Volume 108, Number 5, December 2014
|Number of page(s)||4|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||05 December 2014|
Ultrahigh-Q TE/TM dual-polarized photonic crystal holey fishbone-like nanobeam cavities
1 Hunan Key Laboratory for Micro- Nano Energy Materials and Devices, Xiangtan University Xiangtan 411105, China
2 Laboratory for Quantum Engineering and Micro- Nano Energy Technology, School of Physics and Optoelectronics, Xiangtan University - Xiangtan 411105, China
3 School of Physics and Electronics, Central South University - Changsha 410083, China
Received: 21 September 2014
Accepted: 19 November 2014
We propose and theoretically investigate a one-dimensional photonic crystal holey fishbone-like silicon nanobeam cavity that simultaneously supports both fundamental transverse-electric (TE) and second-order transverse-magnetic (TM) modes, and modes. Three-dimensional finite-difference time-domain simulations show that with thin cavity thickness and compact cavity size, the cavity possesses ultrahigh Q (, ), along with small mode volume and high confinement factor, for both and modes. We believe our proposed cavity could be beneficial for nonlinear frequency conversion, optomechanics and other applications where dual-polarized TE/TM modes are needed.
PACS: 42.70.Qs – Photonic bandgap materials / 42.60.Da – Resonators, cavities, amplifiers, arrays, and rings / 42.55.Sa – Microcavity and microdisk lasers
© EPLA, 2014
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