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Optical switches and modulators in deep freeze
The integration of silicon-based waveguides with barium titanate thin films enables the realization of efficient electro-optic switches and modulators operating at cryogenic temperatures, offering promising opportunities for quantum technologies.
- Goran Z. Mashanovich
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Letter |
An integrated optical modulator operating at cryogenic temperatures
The integration of barium titanate thin films with silicon-based waveguides enables the operation of efficient electro-optic switches and modulators at temperatures as low as 4 K, with potential applications in quantum computing and cryogenic computing technologies.
- Felix Eltes
- , Gerardo E. Villarreal-Garcia
- & Stefan Abel
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News & Views |
Strong Pockels materials
Electro-optic modulators based on epitaxial barium titanate integrated on silicon can reach speeds up to 50 Gbit s–1.
- Mo Li
- & Hong X. Tang
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News & Views |
Large-scale dielectric metasurfaces
Researchers develop a simple and low-cost fabrication method for the production of large-scale all-dielectric metasurfaces, which exhibit near-perfect reflectivity in the telecommunications spectral window.
- Nicolas Bonod
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News & Views |
Stretching silicon's potential
The application of inhomogeneous strain to silicon photonic structures may lead to new optically active devices based on second-order nonlinear processes.
- Clemens Schriever
- & Ralf B. Wehrspohn
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News & Views |
Electrifying plasmonics on silicon
The realization of electrical sources of surface plasmon polaritons using complementary metal oxide semiconductor technology is a significant step towards silicon-compatible nanoscale photonic devices.
- Aaron Hryciw
- , Young Chul Jun
- & Mark L. Brongersma
A programmable topological photonic chip
Ultrafast responses
Silicon qubits