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Ge Microdisk with Lithographically-Tunable Strain using CMOS-Compatible Process
David S. Sukhdeo, Jan Petykiewicz, Shashank Gupta +6
We present germanium microdisk optical resonators under a large biaxial tensile strain using a CMOS-compatible fabrication process. Biaxial tensile strain of ~0.7% is achieved by m…
Direct Bandgap Light Emission from Strained Ge Nanowires Coupled with High-Q Optical Cavities
Jan Petykiewicz, Donguk Nam, David S. Sukhdeo +5
A silicon-compatible light source is the final missing piece for completing high-speed, low-power on-chip optical interconnects. In this paper, we present a germanium-based light e…
Inverse design and demonstration of a compact and broadband on-chip wavelength demultiplexer
Alexander Y. Piggott, Jesse Lu, Konstantinos G. Lagoudakis +3
Integrated photonic devices are poised to play a key role in a wide variety of applications, ranging from optical interconnects and sensors to quantum computing. However, only a sm…