Measuring randomness with periodic media

Haché, Alain; Malik, Mohit; Diem, Marcus; Tkeshelashvili, Lasha; Busch, Kurt

doi:10.1016/j.photonics.2006.11.001

Cited by 4 publications

(2 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Later, the concept of tunable photonic band structures has been extended to tunable superrefractive effects [16] (see Section 2.1.2.1) as well as to tunable waveguiding structures and functional elements in photonic crystals [17][18][19][20][21] (see Section 2.1.3). In addition, liquidcrystal infiltrated photonic crystals may provide a novel form of (tunable) disorder [14] which-besides studying fundamental aspects of wave propagation such as Anderson localization-may find applications in the testing of random numbers [22,23]. To date, only bulk electro-optically tunable photonic-crystal structures using either liquid crystals or polymers have been realized experimentally [15,[24][25][26][27][28][29][30] and limited tunability of the transmittance/reflectance has been demonstrated.…”

Section: H N K ( R) → Exp(i N K ) H N K ( R) (216)mentioning

confidence: 99%

Periodic nanostructures for photonics

et al. 2007

View full text Add to dashboard Cite

Periodic nanostructures in photonics facilitate a far-reaching control of light propagation and light-matter interaction. This article reviews the current status of this subject, including both recent progress and well-established results. The primary focus is on the basic physical principles and potential applications associated with the existence of Bragg scattering, photonic band structures, and engineered effective-medium properties in periodic dielectric and metallo-dielectric systems. In addition, we discuss advantages and limitations of various theoretical and numerical approaches as well as of those fabrication techniques that have specifically been developed for this field.

show abstract

Section: H N K ( R) → Exp(i N K ) H N K ( R) (216)mentioning

confidence: 99%

Periodic nanostructures for photonics

et al. 2007

View full text Add to dashboard Cite

show abstract

“…Furthermore, within the DC the key particles lie on a fractionally filled kagome sublattice where the degree of fractionalization is controlled by the randomness of the oriented clusters. The tunability of the DC randomness leads naturally to applications in information theory and cryptography [41], while the mechanical properties of the DC can also be tuned via the reconfigurability of the building block, thereby controlling the time scale of local plastic deformation. We expect assemblies containing reconfigurable building blocks, especially for nonconvex particles, to be more deformable than rigid building blocks due to their ability to locally alter their shape.…”

Section: Discussionmentioning

confidence: 99%

Self-assembly and tunable mechanics of reconfigurable colloidal crystals

Kohlstedt

Glotzer

2013

Phys. Rev. E

View full text Add to dashboard Cite

We investigate the self-assembly of crystals from reconfigurable colloidal building blocks. The building blocks possess the unique ability, inspired by recent experiments, to continuously alter their shape before, during, and after assembly. Using molecular simulations, we report the assembly of a reconfigurable degenerate crystal containing a fractionally filled kagome sublattice. We show that this degenerate crystal differs from, and assembles more easily than, its counterpart known for rigid dimers. We further report that the reconfigurable crystal has unique mechanical properties under shear strain compared to a crystal comprised of rigid building blocks. We find that even a small amount of reconfigurability in an assembly of otherwise rigid building blocks can greatly affect mechanical properties.

show abstract

Spatial coherence of a periodic medium as a means for testing randomness

Giller

Doiron

Beaudoin

et al. 2007

Applied Physics Letters

View full text Add to dashboard Cite

It is shown that the physical properties of a periodic medium are sensitive not only to disorder but also to whether disorder is random or not. Based on this property, the authors propose and demonstrate a method to analyze the randomness of data, to detect information content, and to recognize patterns. When data are encoded by means of defects on a periodic lattice, the transmission at a single frequency reveals possible deviations from true randomness, allowing for information content to be measured. This nonlogical (noncomputational) method for data analysis shows potential for signal analysis, pattern recognition, and cryptography.

show abstract

Measuring randomness with periodic media

Cited by 4 publications

References 4 publications

Periodic nanostructures for photonics

Periodic nanostructures for photonics

Self-assembly and tunable mechanics of reconfigurable colloidal crystals

Spatial coherence of a periodic medium as a means for testing randomness

Contact Info

Product

Resources

About