| Issue |
EPL
Volume 80, Number 1, October 2007
|
|
|---|---|---|
| Article Number | 14006 | |
| Number of page(s) | 4 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/80/14006 | |
| Published online | 12 September 2007 | |
Six-fold hybrid photonic crystal formed holographically with full band gap for low refractive index
Department of Optics, Shandong University - Jinan, 250100, China
Corresponding author: lzcai@sdu.edu.cn
Received:
4
July
2007
Accepted:
17
August
2007
A novel kind of two-dimensional (2D) photonic crystals conforming
to the 6-fold hybrid triangular configuration formed by holographic lithography is proposed. The relations between their photonic band gap
properties and their specific holographic designs for the normal structures
are systematically investigated. Computations show that this normal structure has complete band gaps over wide ranges of system parameters, and
the minimum dielectric constant required to open a complete band gap with
> 1% is as low as 3.8, which is
the lowest compared with the results of 2D periodic photonic crystals ever
reported. The latter fact is also verified by light propagation simulation
in waveguide. This work may make holographic photonic crystals promising for
application in the range of optical devices and provide a guideline for
their design and experimental fabrication.
PACS: 42.40.Kw – Holographic interferometry; other holographic techniques / 42.70.Qs – Photonic bandgap materials / 42.25.Bs – Wave propagation, transmission and absorption
© Europhysics Letters Association, 2007
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