Results 81 to 90 of about 263,956 (158)
Two-photon absorption in silicon using real density matrix approach
Two-photon absorption in indirect gap semiconductors is an frequently encountered, but not well-understood phenomenon. To address this, the Real Density Matrix Approach is applied to describe two-photon absorption in silicon through the excitonic ...
David Knez (14384325) +9 more
core +1 more source
Two-photon absorption and the design of two-photon dyes.
, 2009 Two-photon absorption has important advantages over conventional one-photon absorption, which has led to applications in microscopy, microfabrication, three-dimensional data storage, optical power limiting, up-converted lasing, photodynamic therapy, and ...
Collins, HA +8 more
core +1 more source
Nonlinear properties of silicon core optical fibres
, 2013 Silica optical fibres are renowned for the framework they have set in modern communications systems, sensors, and biotechnology. One particular trend in current research aims to investigate materials with enhanced optical functionality, high optical ...
Mehta, Priyanth
core
A Single-Shot Technique for Measuring Broadband Two-Photon Absorption Spectra in Solution
Applications involving two-photon activation, including two-photon fluorescence imaging, photodynamic therapy, and 3D data storage, require precise knowledge of the two-photon absorption (2PA) spectra of target chromophores.
Prasenjit, Srivastava +1 more
core +1 more source
One- and two-photon pumped organic semiconductor lasers
, 2010 This thesis describes a number of studies on organic semiconductors focused around using them as gain media for lasers. The photophysical properties of organic semiconductors are studied using a wide range of experimental techniques, allowing the ...
Tsiminis, Georgios
core +1 more source
Spectral profiles of two-photon absorption: Coherent versus two-step two-photon absorption
, 2004 We present a theory of two-photon absorption in solutions which addresses the formation of spectral shapes taking account of the vibrational degrees of freedom.
F. Gel'mukhanov +5 more
core +1 more source
, 2004 We report on a two-photon absorption-induced photoenhancement effect on a densely packed CdSe/ZnSe/ZnS core-shell semiconductor nanocrystal solid film. The enhancement is found to be irreversible without a noticeable blueshift in emission spectra, hence ...
Min Gu (305818) +4 more
core +1 more source
High-speed chromatic dispersion monitoring of a two-channel WDM system using a single TPA microcavity [PDF]
, 2008 Chromatic dispersion monitoring of two 160 Gb/s wavelength channels using a TPA Microcavity is presented. As the microcavity exhibits a wavelength resonance characteristic, a single device could monitor a number of different WDM-channels ...
Guo, Wei Hua +8 more
core
Inhibition and enhancement of two photon absorption
, 1996 The possibility of transparency against two photon absorption is predicted. Detailed absorption profiles under different conditions of the control laser are given.
Harshawardhan, W., Agarwal, G. S.
core +1 more source
Beilstein Journal of NanotechnologyDye-based fluorescent organic nanoparticles (dFONs) represent a promising class of bioimaging probes combining high brightness with molecular tunability.
Eleonore Kurek +6 more
doaj +1 more source