Design, fabrication, and characterization of nanometer-scale ridged aperture optical antennae

Xianfan Xu; Eric X. Jin; Liang Wang; Sreemanth Uppuluri

doi:10.1117/12.660722

1 March 2006 Design, fabrication, and characterization of nanometer-scale ridged aperture optical antennae

Xianfan Xu, Eric X. Jin, Liang Wang, Sreemanth Uppuluri

Proceedings Volume 6106, Photon Processing in Microelectronics and Photonics V; 61061J (2006) https://doi.org/10.1117/12.660722
Event: Lasers and Applications in Science and Engineering, 2006, San Jose, California, United States

Abstract

We investigate light concentration and field enhancement in nanometer-scale ridged aperture antennae. Resent numerical simulations have shown that nanoscale ridged apertures can concentrate light into nanometer domain. Most importantly, these ridge apertures also provide an optical transmission enhancement several orders of magnitude higher compared to regularly shaped nanoscale apertures. We employ the finite-difference time-domain (FDTD) method to design these apertures and fabricate them in thin metal films. A home-built near field scanning optical microscope (NSOM) is used to map the near-field intensity distribution of the light transmitted through these apertures. It is shown that the ridged apertures can produce a concentrated light spot far beyond the diffraction limit, with transmission enhancement orders of magnitude higher than regularly shaped apertures. Nanolithography applications of these nanoscale ridged aperture antennae are demonstrated.

Citation Download Citation

Xianfan Xu, Eric X. Jin, Liang Wang, and Sreemanth Uppuluri "Design, fabrication, and characterization of nanometer-scale ridged aperture optical antennae", Proc. SPIE 6106, Photon Processing in Microelectronics and Photonics V, 61061J (1 March 2006); https://doi.org/10.1117/12.660722

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available