Heat-assisted magnetic recording is a promising approach for enabling large increases in
the storage density of hard disk drives. A laser is used to momentarily heat the recording …

Plasmonic devices, made of apertures or antennas, have played significant roles in
advancing the fields of optics and opto-electronics by offering subwavelength manipulation …

We demonstrate that bowtie apertures can be used for contact lithography to achieve
nanometer scale resolution. The bowtie apertures with a 30 nm gap size are fabricated in …

In order to provide a guide for the design and optimization of bowtie slot antennas in the
visible and near infrared spectral regime, their optical properties have been investigated …

Focusing electromagnetic energy to subwavelength dimensions has become an
increasingly active field of research for a variety of applications such as heat-assisted …

Finite difference time domain computations is used to study surface plasmon (SP) excitation
around C-and H-shaped ridge nanoapertures made in silver film. The SP enhances optical …

Recently a novel media structure for thermally assisted magnetic recording was proposed
consisting of a layer of FePt exchange coupled to a FeRh layer. The FePt forms a high …

Nearfield scanning optical microscopy (NSOM) offers a practical means of optical imaging,
optical sensing, and nanolithography at a resolution below the diffraction limit of the light …

The finite-difference time-domain (FDTD) method is employed to numerically study the
transmission characteristics of an H-shaped nano-aperture in a metal film in the optical …

We demonstrate the terahertz-wave near-field imaging with subwavelength resolution using
a bow-tie shaped aperture surrounded by concentric periodic structures in a metal film. A …