5 papers
Magneto-optical characterization of GeSn and GeSn/SiGeSn heterostructures
Mehdi Ashrafganjoie, Kelvin Dsouza, Prithu Bhatnagar +9
Hole spin qubits in germanium (Ge)-based heterostructures have demonstrated their potential for scalable quantum information processing using all-electrical gate operations. Furthe…
Spontaneous Transition from Conformal to Two-Dimensional Growth in Ge/GeSn Core/Shell Nanowires
Simone Assali, Sebastian Koelling, Milenka Andelic +3
GeSn semiconductors are group-IV isovalent alloys that offer remarkable tunability of optoelectronic properties across the entire infrared spectrum, while remaining fully compatibl…
Polarization-sensitive GeSn Mid-Infrared Membrane Photodetectors with Integrated Plasmonic Metasurface
Ziqiang Cai, Cédric Lemieux-Leduc, Mahmoud R. M. Atalla +4
Germanium-Tin (GeSn) semiconductors are promising for mid-infrared optoelectronics owing to their silicon compatibility, tunable bandgap, and potential for room-temperature operati…
Waveguide-Coupled Mid-Infrared GeSn Membrane Photodetectors on Silicon-on-Insulator
Cédric Lemieux-Leduc, Mahmoud R. M. Atalla, Simone Assali +5
Silicon photonics has thrived in telecommunications over recent decades, and its extension to the mid-infrared range has the potential to unlock valuable opportunities for sensing,…
Mid-infrared group-IV nanowire laser
Youngmin Kim, Simone Assali, Junyu Ge +10
Semiconductor nanowires have shown great potential for enabling ultra-compact lasers for integrated photonics platforms. Despite the impressive progress in developing nanowire lase…