Adiabatic and nonadiabatic nanofocusing of plasmons by tapered gap plasmon waveguides Export

@article{citeulike:3497413, abstract = {Adiabatic and nonadiabatic nanofocusing of plasmons in tapered gap plasmon waveguides is analyzed using the finite-difference time-domain algorithm. Optimal adaptors between two different subwavelength waveguides and conditions for maximal local field enhancement are determined, investigated, and explained on the basis of dissipative and reflective losses in the taper. Nanofocusing of plasmons into a gap of \~{}1 nm width with more than 20 times increase in the plasmon energy density is demonstrated in a silver-vacuum taper of \~{}1 mum long. Comparison with the approximate theory based on the geometrical optics approximation is conducted.}, author = {Pile, D. F. P. and Gramotnev, D. K.}, citeulike-article-id = {3497413}, citeulike-linkout-0 = {http://dx.doi.org/10.1063/1.2236219}, citeulike-linkout-1 = {http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2006ApPhL..89d1111P}, doi = {10.1063/1.2236219}, journal = {Applied Physics Letters}, keywords = {taper}, month = {July}, number = {4}, pages = {041111+}, posted-at = {2008-11-09 04:44:00}, priority = {2}, title = {Adiabatic and nonadiabatic nanofocusing of plasmons by tapered gap plasmon waveguides}, url = {http://dx.doi.org/10.1063/1.2236219}, volume = {89}, year = {2006} }

TY - JOUR ID - citeulike:3497413 L3 - citeulike-article-id:3497413 N2 - Adiabatic and nonadiabatic nanofocusing of plasmons in tapered gap plasmon waveguides is analyzed using the finite-difference time-domain algorithm. Optimal adaptors between two different subwavelength waveguides and conditions for maximal local field enhancement are determined, investigated, and explained on the basis of dissipative and reflective losses in the taper. Nanofocusing of plasmons into a gap of ~1 nm width with more than 20 times increase in the plasmon energy density is demonstrated in a silver-vacuum taper of ~1 mum long. Comparison with the approximate theory based on the geometrical optics approximation is conducted. IS - 4 JF - Applied Physics Letters TI - Adiabatic and nonadiabatic nanofocusing of plasmons by tapered gap plasmon waveguides VL - 89 SP - 041111 KW - taper AU - Pile, DFP AU - Gramotnev, DK PY - 2006/July// UR - http://dx.doi.org/10.1063/1.2236219 ER -