GAP Optique Geneva University
... • parallel transport of the polarization state (Berry topological phase) no vibrations • fluctuations of the birefringence thermal and mechanical stability • depolarization polarization mode dispersion smaller than the ...
... • parallel transport of the polarization state (Berry topological phase) no vibrations • fluctuations of the birefringence thermal and mechanical stability • depolarization polarization mode dispersion smaller than the ...
Two Qubits Tavis-Cummings Model Beyond the Rotating Wave
... the thermal state: The dynamics of a system interacting with a thermal reservoir is generally associated with decoherence of the system. However, following the work of Bose et al. [44], it was shown in [45] that entanglement (which is a manifestation of coherent superposition of states of a multi-pa ...
... the thermal state: The dynamics of a system interacting with a thermal reservoir is generally associated with decoherence of the system. However, following the work of Bose et al. [44], it was shown in [45] that entanglement (which is a manifestation of coherent superposition of states of a multi-pa ...
Optomechanics in the Quantum Regime
... setups: Instead of a macroscopic end mirror, state-of-the-art optomechanical experiments use cantilevers, as otherwise used for atomic force microscopy (see figure 1e), doubly clamped beams, microtoroids or other micromechanical elements that can be affected by light. The fact that their dimensions ...
... setups: Instead of a macroscopic end mirror, state-of-the-art optomechanical experiments use cantilevers, as otherwise used for atomic force microscopy (see figure 1e), doubly clamped beams, microtoroids or other micromechanical elements that can be affected by light. The fact that their dimensions ...
Multiple-User Quantum Information Theory for Optical Communication Channels Saikat Guha
... bosonic channels with additive thermal noise, under the presumption of a conjecture on the minimum output von Neumann entropy. In the first part of this thesis, we evaluate the optimum capacity for free-space line-of-sight optical communication using Gaussian-attenuation apertures. Optimal power all ...
... bosonic channels with additive thermal noise, under the presumption of a conjecture on the minimum output von Neumann entropy. In the first part of this thesis, we evaluate the optimum capacity for free-space line-of-sight optical communication using Gaussian-attenuation apertures. Optimal power all ...
Towards a Philosophical Reconstruction of the Dialogue
... — such as causation, determinism, laws of nature, the nature of space, time, matter and to some extent even the nature of consciousness — have become commonplace in theoretical physics and philosophy of physics. To the extent that it is concerned with the natural world, metaphysics as a branch of ph ...
... — such as causation, determinism, laws of nature, the nature of space, time, matter and to some extent even the nature of consciousness — have become commonplace in theoretical physics and philosophy of physics. To the extent that it is concerned with the natural world, metaphysics as a branch of ph ...
Synthesizing arbitrary quantum states in a superconducting resonator
... qubit excited state | eæ relative to the ground state | gæ. The succeeding swap pulse SN21 can then move the entire population of | g, N 2 1æ to | e, N 2 2æ. This sequence is repeated N times until the ground state | g, 0æ is reached. Steps Qn are performed with resonant qubit microwave pulses of am ...
... qubit excited state | eæ relative to the ground state | gæ. The succeeding swap pulse SN21 can then move the entire population of | g, N 2 1æ to | e, N 2 2æ. This sequence is repeated N times until the ground state | g, 0æ is reached. Steps Qn are performed with resonant qubit microwave pulses of am ...
An Unshunted Comparator as a Device for Quantum Measurements
... in the input line and this anti-pulse will then propagate away from the comparator back into the input line. This suggests a new SFQ comparator design where the detection or non-detection of this anti-pulse constitutes the measurement. The idea is to bias the comparator near the boundary between ”lo ...
... in the input line and this anti-pulse will then propagate away from the comparator back into the input line. This suggests a new SFQ comparator design where the detection or non-detection of this anti-pulse constitutes the measurement. The idea is to bias the comparator near the boundary between ”lo ...
Q ua nt um
... photon states are well explained by the Tavis-Cummings model over a wide range of detunings. On resonance we observe all but two eigenstates to be dark states, which do not couple to the cavity field. The bright states on the other hand are an equal superposition of a cavity photon and a multi-qubit ...
... photon states are well explained by the Tavis-Cummings model over a wide range of detunings. On resonance we observe all but two eigenstates to be dark states, which do not couple to the cavity field. The bright states on the other hand are an equal superposition of a cavity photon and a multi-qubit ...
Physik-Department Technische Universität München
... That unpublished article substantially influenced most of the material treated in this thesis. Finally, I thank Enrique for sharing with me his Machiavellian approach to life and physics. I could have not asked for a better master than you, Kike! I would also like to thank Dr. Henning Christ, a form ...
... That unpublished article substantially influenced most of the material treated in this thesis. Finally, I thank Enrique for sharing with me his Machiavellian approach to life and physics. I could have not asked for a better master than you, Kike! I would also like to thank Dr. Henning Christ, a form ...
Surface Code Quantum Computation on a Defective
... for example, quantum error correction, dynamic decoupling, and decoherence free subspaces. Overall, the study of these methods is called fault tolerant quantum computation (FTQC)[4]. Fully scalable quantum computers are required to solve meaningful problems because small scale quantum computers with ...
... for example, quantum error correction, dynamic decoupling, and decoherence free subspaces. Overall, the study of these methods is called fault tolerant quantum computation (FTQC)[4]. Fully scalable quantum computers are required to solve meaningful problems because small scale quantum computers with ...
Quantum gauge theory simulation with ultracold atoms
... U(1) gauge magnet by using Rydberg atoms, considering that the amount of resources needed for the simulation of link models is drastically reduced as the local Hilbert space shrinks from in nity to 2D (qubit). Finally, motivated by the advances in the simulation of open quantum systems, we turn to c ...
... U(1) gauge magnet by using Rydberg atoms, considering that the amount of resources needed for the simulation of link models is drastically reduced as the local Hilbert space shrinks from in nity to 2D (qubit). Finally, motivated by the advances in the simulation of open quantum systems, we turn to c ...
Genuine Fortuitousness
... an objective fact about the universe and must be treated as such. Copenhagen’s treatment of uncertainty stands in stark contrast to “hidden variable” theories, a series of other QM theories like Bohmian mechanics which treat uncertainty as the result of some unknown variable that has not been accoun ...
... an objective fact about the universe and must be treated as such. Copenhagen’s treatment of uncertainty stands in stark contrast to “hidden variable” theories, a series of other QM theories like Bohmian mechanics which treat uncertainty as the result of some unknown variable that has not been accoun ...
URL - StealthSkater
... however exist for roots of unity and this leads automatically to finite measurement resolution for phases giving a hierarchy of phase/angle resolutions. π and also other transcendentals appear in the scattering amplitudes of QFTs. The assumption that they are absent from amplitudes poses very strong ...
... however exist for roots of unity and this leads automatically to finite measurement resolution for phases giving a hierarchy of phase/angle resolutions. π and also other transcendentals appear in the scattering amplitudes of QFTs. The assumption that they are absent from amplitudes poses very strong ...
Quantum groups: A survey of de nitions, motivations, and results
... group is. One can always peek back at the earlier chapters and nd out the de nitions later. This makes it more fun and provides good motivation for learning the earlier background material. It also avoids getting bogged down before one even gets to the quantum group. In a number of places I have ch ...
... group is. One can always peek back at the earlier chapters and nd out the de nitions later. This makes it more fun and provides good motivation for learning the earlier background material. It also avoids getting bogged down before one even gets to the quantum group. In a number of places I have ch ...