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A spatial light modulator for terahertz beams
Open accessAbstract
We design and implement a multipixel spatial modulator for terahertz beams using active terahertz metamaterials. Our first-generation device consists of a 4×4 pixel array, where each pixel is an array of subwavelength-sized split-ring resonator elements fabricated on a semiconductor substrate, and is independently controlled by applying an external voltage. Through terahertz transmission experiments, we show that the spatial modulator has a uniform modulation depth of around 40% across all pixels, and negligible crosstalk, at the resonant frequency. This device can operate under small voltage levels, at room temperature, with low power consumption and reasonably high switching speed.
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Citations
Cited by
Coding Metamaterials, Digital Metamaterials and Programmable Metamaterials
Cui, T. J., Qi, M. Q., Wan, X., Zhao, J., & Cheng, Q. (2014) · Light: Science & Applications · doi:10.1038/lsa.2014.99 · Cited by 3,801
Terahertz Pulse Generation with Binary Phase Control in Nonlinear InAs Metasurface
Jung, H., Hale, L. L., Gennaro, S. D., Briscoe, J., Iyer, P. P., Doiron, C. F., Harris, C. T., Luk, T. S., Addamane, S. J., Reno, J. L., et al. (2022) · Nano Letters · doi:10.1021/acs.nanolett.2c03456 · Cited by 36
Self-citationTerahertz waves and liquid crystals: prospects and challenges
Vieweg, N., & Deninger, A. (2013) · SPIE Proceedings · doi:10.1117/12.2013315 · Cited by 12
Metadata
- Authors
- Chan, W. L., Chen, H.-T., Taylor, A. J., Brener, I., Cich, M. J., & Mittleman, D. M.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2009-05-25
- Volume
- 94
- Issue
- 21
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2002708554
- Cited by
- 302
- References
- 0
- FWCI
- 7.26
- Type
- journal article
- Language
- en
- Open access
- green
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- Chan, W. L., Chen, H.-T., Taylor, A. J., Brener, I., Cich, M. J., & Mittleman, D. M. (2009). A spatial light modulator for terahertz beams. Applied Physics Letters. https://doi.org/10.1063/1.3147221
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