Biologically produced or inspired materials can serve as optical gain media, ie they can
exhibit the phenomenon of light amplification. Some of these materials, under suitable dye …

Nucleic acids are widely recognized as the most evolved information processing soft
material, possessing intrinsic efficiency in transferring and harvesting photon, electron, and …

The high-power lasers have important implications for present and future light-based
technologies; therefore, the protection measures against their high-intensity radiation are …

Recent results obtained in our experimental investigation on the influence of the illumination
with continuous wave (cw) laser light at 532 nm on the transmittance at this wavelength and …

A class of fluorescent Au@ SiO 2 and SiO 2@ Au core–shell fluorescent nanoparticles has
been synthesized using microemulsion assisted sol–gel method coupled with …

Due to the increased application of lasers in different fields (industry, medicine, etc.), there is
a growing need for new laser sources with good beam quality and variable emission …

The deoxyribonucleic acid (DNA) is a new “green” photonic material with promising
applications in organic photonics. In this paper we report the results obtained in an …

To be useful in optoelectronic devices and sensors, a platform comprising stable
fluorescence materials is essential. Here we constructed quantum dots (QDs) embedded …

Although the preparation of DNA thin films with well-defined thicknesses controlled by
simple physical parameters is crucial for constructing efficient, stable, and reliable DNA …

An interferometric pump-probe method for the investigation of the spatial phase modulation
induced by light in nonlinear optical samples is presented. The optical phase of a probe …