Optical programmable metamaterials

Cheng Gong; Nan Zhang; Zijie Dai; Weiwei Liu

doi:10.1117/12.2309751

20 February 2018 Optical programmable metamaterials

Cheng Gong, Nan Zhang, Zijie Dai, Weiwei Liu

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 106974M (2018) https://doi.org/10.1117/12.2309751
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

We suggest and demonstrate the concept of optical programmable metamaterials which can configure the device’s electromagnetic parameters by the programmable optical stimuli. In such metamaterials, the optical stimuli produced by a FPGA controlled light emitting diode array can switch or combine the resonance modes which are coupled in. As an example, an optical programmable metamaterial terahertz absorber is proposed. Each cell of the absorber integrates four meta-rings (asymmetric 1/4 rings) with photo-resistors connecting the critical gaps. The principle and design of the metamaterials are illustrated and the simulation results demonstrate the functionalities for programming the metamaterial absorber to change its bandwidth and resonance frequency.

Citation Download Citation

Cheng Gong, Nan Zhang, Zijie Dai, and Weiwei Liu "Optical programmable metamaterials", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106974M (20 February 2018); https://doi.org/10.1117/12.2309751

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KEYWORDS

Metamaterials

Light emitting diodes

Resistors

Terahertz radiation

Field programmable gate arrays

Absorption

Switches

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