Zobrazeno 1 - 10
of 474
pro vyhledávání: '"Ozdemir, S. K."'
The concept of exceptional points-based optical amplifiers (EPOAs) has been recently proposed as a new paradigm for miniaturizing optical amplifiers while simultaneously enhancing their gain-bandwidth product. While the operation of this new family o
Externí odkaz:
http://arxiv.org/abs/2208.13925
Understanding the linear response of any system is the first step towards analyzing its linear and nonlinear dynamics, stability properties, as well as its behavior in the presence of noise. In non-Hermitian Hamiltonian systems, calculating the linea
Externí odkaz:
http://arxiv.org/abs/2207.12728
Publikováno v:
Nature Communications 13, 599 (2022)
Engineering the transport of radiation and its interaction with matter using non-Hermiticity, particularly through spectral degeneracies known as exceptional points(EPs), is an emerging field that has both fundamental and practical implications. Chir
Externí odkaz:
http://arxiv.org/abs/2107.06019
Publikováno v:
APL Photonics 6, 040803 (2021)
Chiral exceptional points (CEPs) have been shown to emerge in traveling wave resonators via asymmetric back scattering from two or more nano-scatterers. Here, we provide a new perspective on the formation of CEPs based on the coupled oscillator model
Externí odkaz:
http://arxiv.org/abs/2104.11730
Publikováno v:
Phys. Rev. Lett. 125, 203602 (2020)
The realization of higher-order exceptional points (HOEPs) can lead to orders of magnitude enhancement in light-matter interactions beyond the current fundamental limits. Unfortunately, implementing HOEPs in the existing schemes is a rather difficult
Externí odkaz:
http://arxiv.org/abs/2008.00366
Publikováno v:
Phys. Rev. Research 3, 013220 (2021)
We investigate spontaneous emission from a quantum emitter located within the mode volume of a microring resonator that features chiral exceptional points. We show that this configuration offers enough degrees of freedom to exhibit a full control to
Externí odkaz:
http://arxiv.org/abs/2006.15440
Publikováno v:
Phys. Rev. Applied 13, 014070 (2020)
The finite gain-bandwidth product is a fundamental figure of merit that restricts the operation of standard optical amplifiers. In microcavity setups, this becomes a serious problem due to the narrow bandwidth of the device. Here we introduce a new d
Externí odkaz:
http://arxiv.org/abs/1904.13005
Publikováno v:
Phys. Rev. Lett. 122, 153902 (2019)
Exceptional points (EPs) are singularities that arise in non-Hermitian physics. Current research efforts focus only on systems supporting isolated EPs characterized by increased sensitivity to external perturbations, which makes them potential candid
Externí odkaz:
http://arxiv.org/abs/1810.09417
Autor:
Dlamini, S. G., Francis, J. T., Zhang, X., Ozdemir, S. K., Chormaic, S. Nic, Petruccione, F., Tame, M. S.
Publikováno v:
Phys. Rev. Applied 9, 024003 (2018)
We experimentally investigate the decoherence of single surface plasmon polaritons in metal stripe waveguides. In our study we use a Mach-Zehnder configuration previously considered for measuring decoherence in atomic, electronic and photonic systems
Externí odkaz:
http://arxiv.org/abs/1705.10344
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