Frequency‐Resolved Reciprocal‐Space Mapping of Visible Spontaneous Emission from 3D Photonic Crystals

Frölich, Andreas; Fischer, Joachim; Wolff, Christian; Busch, Kurt; Wegener, Martin

doi:10.1002/adom.201400150

Cited by 8 publications

(9 citation statements)

References 28 publications

(33 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, in experiments photons are detected outside the PhC, i.e. the emitted radiation must pass the PhC-air interface, which can significantly modify both the spatial and spectral distribution of the emitted radiation [23,45] and clearly is beyond the scope of this simple example section.…”

Section: Perturbation Theory For Parabolic Band Edgesmentioning

confidence: 99%

Modal expansions in periodic photonic systems with material loss and dispersion

2018

Self Cite

View full text Add to dashboard Cite

We study bandstructure properties of periodic optical systems composed of lossy and intrinsically dispersive materials. To this end, we develop an analytical framework based on adjoint modes of a lossy periodic electromagnetic system and show how the problem of linearly dependent eigenmodes in the presence of material dispersion can be overcome. We then formulate expressions for the bandstructure derivative (∂ω)/(∂k) (complex group velocity) and the local and total density of transverse optical states. Our exact expressions hold for 3D periodic arrays of materials with arbitrary dispersion properties and in general need to be evaluated numerically. They can be generalized to systems with two, one or no directions of periodicity provided the fields are localized along non-periodic directions. Possible applications are photonic crystals, metamaterials, metasurfaces composed of highly dispersive materials such as metals or lossless photonic crystals, metamaterials or metasurfaces strongly coupled to resonant perturbations such as quantum dots or excitons in 2D materials. For illustration purposes, we analytically evaluate our expressions for some simple systems consisting of lossless dielectrics with one sharp Lorentzian material resonance added. By combining several Lorentz poles, this provides an avenue to perturbatively treat quite general material loss bands in photonic crystals.

show abstract

Section: Perturbation Theory For Parabolic Band Edgesmentioning

confidence: 99%

Modal expansions in periodic photonic systems with material loss and dispersion

2018

Self Cite

View full text Add to dashboard Cite

show abstract

“…The photoresist system consisting of the monomer pentaerythritol triacrylate (PETA) in combination with 0.25 wt% of DETC as photoinitiator (or slight variations of this formulation) has been investigated by several groups . So far, it is the only photoresist system for STED‐inspired DLW that has not only been utilized for proof‐of‐principle lithography experiments but that has also enabled applications in nanophotonics and nanochemistry that could not have been realized with regular DLW . It has been shown that one contribution to the polymerization‐inhibition effect of this system is stimulated emission with an S 1 ‐lifetime of around 1 ns .…”

Section: Introductionmentioning

confidence: 99%

Exploring the Mechanisms in STED‐Enhanced Direct Laser Writing

Fischer

Mueller

Quick

et al. 2014

Advanced Optical Materials

Self Cite

View full text Add to dashboard Cite

Mode properties of circularly symmetric waveguides with one special type of bianisotropy are studied using finite element approach. We find that the polarization degeneracy in circularly symmetric waveguides can be eliminated, by introducing intrinsic crossing coupling between electric and magnetic moments in the constituent units of the waveguide media. Breaking the polarization degeneracy in high order mode groups is also confirmed numerically. With the bianisotropic parameters chosen in this work, the x and y-polarized modes remain decoupled. Typically, the y-polarized modes remain completely unchanged, while the x-polarized modes are turned into leaky modes that are lossy along propagation direction. A perturbation model from coupled mode theory is developed to explain the results and shows excellent agreement. Such asymmetric behavior between different polarizations might be feasible and useful for developing compact polarizers in terahertz or mid-infrared regime.

show abstract

“…Finally, we note that several studies have described diverse variants of STED lithography and related test structures, but few publications have actually used STED lithography to go beyond the state‐of‐the‐art of ordinary optical lithography in terms of applications. Examples are 3D invisibility cloaks operating at visible wavelengths, photonic crystals with complete 3D photonic band gaps in the visible part of the spectrum, and chiral metamaterials composed of linear rods or triple helices …”

Section: Challenge: Direct Laser Writing Below the Diffraction Limitmentioning

confidence: 99%

3D Laser Micro‐ and Nanoprinting: Challenges for Chemistry

et al. 2017

Self Cite

View full text Add to dashboard Cite

3D printing is a powerful emerging technology for the tailored fabrication of advanced functional materials. This Review summarizes the state-of-the art with regard to 3D laser micro- and nanoprinting and explores the chemical challenges limiting its full exploitation: from the development of advanced functional materials for applications in cell biology and electronics to the chemical barriers that need to be overcome to enable fast writing velocities with resolution below the diffraction limit. We further explore chemical means to enable direct laser writing of multiple materials in one resist by highly wavelength selective (λ-orthogonal) photochemical processes. Finally, chemical processes to construct adaptive 3D written structures that are able to respond to external stimuli, such as light, heat, pH value, or specific molecules, are highlighted, and advanced concepts for degradable scaffolds are explored.

show abstract

Frequency‐Resolved Reciprocal‐Space Mapping of Visible Spontaneous Emission from 3D Photonic Crystals

Cited by 8 publications

References 28 publications

Modal expansions in periodic photonic systems with material loss and dispersion

Modal expansions in periodic photonic systems with material loss and dispersion

Exploring the Mechanisms in STED‐Enhanced Direct Laser Writing

3D Laser Micro‐ and Nanoprinting: Challenges for Chemistry

Contact Info

Product

Resources

About