46 citations · 111 across the 11 of their papers we have counts for
11 papers
An Efficient Compact Blazed Grating Antenna for Optical Phased Arrays
Henna Farheen, Suraj Joshi, J. Christoph Scheytt +2
Phased arrays are vital in communication systems and have received significant interest in the field of optoelectronics and photonics, enabling a wide range of applications such as…
On-demand indistinguishable and entangled photons using tailored cavity designs
David Bauch, Dustin Siebert, Klaus D. Jöns +2
The biexciton-exciton emission cascade commonly used in quantum-dot systems to generate polarization entanglement yields photons with intrinsically limited indistinguishability. In…
An asymmetric non-uniform 3-dB directional coupler with 300-nm bandwidth
Hamed Nikbakht, Mohammad Talebi Khoshmehr, Bob Van Someren +4
Here, we demonstrate a new type of 3-dB coupler that has an ultra-broadband operational range starting from 1300 nm to 1600 nm with low fabrication sensitivity. Overall device size…
Flexible source of correlated photons based on LNOI rib waveguides
L. Ebers, A. Ferreri, M. Hammer +4
Lithium niobate on insulator (LNOI) has a great potential for photonic integrated circuits, providing substantial versatility in design of various integrated components. To properl…
Optoelectronic sampling of ultrafast electric transients with single quantum dots
Alex Widhalm, Sebastian Krehs, Dustin Siebert +7
In our work, we have engineered low capacitance single quantum dot photodiodes as sensor devices for the optoelectronic sampling of ultrafast electric signals. By the Stark effect,…
Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots
David Bauch, Dirk Heinze, Jens Förstner +2
Employing the ultrafast control of electronic states of a semiconductor quantum dot in a cavity, we introduce a novel approach to achieve on-demand emission of single photons with…
Integrated superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides
Jan Philipp Höpker, Varun B. Verma, Maximilian Protte +10
We demonstrate the integration of amorphous tungsten silicide superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides. We show proof-of-…
Directional Emission from Dielectric Leaky-Wave Nanoantennas
Manuel Peter, Andre Hildebrandt, Christian Schlickriede +4
An important source of innovation in nanophotonics is the idea to scale down known radio wave technologies to the optical regime. One thoroughly investigated example of this approa…
Electron g-Factor Anisotropy in Symmetric (110)-oriented GaAs Quantum Wells
J. Hübner, S. Kunz, S. Oertel +6
We demonstrate by spin quantum beat spectroscopy that in undoped symmetric (110)-oriented GaAs/AlGaAs single quantum wells even a symmetric spatial envelope wavefunction gives rise…
Phonon-assisted decoherence and tunneling in quantum dot molecules
A. Grodecka-Grad, J. Förstner
We study the influence of the phonon environment on the electron dynamics in a doped quantum dot molecule. A non-perturbative quantum kinetic theory based on correlation expansion…
Theory of phonon-mediated relaxation in doped quantum dot molecules
A. Grodecka-Grad, J. Förstner
A quantum dot molecule doped with a single electron in the presence of diagonal and off-diagonal carrier-phonon couplings is studied by means of a non-perturbative quantum kinetic…