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Thermal noise in electro-optic devices at cryogenic temperatures
The quantum bits (qubits) on which superconducting quantum computers are based have energy scales corresponding to photons with GHz …
Sonia Mobassem
,
Nicholas Lambert
,
Alfredo Rueda
,
Johannes M. Fink
,
Gerd Leuchs
,
Harald G. L. Schwefel
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Dielectric perturbations: anomalous resonance frequency shifts in optical resonators
Small perturbations in the dielectric environment around resonant dielectric structures usually lead to a frequency shift of the …
Farhan Azeem
,
Luke S. Trainor
,
Patrick A. Devane
,
Daniel S. Norman
,
Alfredo Rueda
,
Nicholas Lambert
,
Madhuri Kumari
,
Matthew R. Foreman
,
Harald G. L. Schwefel
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Steady states, squeezing, and entanglement in intracavity triplet down conversion
Triplet down conversion, the process of converting one high-energy photon into three low-energy photons, may soon be experimentally …
M. D. E. Denys
,
M. K. Olsen
,
Luke S. Trainor
,
Harald G. L. Schwefel
,
A. S. Bradley
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Bidirectional Electro-Optic Wavelength Conversion in the Quantum Ground State
Microwave photonics lends the advantages of fiber optics to electronic sensing and communication systems. In contrast to nonlinear …
William Hease
,
Alfredo Rueda
,
Rishabh Sahu
,
Matthias Wulf
,
Georg Arnold
,
Harald G. L. Schwefel
,
Johannes M. Fink
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Nonlinear power dependence of the spectral properties of an optical parametric oscillator below threshold in the quantum regime
Photon pairs and heralded single photons, obtained from cavity-assisted parametric down conversion (PDC), play an important role in …
Golnoush Shafiee
,
Dmitry v. Strekalov
,
Alexander Otterpohl
,
Florian Sedlmeir
,
Gerhard Schunk
,
Ulrich Vogl
,
Harald G. L. Schwefel
,
Gerd Leuchs
,
Christoph Marquardt
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Random telegraph signal analysis with a recurrent neural network
We use an artificial neural network to analyze asymmetric noisy random telegraph signals, and extract underlying transition rates. We …
Nicholas Lambert
,
A. A. Esmail
,
M. Edwards
,
A. J. Ferguson
,
Harald G. L. Schwefel
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Experimental observation of internally pumped parametric oscillation and quadratic comb generation in a $χ^(2)$ whispering-gallery-mode microresonator
We report on the experimental observation of internally pumped parametric oscillation in a high-$!Q$Q lithium niobate microresonator …
Ian Hendry
,
Luke S. Trainor
,
Yiqing Xu
,
Stéphane Coen
,
Stuart G. Murdoch
,
Harald G. L. Schwefel
,
Miro Erkintalo
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Coherent Conversion Between Microwave and Optical Photons—An Overview of Physical Implementations
Quantum information technology based on solid state qubits has created much interest in converting quantum states from the microwave to …
Nicholas Lambert
,
Alfredo Rueda
,
Florian Sedlmeir
,
Harald G. L. Schwefel
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Squeezed vacuum states from a whispering gallery mode resonator
Squeezed vacuum states enable optical measurements below the quantum limit and hence are a valuable resource for applications in …
Alexander Otterpohl
,
Florian Sedlmeir
,
Ulrich Vogl
,
Thomas Dirmeier
,
Golnoush Shafiee
,
Gerhard Schunk
,
Dmitry v. Strekalov
,
Harald G. L. Schwefel
,
Tobias Gehring
,
Ulrik L. Andersen
,
Gerd Leuchs
,
Christoph Marquardt
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Octave-spanning tunable parametric oscillation in crystalline Kerr microresonators
Through degenerate Kerr four-wave mixing in ultrahigh-Q crystalline microresonators made of magnesium fluoride, tunable conversion of a …
Noel Lito B. Sayson
,
Toby Bi
,
Vincent Ng
,
Hoan Pham
,
Luke S. Trainor
,
Harald G. L. Schwefel
,
Stéphane Coen
,
Miro Erkintalo
,
Stuart G. Murdoch
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