Photonic band gap phenomenon and optical properties of artificial opals

Bogomolov, V. N.; Гапоненко, С. В.; Germanenko, I. N.; Kapitonov, A. M.; Petrov, Eugene P.; Гапоненко, Н. В.; Prokofiev, A. V.; Ponyavina, A. N.; Sil'vanovich, N. I.; Samoilovich, S. M.

doi:10.1103/physreve.55.7619

Cited by 240 publications

(143 citation statements)

References 16 publications

Supporting

Mentioning

131

Contrasting

Unclassified

Order By: Relevance

“…Another routine that is in rapid progress is the self-arrangement of colloid, related artificial opals, and inverse-opal techniques. [8][9][10][11][12][13] Among them, the inverse-opal technique becomes an attractive candidate in the fabrication of optical photonic crystals. These crystals are composed of closepacked air spheres arranged in a face-centered-cubic ͑fcc͒ lattice embedded in a dielectric background.…”

mentioning

confidence: 99%

Fragility of photonic band gaps in inverse-opal photonic crystals

2000

View full text Add to dashboard Cite

Inverse-opal techniques provide a promising routine of fabricating photonic crystals with a full band gap in the visible and infrared regimes. Numerical simulations of band structures of such systems by means of a supercell technique demonstrate that this band gap is extremely fragile to the nonuniformity in crystals. In the presence of disorder such as variations in the radii of air spheres and their positions, the band gap reduces significantly, and closes at a fluctuation magnitude as small as under 2% of the lattice constant. This imposes a severe requirement on the uniformity of the crystal lattice. The fragility can be attributed to the creation of this band gap at high-frequency bands ͑eight to nine bands͒ in inverse-opal crystals.In recent years the fabrication of photonic crystals has attracted extensive interest, 1-3 as such artificial periodic structures may bring about some peculiar physical phenomena such as inhibition of spontaneous emission and localization of electromagnetic waves. [2][3][4] In addition, they possess possible applications in wide scientific and technical areas such as filters, optical switches, cavities, waveguide, design of low-threshold lasers, and high-efficient light emitting diodes. [1][2][3] A three-dimensional ͑3D͒ photonic crystal with a full band gap in the visible and infrared regimes provides the most stirring potential in application. Recently, the fabrication of 3D photonic crystals of micrometer size have been demonstrated 5,6 using a layer-by-layer growth scheme 7 that employs state-of-the-art microlithography techniques, however it still remains a difficult and challenging task. Another routine that is in rapid progress is the self-arrangement of colloid, related artificial opals, and inverse-opal techniques. [8][9][10][11][12][13] Among them, the inverse-opal technique becomes an attractive candidate in the fabrication of optical photonic crystals. These crystals are composed of closepacked air spheres arranged in a face-centered-cubic ͑fcc͒ lattice embedded in a dielectric background. When the refractive index contrast is large enough, a full band gap opens at high-frequency bands. 14 Very recently, great progress has been made in this technique by several groups. [11][12][13] As the crystals are of micrometer and submicrometer sizes, various kinds of nonuniformity inevitably occur in the fabrication process. A typical inverse-opal crystal is prepared as follows. 11 First, one should have a template assembled from a self-organizing system, for instance monodisperse silica or polystyrene colloidal crystal. Then sintering is used to create necks between spheres. This intersphere interconnection allows the precipitation of a desired background dielectric into the voids of the template by means of chemical reaction. Finally, the inverse-opal crystal is obtained by removing the original template material by calcination. In practice, nonuniformities occur at every step of the fabrication. For instance, the radius of spheres might vary even for monodisperse systems, 12...

show abstract

mentioning

confidence: 99%

Fragility of photonic band gaps in inverse-opal photonic crystals

2000

View full text Add to dashboard Cite

show abstract

“…Such emission suppression is conveniently observed in opal-based 3D PhCs impregnated with light emitters. [37][38][39] In contrast, if the light source is close to a PhC surface, it is not isolated from modes of free space, but subjected to the PhC local field, the magnitude of which is greatly enhanced in the PBG range. This increase in field magnitude is replicated in the increase in PL intensity.…”

Section: Discussionmentioning

confidence: 99%

Modification of emission of CdTe nanocrystals by the local field of Langmuir–Blodgett colloidal photonic crystals

Romanov¹,

Bardosova

Povey

et al. 2008

Journal of Applied Physics

View full text Add to dashboard Cite

A light source on the surface of a slab of 2+1-dimensional photonic crystal has been prepared by the Langmuir–Blodgett deposition of a colloidal crystal on top of a thin film containing CdTe nanocrystals. The directional enhancement of the light emission intensity in the spectral range of the photonic bandgap has been revealed through the comparative examination of the angle-resolved transmission, diffraction, and photoluminescence spectra of the prepared structures. Changes in the emission spectrum have been tentatively explained in terms of the acceleration of the radiative recombination due to the increase in the local field strength at photonic bandgap resonance and changes in the emission diagram—as arising from the wavelength dependence of the topology of the local field pattern.

show abstract

“…Bogomolov and co-workers [71] have carried out a substantial amount of work on synthetic opal and established a`standarda process, which begins with the colloidal formation of spherical balls of silica [72,73], followed by the sedimentation or centrifuging of the silica spheres into a`crystala in which the monodispersed spheres pack into a solid assembly. Substantial regions of material typically exhibit a regular face-centred cubic (f.c.c.)…”

Section: Self-organised Photonic Crystals Notably Opalmentioning

confidence: 99%

Photonic crystals in the optical regime â past, present and future

Krauss

Rue

1999

Progress in Quantum Electronics

442

141

View full text Add to dashboard Cite

During the last decade, photonic crystals, also known as photonic microstructures or photonic bandgap structures, have matured from an intellectual curiosity concerning electromagnetic waves to a "eld with real applications in both the microwave and optical regime. In this review, we shall focus on progress and the prospects for semiconductor structures that mainly involve guided modes interacting with periodic structures, but we also evaluate alternative material systems and fabrication methods, e.g. those based on self-organisation. We shall go from basic concepts, via a discussion of the state of the art, to device applications. Naturally, the discussion of the applications will be more speculative, but we attempt to evaluate the real prospects o!ered by photonic crystals at optical frequencies while considering practical limitations. In doing so, we identify a variety of areas such as the combination of quantum dot light emitters with photonic crystals that seem particularly promising. We discuss the prospects for enhanced light}matter interactions in photonic crystals and the related material and design issues. Overall, the aim of this review is to introduce the reader to the concepts of photonic crystals, describe the state of the art and attempt to answer the question of what uses these peculiar structures may have.

show abstract

Photonic band gap phenomenon and optical properties of artificial opals

Cited by 240 publications

References 16 publications

Fragility of photonic band gaps in inverse-opal photonic crystals

Fragility of photonic band gaps in inverse-opal photonic crystals

Modification of emission of CdTe nanocrystals by the local field of Langmuir–Blodgett colloidal photonic crystals

Photonic crystals in the optical regime â past, present and future

Contact Info

Product

Resources

About

Photonic band gap phenomenon and optical properties of artificial opals

Cited by 240 publications

References 16 publications

Fragility of photonic band gaps in inverse-opal photonic crystals

Fragility of photonic band gaps in inverse-opal photonic crystals

Modification of emission of CdTe nanocrystals by the local field of Langmuir–Blodgett colloidal photonic crystals

Photonic crystals in the optical regime â past, present and future

Contact Info

Product

Resources

About

Photonic crystals in the optical regime â past, present and future