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- Tyndall National InstituteIE88 papers
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6 papers · 2 filters
Higher order microfibre modes for dielectric particle trapping and propulsion
Aili Maimaiti, Viet Giang Truong, Marios Sergides +2
Optical manipulation in the vicinity of optical micro- and nanofibres has shown potential across several fields in recent years, including microparticle control, and cold atom prob…
Dispersion-induced dynamics of coupled modes in a semiconductor laser with saturable absorption
Finbarr O'Callaghan, Simon Osborne, Stephen O'Brien
We present an experimental and theoretical study of modal nonlinear dynamics in a specially designed dual-mode semiconductor Fabry-Perot laser with a saturable absorber. At zero bi…
Design optimization of passively mode-locked semiconductor lasers with intracavity grating spectral filters
Finbarr O'Callaghan, David Bitauld, Stephen O'Brien
We consider design optimization of passively mode-locked two-section semiconductor lasers that incorporate intracavity grating spectral filters. Our goal is to develop a method for…
Unveiling spatial correlations in biophotonic architecture of transparent insect wings
Pramod Kumar, Danish Shamoon, Dhirendra P. Singh +2
We probe the natural complex structures in the transparent insect wings by a simple, non-invasive, real time optical technique using both monochromatic and broadband femtosecond la…
Optical Micro- and Nanofiber Pulling Rig
J. M. Ward, A. Maimaiti, Vu H. Le +1
We review the method of producing adiabatic optical micro- and nanofibers using a hydrogen/oxygen flame brushing technique. The flame is scanned along the fiber, which is being sim…
Optical nanofiber integrated into an optical tweezers for particle manipulation and in-situ fiber probing
Ivan Gusachenko, Mary C. Frawley, Viet Giang Truong +1
Precise control of particle positioning is desirable in many optical propulsion and sorting applications. Here, we develop an integrated platform for particle manipulation consisti…