cavity Surface-Emitting Laser
IEEE Journal of Quantum Electronics 43, 445–450 (2007)
Localized traveling waves in vertical-cavity surface-emitting lasers with frequency-selective optical feedback
Physical Review E 75, 056208 (2007)
Ultrahigh finesse Fabry-Pérot superconducting resonator
Applied Physics Letters 90, (2007)
The authors have built a microwave Fabry-Perot resonator made of diamond-machined copper mirrors coated with superconducting niobium. …
Quantum jumps of light recording the birth and death of a photon in a cavity
Nature 446, 297–300 (2007)
A microscopic quantum system under continuous observation exhibits at random times sudden jumps between its states. The detection of …