Carbon Structures with Three-Dimensional Periodicity at Optical Wavelengths

Porous carbons that are three-dimensionally periodic on the scale of optical wavelengths were made by a synthesis route resembling the geological formation...

AA Zakhidov，RH Baughman，Z Iqbal，... - 《Science》

Photonic band gap formation in certain self-organizing systems

We present a detailed study of photonic band structure in certain self-organizing systems that self-assemble into large-scale photonic crystals with photon...

K Busch，S John - 《Physical Review E》

Liquid-Crystal Photonic-Band-Gap Materials: The Tunable Electromagnetic Vacuum

We demonstrate that when an optically birefringent nematic liquid crystal is infiltrated into the void regions of an inverse opal, photonic-band-gap (PBG) ...

K Busch，S John - 《Physical Review Letters》

Liquid Crystal Photonic Band Gap Materials: The Tunable Electromagnetic Vacuum

Photonic-Band-Gap (PBG) materials are a distinct class of dielectrics which facilitate the control over both propagation of light and the inhibition of spo...

K Busch - Aps Meeting

Temperature tuning of the stop band in transmission spectra of liquid-crystal infiltrated synthetic opal as tunable photonic crystal

Nematic liquid crystals and smectic liquid crystals can be infiltrated into a three-dimensional periodic array of interconnected nanosize voids in opal fil...

K Yoshino，Y Shimoda，Y Kawagishi，... - 《Applied Physics Letters》

Electric Field Tuning of the Stop Band in a Liquid‐Crystal‐Infiltrated Polymer Inverse Opal

A polymer inverse opal with a tunable band-gap is presented. It is shown that, when the opal is infiltrated with a nematic liquid crystal, tuning of the st...

M Ozaki - 《Advanced Materials》

Spectral Narrowing of Emission in Di-substituted Polyacetylene

We studied spontaneous and stimulated optical emission in films of di-substituted trans-polyacetylene (t-PA). We found that di-substitution of t-PA drastic...

SV Frolov，M Shkunov，ZV Vardeny，... - 《Japanese Journal of Applied Physics Pt Letters》

Localization of Superradiance near a Photonic Band Gap

We describe collective spontaneous emission of N two-level atoms placed within a photonic band-gap material. When the atomic resonance frequency lies at th...

S John，T Quang - 《Phys.rev.lett》

The Optical Properties of Porous Opal Crystals Infiltrated with Organic Molecules

A fluorescent dye and a photochromic dye were infiltrated into polycrystalline samples of porous opal in order to determine the effects of opal repeat dime...

K Yoshino，K Tada，M Ozaki，... - 《Japanese Journal of Applied Physics》

Optical properties of poly(disilanylene oligophenylenes)

Optical properties of poly[(disilanylene)oligophenylenes] such as poly[(disilanylene) terphenylene] (PDSiTP) and poly[(disilanylene) quarterphenylene] (PDS...

K Yoshino，M Hirohata，K Tada，... - Optical Science, Engineering & Instrumentation