Sven Ramelow
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Explore the profile of Sven Ramelow including associated specialties, affiliations and a list of published articles.
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27
Citations
369
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Recent Articles
11.
Mohanty A, Zhang M, Dutt A, Ramelow S, Nussenzveig P, Lipson M
Nat Commun
. 2017 Jan;
8:14010.
PMID: 28106036
Integrated quantum optics has the potential to markedly reduce the footprint and resource requirements of quantum information processing systems, but its practical implementation demands broader utilization of the available degrees...
12.
Clemmen S, Farsi A, Ramelow S, Gaeta A
Phys Rev Lett
. 2016 Dec;
117(22):223601.
PMID: 27925713
Interferometry using discrete energy levels of nuclear, atomic, or molecular systems is the foundation for a wide range of physical phenomena and enables powerful techniques such as nuclear magnetic resonance,...
13.
Donvalkar P, Ramelow S, Clemmen S, Gaeta A
Opt Lett
. 2015 Nov;
40(22):5379-82.
PMID: 26565879
We demonstrate high optical depths (50±5) that last for hours in rubidium-filled hollow-core photonic bandgap fibers, which represent a 1000× improvement over the operation times previously reported. We investigate the...
14.
Okawachi Y, Yu M, Luke K, Carvalho D, Ramelow S, Farsi A, et al.
Opt Lett
. 2015 Nov;
40(22):5267-70.
PMID: 26565851
We demonstrate a degenerate parametric oscillator in a silicon nitride microresonator. We use two frequency-detuned pump waves to perform parametric four-wave mixing and operate in the normal group-velocity dispersion regime...
15.
Miller S, Okawachi Y, Ramelow S, Luke K, Dutt A, Farsi A, et al.
Opt Express
. 2015 Sep;
23(16):21527-40.
PMID: 26367998
In order to achieve efficient parametric frequency comb generation in microresonators, external control of coupling between the cavity and the bus waveguide is necessary. However, for passive monolithically integrated structures,...
16.
Ramelow S, Farsi A, Clemmen S, Levy J, Johnson A, Okawachi Y, et al.
Opt Lett
. 2014 Aug;
39(17):5134-7.
PMID: 25166092
We observe strong modal coupling between the TE00 and TM00 modes in Si3N4 ring resonators revealed by avoided crossings of the corresponding resonances. Such couplings result in significant shifts of...
17.
Lemos G, Borish V, Cole G, Ramelow S, Lapkiewicz R, Zeilinger A
Nature
. 2014 Aug;
512(7515):409-12.
PMID: 25164751
Information is central to quantum mechanics. In particular, quantum interference occurs only if there exists no information to distinguish between the superposed states. The mere possibility of obtaining information that...
18.
Krenn M, Huber M, Fickler R, Lapkiewicz R, Ramelow S, Zeilinger A
Proc Natl Acad Sci U S A
. 2014 Apr;
111(17):6243-7.
PMID: 24706902
Entangled quantum systems have properties that have fundamentally overthrown the classical worldview. Increasing the complexity of entangled states by expanding their dimensionality allows the implementation of novel fundamental tests of...
19.
Steinlechner F, Ramelow S, Jofre M, Gilaberte M, Jennewein T, Torres J, et al.
Opt Express
. 2013 Jun;
21(10):11943-51.
PMID: 23736416
We demonstrate a compact, robust, and highly efficient source of polarization-entangled photons, based on linear bi-directional down-conversion in a novel 'folded sandwich' configuration. Bi-directionally pumping a single periodically poled KTiOPO(4)...
20.
Fickler R, Krenn M, Lapkiewicz R, Ramelow S, Zeilinger A
Sci Rep
. 2013 May;
3:1914.
PMID: 23715056
Quantum Entanglement is widely regarded as one of the most prominent features of quantum mechanics and quantum information science. Although, photonic entanglement is routinely studied in many experiments nowadays, its...