Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material

Alexej V. Pogrebnyakov, Jeremy A. Bossard, Jeremiah P. Turpin, J. David Musgraves, Hee Jung Shin, Clara Riverobaleine, Nikolas Podraza, Kathleen A. Richardson, Douglas H. Werner, Theresa S. Mayer

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A reconfigurable metasurface made of Ge 2 Sb 2 Te 5 phase-change material was experimentally demonstrated in the 1.55 μm wavelength range. A nanostructured Ge 2 Sb 2 Te 5 film on fused silica substrate was optimized to switch from highly transmissive (80%) to highly absorptive (76%) modes with a 7:1 contrast ratio in transmission independent of polarization, when thermally transformed from the amorphous to crystalline state. The metasurface was designed using a genetic algorithm optimizer linked with an efficient fullwave electromagnetic solver.

Original languageEnglish (US)
Pages (from-to)2264-2275
Number of pages12
JournalOptical Materials Express
Volume8
Issue number8
DOIs
StatePublished - Aug 1 2018

Fingerprint

Phase change materials
Fused silica
Genetic algorithms
Switches
Polarization
Crystalline materials
Wavelength
Substrates

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

Pogrebnyakov, A. V., Bossard, J. A., Turpin, J. P., Musgraves, J. D., Shin, H. J., Riverobaleine, C., ... Mayer, T. S. (2018). Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material Optical Materials Express, 8(8), 2264-2275. https://doi.org/10.1364/OME.8.002264
Pogrebnyakov, Alexej V. ; Bossard, Jeremy A. ; Turpin, Jeremiah P. ; Musgraves, J. David ; Shin, Hee Jung ; Riverobaleine, Clara ; Podraza, Nikolas ; Richardson, Kathleen A. ; Werner, Douglas H. ; Mayer, Theresa S. / Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material In: Optical Materials Express. 2018 ; Vol. 8, No. 8. pp. 2264-2275.
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Pogrebnyakov, AV, Bossard, JA, Turpin, JP, Musgraves, JD, Shin, HJ, Riverobaleine, C, Podraza, N, Richardson, KA, Werner, DH & Mayer, TS 2018, ' Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material ', Optical Materials Express, vol. 8, no. 8, pp. 2264-2275. https://doi.org/10.1364/OME.8.002264

Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material . / Pogrebnyakov, Alexej V.; Bossard, Jeremy A.; Turpin, Jeremiah P.; Musgraves, J. David; Shin, Hee Jung; Riverobaleine, Clara; Podraza, Nikolas; Richardson, Kathleen A.; Werner, Douglas H.; Mayer, Theresa S.

In: Optical Materials Express, Vol. 8, No. 8, 01.08.2018, p. 2264-2275.

Research output: Contribution to journalArticle

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AU - Bossard, Jeremy A.

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AU - Shin, Hee Jung

AU - Riverobaleine, Clara

AU - Podraza, Nikolas

AU - Richardson, Kathleen A.

AU - Werner, Douglas H.

AU - Mayer, Theresa S.

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Pogrebnyakov AV, Bossard JA, Turpin JP, Musgraves JD, Shin HJ, Riverobaleine C et al. Reconfigurable near-IR metasurface based on Ge 2 Sb 2 Te 5 phase-change material Optical Materials Express. 2018 Aug 1;8(8):2264-2275. https://doi.org/10.1364/OME.8.002264