| Issue |
EPJ Web Conf.
Volume 287, 2023
EOS Annual Meeting (EOSAM 2023)
|
|
|---|---|---|
| Article Number | 04028 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 4- Nanophotonics | |
| DOI | https://doi.org/10.1051/epjconf/202328704028 | |
| Published online | 18 October 2023 | |
https://doi.org/10.1051/epjconf/202328704028
Bispectral Optical Cavity based on Twin Metamirrors
1 Technical University of Braunschweig, Institute for Semiconductor Technology, Hans-Sommer-Str. 66, Braunschweig, Germany
2 CAVITY technologies UG, Wilhelmsgarten 3, Braunschweig, Germany
3 Laboratory for Emerging Nanometrology (LENA), Langer Kamp 6a/b, Braunschweig, Germany
4 Physikalisch-Technische Bundesanstalt, Bundesallee 100, Braunschweig, Germany
* e-mail: liam.shelling-neto@tu-braunschweig.de
Published online: 18 October 2023
Metasurfaces, the two-dimensional variant of metamaterials, manipulate light in unique ways, opening up a whole new world of optical functionalities, ranging from optical imaging to quantum optics. High reflectivities and tailored phase profiles could allow such metamirrors to outperform conventional multilayer mirrors for high-precision optical interferometry due to their low thermal noise. Here, we design twin metamirrors with theoretical reflectivities of > 99.9 % at 1064 nm and 1550 nm. These mirrors can be implemented in bispectral low-noise optical cavities, which would reduce the number of cavities or can be used as a transfer cavity for quantum experiments like atomic clocks.
© The Authors, published by EDP Sciences, 2023
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