Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Simon Gröblacher"'
Autor:
André G. Primo, Pedro V. Pinho, Rodrigo Benevides, Simon Gröblacher, Gustavo S. Wiederhecker, Thiago P. Mayer Alegre
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract The coherent transduction of information between microwave and optical domains is a fundamental building block for future quantum networks. A promising way to bridge these widely different frequencies is using high-frequency nanomechanical r
Externí odkaz:
https://doaj.org/article/fb92468250984ad7a4bb32a039f8fd89
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and allows to realize a variety of applications, including preci
Externí odkaz:
https://doaj.org/article/d8b2e1c5b00549acb0e9bc9ceea7cebe
Autor:
Wenye Ji, Jin Chang, He-Xiu Xu, Jian Rong Gao, Simon Gröblacher, H. Paul Urbach, Aurèle J. L. Adam
Publikováno v:
Light: Science & Applications, Vol 12, Iss 1, Pp 1-16 (2023)
Abstract As a two-dimensional planar material with low depth profile, a metasurface can generate non-classical phase distributions for the transmitted and reflected electromagnetic waves at its interface. Thus, it offers more flexibility to control t
Externí odkaz:
https://doaj.org/article/39d3e0d264dd4fd998a54c352d599517
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-7 (2023)
The authors combined optical traps and frequency combs to create new acoustic technology – a mechanical frequency comb. The generation of this comb does not require any precision control, making it uniquely positioned for sensing, metrology, and qu
Externí odkaz:
https://doaj.org/article/04423db6cd6e45f6ae9c638b27bef933
Autor:
Robert Stockill, Moritz Forsch, Frederick Hijazi, Grégoire Beaudoin, Konstantinos Pantzas, Isabelle Sagnes, Rémy Braive, Simon Gröblacher
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-12 (2022)
Coherently interfacing microwave and optical radiation at the single photon level is an outstanding challenge in quantum technologies. Here, the authors show bi-directional on-chip conversion between MW and optical frequencies exploiting piezoelectri
Externí odkaz:
https://doaj.org/article/1a0db61b8f0047de940e32e647d9d24d
Autor:
Jingkun Guo, Simon Gröblacher
Publikováno v:
Light: Science & Applications, Vol 11, Iss 1, Pp 1-7 (2022)
Multilayer structures integrating a photonic crystal cavity and a mechanical resonator with a high-Q M out-of-plane mode are fabricated, exhibiting high optomechanical coupling.
Externí odkaz:
https://doaj.org/article/8ced5c1d18b042fabfa794288701aaf3
Autor:
Cauê M. Kersul, Rodrigo Benevides, Flávio Moraes, Gabriel H. M. de Aguiar, Andreas Wallucks, Simon Gröblacher, Gustavo S. Wiederhecker, Thiago P. Mayer Alegre
Publikováno v:
APL Photonics, Vol 8, Iss 5, Pp 056112-056112-6 (2023)
In this work, we study the effects of mechanical anisotropy in a 2D optomechanical crystal geometry. We fabricate and measure devices with different orientations, showing the dependence of the mechanical spectrum and the optomechanical coupling on th
Externí odkaz:
https://doaj.org/article/d9a36c7c947f481ca479e0fbdda0c78e
Autor:
Thomas Luschmann, Alexander Jung, Stephan Geprägs, Franz X Haslbeck, Achim Marx, Stefan Filipp, Simon Gröblacher, Rudolf Gross, Hans Huebl
Publikováno v:
Materials for Quantum Technology, Vol 3, Iss 2, p 021001 (2023)
Lithium niobate (LNO) is a well established material for surface acoustic wave (SAW) devices including resonators, delay lines and filters. Recently, multi-layer substrates based on LNO thin films have become commercially available. Here, we present
Externí odkaz:
https://doaj.org/article/04df2032f60b4292978be6c82ad3dc2e
Autor:
Jingkun Guo, Simon Gröblacher
Publikováno v:
Quantum, Vol 6, p 848 (2022)
Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum applications. Here
Externí odkaz:
https://doaj.org/article/4d3d89c6d8204f86a8344262761adbf9
Stationary quantum entanglement between a massive mechanical membrane and a low frequency LC circuit
Autor:
Jie Li, Simon Gröblacher
Publikováno v:
New Journal of Physics, Vol 22, Iss 6, p 063041 (2020)
We study electro-mechanical entanglement in a system where a massive membrane is capacitively coupled to a low frequency LC resonator. In opto- and electro-mechanics, the entanglement between a megahertz (MHz) mechanical resonator and a gigahertz (GH
Externí odkaz:
https://doaj.org/article/eba7361ac4b2458a8a922e920f6b28f3