7 papers
Room-temperature alignment-free magnetometry with boron vacancies in hot-pressed hexagonal boron nitride
Shuyu Wen, Raul Coto, Peiting Wen +5
Magnetic field sensing is essential for applications in communication, environmental monitoring, and biomedical diagnostics. Quantum sensors based on solid-state spin defects, such…
A high-performance all-silicon photodetector enabling telecom-wavelength detection at room temperature
Mohd Saif Shaikh, Mircea-Traian Catuneanu, Ahmad Echresh +9
Photonic integrated circuits (PICs) are crucial for advancing optical communications, promising substantial gains in data transmission speed, bandwidth, and energy efficiency compa…
Photon emission gain in Er doped Si light emitting diodes by impact excitation
Huayou Liu, Jiayuan Zhao, Jing Zhang +6
This work demonstrates photon emission gain, i.e., emission of multiple photons per injected electron, through impact excitation in Er-doped silicon light-emitting diodes (LEDs). C…
Optical spin readout of a silicon color center in the telecom L-band
Shuyu Wen, Gregor Pieplow, Junchun Yang +6
Silicon-based quantum technologies have gained increasing attention due to their potential for large-scale photonic integration, long spin coherence times, and compatibility with C…
Formation of martensitic microstructure in epitaxial Ni-Mn-Ga films after fast cooling
Yuru Ge, Fabian Ganss, Klara Lünser +5
Shape memory alloys have a wide range of applications, including high stroke actuation, energy-efficient ferroic cooling, and energy harvesting. These applications are based on a r…
Structural changes in Ge1-xSnx and Si1-x-yGeySnx thin films on SOI substrates treated by pulse laser annealing
Oliver Steuer, Daniel Schwarz, Michael Oehme +10
Ge1-xSnx and Si1-x-yGeySnx alloys are promising materials for future opto- and nanoelectronics applications. These alloys enable effective band-gap engineering, broad adjustability…