Seminare


Seminare

In unregelmäßigen Abständen finden am MPQ Seminare statt. Diese werden von den Wissenschaftlern der einzelnen Abteilungen organisiert. Der Veranstaltungsort wird mit dem jeweiligen Seminar bekannt gegeben.
Ort: Max Planck Institute of Quantum Optics

Special Seminar: Flying qubits: snowballs in Hell (Prof. Dr. Klaus Mølmer)

Scalable designs for quantum information processing make use of flying qubits, i.e., photon or phonon wave packets that can communicate quantum states and gate operations between remote material (stationary) qubits in a larger network. While a precise description of how a travelling pulse of quantum radiation interacts with a local material quantum system is a crucial theory component in quantum optics and quantum information technologies, our textbooks do not provide a formal description of this elementary interaction process. [mehr]

Integrated nonlinear optics and Inverse-designed multimode photonics

In this talk, we will discuss new opportunities involving chip-scale nonlinear optics along with inverse-designed photonic circuits for multi-dimensional information processing. As a specific example, I will introduce recent experiments where we demonstrate natively error-free terabit/s data transmission using integrated frequency combs and multimode silicon photonics. [mehr]

Special Seminar: Absolute Measurement of a THz Transition Frequency Referenced to a Magnetic Dipolar Transition in Ca+ ion

Special Seminar: Absolute Measurement of a THz Transition Frequency Referenced to a Magnetic Dipolar Transition in Ca+ ion
A three-photon Coherent Population Trapping is observed by the dark line it induces on the laser induced fluorescence of a laser-cooled Ca+ ion cloud. This dark line is referenced to a magnetic dipolar transition at 1.8 THz, between two fine-structure sub-state of a metastable state. We explore the performance of such a system for frequency metrology in the THz domain. [mehr]

The Optical Society (OSA)

OSA presents its actions and programs for the “optics and photonics” community: students, faculty and industry from all over the world. Benefits will be shown for those relating with OSA at various levels, including the journal publishing program, including reviewer policies and rewarding. On demand, a more in depth description of student chapters will be given, its setup, the benefits (not only to students) and how to maintain and develop it. Everybody is welcome (OSA members and non-members). [mehr]

Certification of Quantum Measurements and New Entangled Quantum Probes

Certification of Quantum Measurements and New Entangled Quantum Probes
In the quantum information literature, self-testing refers to the action of uniquely determining a quantum state based solely on the statistics of measurement outcomes and minimal assumptions. These quantum self-testing protocols are more stringent than well-known Bell tests. While violation of a Bell inequality for a bipartite system establishes that its quantum state is entangled, it cannot certify, for instance, that its quantum state is maximally entangled. We extend self-testing techniques to certification of quantum measurements in various physical settings. [mehr]
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