Photonic crystals with broadband, wide-angle, and polarization-insensitive transparency
Photonic crystals (PhCs) are well-known band gap materials that can block the propagation
of electromagnetic waves within certain frequency regimes. Here, we demonstrate that PhCs …
of electromagnetic waves within certain frequency regimes. Here, we demonstrate that PhCs …
Asymmetric Mach-Zehnder filter based on self-collimation phenomenon in two-dimensional photonic crystals
A two-dimensional photonic crystal asymmetric Mach-Zehnder filter (AMZF) based on the
self-collimation effect is studied by numerical simulations and experimental measurements …
self-collimation effect is studied by numerical simulations and experimental measurements …
Modeling photonic crystal interfaces and stacks: impedance-based approaches
In many research areas, the reflective properties of a bulk medium are characterized by its
impedance or an impedance-like quantity. Such a quantity is essential for the efficient …
impedance or an impedance-like quantity. Such a quantity is essential for the efficient …
High transmission efficiency of arbitrary waveguide bends formed by graded index photonic crystals
HW Wang, LW Chen - JOSA B, 2011 - opg.optica.org
We propose antireflection coatings at the entrance and exit of arbitrary waveguide bends
with graded index photonic crystals. The implementation of the proposed system is validated …
with graded index photonic crystals. The implementation of the proposed system is validated …
Ring-type Fabry-Perot filter based on the self-collimation effect in a 2D photonic crystal
We propose a ring-type Fabry-Pérot filter (RFPF) based on the self-collimation effect in
photonic crystals. The transmission characteristics of self-collimated beams are …
photonic crystals. The transmission characteristics of self-collimated beams are …
High-efficiency polarization beam splitter based on a self-collimating photonic crystal
We present what we believe to be a novel high-efficiency photonic crystal polarization beam
splitter that consists of a polarizing photonic crystal slab embedded in a two-dimensional self …
splitter that consists of a polarizing photonic crystal slab embedded in a two-dimensional self …
Self-collimating photonic crystal antireflection structure for both TE and TM polarizations
We present a high-efficiency antireflection structure for both TE and TM polarizations in two-
dimensional self-collimating square lattice photonic crystal consisting of air holes in silicon …
dimensional self-collimating square lattice photonic crystal consisting of air holes in silicon …
Applications of antireflection coatings in sonic crystal-based acoustic devices
Y Wang, K Deng, S Xu, C Qiu, H Yang, Z Liu - Physics Letters A, 2011 - Elsevier
The unwanted reflection seriously baffles the practical applications of sonic crystals, such as
for various acoustic lenses designed by utilizing the in-band properties of sonic crystals …
for various acoustic lenses designed by utilizing the in-band properties of sonic crystals …
Antireflection structure for an effective refractive index near-zero medium in a two-dimensional photonic crystal
Two-dimensional dielectric photonic crystals (PCs) having periodic air hole cylinders, when
designed properly, exhibit near-zero effective refractive index and the wave impedance is …
designed properly, exhibit near-zero effective refractive index and the wave impedance is …
Sandwiching intermediate reflectors in tandem solar cells for improved photon management
S Fahr, C Rockstuhl, F Lederer - Applied Physics Letters, 2012 - pubs.aip.org
In tandem solar cells, intermediate reflectors are employed to increase light absorption in the
top cell. Thus far, the use of photonic crystals for this purpose was not optimal since side …
top cell. Thus far, the use of photonic crystals for this purpose was not optimal since side …