Researchers have given an overview of the principal inscription techniques and physical properties of fs pulse written in-fiber gratings for fiber optics.
Optics
Understanding oxygen vacancies in SrTiO3
Researchers have obtained new insights into the atomistic and electronic structure of the oxygen vacancy in SrTiO3 through first-principles calculations.
New milestone set in laser design
Quantum design strategy pushes high-power vertical external-cavity surface-emitting lasers (VECSELs) beyond the 100 W milestone.
Single-Crystal, Organic Nanowire High-Performance Phototransistors
The photoelectronic characteristics of high-performance phototransistors based on single-crystalline n-hannel organic nanowires are studied.
More signal less noise: inproved nonlinear optical imaging
A superior signal to noise ratio for heterodyne detected nonlinear optical imaging can be attained by a newly developed tuned amplifier system in a lock-in free manner, as demonstrated through stimulated Raman scattering imaging of live cells and tissues.
Detection of Explosives: An All-in-Fiber Chemical Sensor for Peroxide Vapors
Scientists report a new method for remote tracing of vapors escaping from the liquid-peroxide explosives used in terror bombing incidents.
Highly Unidirectional Emission from Ultrahigh-Q Microcavities
A new type of on-chip microcavities has been realized, which features both highly unidirectional emission and ultra-high-Q factors in the near infrared.
Quantum optics wins researchers Nobel Prize in Physics for 2012
David Wineland and Serge Haroche win award from work on light-matter interaction.
Towards Quantum Dot Lasers with Temperature Independent Threshold
Carefully engineered CdSe/CdS colloidal quantum dots show an almost constant amplified spontaneous emission threshold over a temperature range from 5–325 K.
A model for chiral polymer synthesis
The synthesis of a chiral polymer can be performed in chiral liquid crystals. It could be a model to understand asymmetric polymer synthesis in biology.
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