Zobrazeno 1 - 10
of 233
pro vyhledávání: '"Tassin, Philippe"'
Autor:
Péralle, Cindy, Manjeshwar, Sushanth Kini, Ciers, Anastasiia, Wieczorek, Witlef, Tassin, Philippe
Publikováno v:
Phys. Rev. B 109, 035407 (2024)
We present a detailed study of mechanically compliant, photonic-crystal-based microcavities featuring a quasi-bound state in the continuum. Such systems have recently been predicted to reduce the optical loss in Fabry-Perot-type optomechanical caviti
Externí odkaz:
http://arxiv.org/abs/2306.17831
Autor:
Manjeshwar, Sushanth Kini, Ciers, Anastasiia, Monsel, Juliette, Pfeifer, Hannes, Peralle, Cindy, Wang, Shu Min, Tassin, Philippe, Wieczorek, Witlef
Publikováno v:
Optics Express 31, 30212 (2023)
Increasing the interaction between light and mechanical resonators is an ongoing endeavor in the field of cavity optomechanics. Optical microcavities allow for boosting the interaction strength through their strong spatial confinement of the optical
Externí odkaz:
http://arxiv.org/abs/2305.13511
Autor:
Gahlmann, Timo, Tassin, Philippe
Many phenomena in physics, including light, water waves, and sound, are described by wave equations. Given their coefficients, wave equations can be solved to high accuracy, but the presence of the wavelength scale often leads to large computer simul
Externí odkaz:
http://arxiv.org/abs/2201.10387
Publikováno v:
Phys. Rev. Research 3, 013131 (2021)
We propose a versatile, free-space cavity optomechanics platform built from two photonic crystal membranes, one of which is freely suspended, and designed to form a microcavity less than one wavelength long. This cavity features a series of photonic
Externí odkaz:
http://arxiv.org/abs/2007.07883
Autor:
Manjeshwar, Sushanth Kini, Elkhouly, Karim, Fitzgerald, Jamie M., Ekman, Martin, Zhang, Yanchao, Zhang, Fan, Wang, Shu Min, Tassin, Philippe, Wieczorek, Witlef
Publikováno v:
Appl. Phys. Lett. 116, 264001 (2020)
We present high-reflectivity mechanical resonators fabricated from AlGaAs heterostructures for use in free-space optical cavities operating in the telecom wavelength regime. The mechanical resonators are fabricated in slabs of GaAs and patterned with
Externí odkaz:
http://arxiv.org/abs/2004.12454
Akademický článek
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Autor:
Semnani, Behrooz, Jago, Roland, Safavi-Naeini, Safieddin, Majedi, Amir Hamed, Malic, Ermin, Tassin, Philippe
Publikováno v:
2D Materials 6, 031003 (2019)
We reveal that optical saturation of the low-energy states takes place in graphene for arbitrarily weak electromagnetic fields. This effect originates from the diverging field-induced interband coupling at the Dirac point. Using semiconductor Bloch e
Externí odkaz:
http://arxiv.org/abs/1806.10123
Publikováno v:
Phys. Rev. B 97, 085419 (2018)
We demonstrate that plasmons in graphene can be manipulated using a DC current. A source-drain current lifts the forward/backward degeneracy of the plasmons, creating two modes with different propagation properties parallel and antiparallel to the cu
Externí odkaz:
http://arxiv.org/abs/1710.00338