Recent works towards the development of Ge-rich SiGe photonic integrated circuits will be presented, such as the demonstration of low-loss waveguides and ultra-wideband Mach Zehnder interferometer from 5.5 to 8.6 μm wavelength, as well as the first steps towards the realization of efficient wideband optical sources.
D. Marris-Morini, V. Vakarin, Q. Liu, J. M. Ramirez, A. Ballabio, J. Frigerio, X. Le Roux, S. Serna, E. Cassan, D. Benedikovic, C. Alonso-Ramos, G. Isella, and L. Vivien, "Ge-rich SiGe photonic-integrated circuits for mid-IR spectroscopy," Proc. SPIE 10540, Quantum Sensing and Nano Electronics and Photonics XV, 1054011 (Presented at SPIE OPTO: January 30, 2018; Published: 26 January 2018); https://doi.org/10.1117/12.2289859.
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