Germanium (Ge) has played a key role in silicon photonics as an enabling material for
datacom applications. Indeed, the unique properties of Ge have been leveraged to develop …

We demonstrate low-loss Ge-rich Si 0.2 Ge 0.8 waveguides on Si 1− x Ge x (x from 0 to
0.79) graded substrates operating in the mid-infrared wavelength range at λ= 4.6 μm …

Silicon photonics is a large volume and large scale integration platform for applications from
long-haul optical telecommunications to intra-chip interconnects. Extension to the mid-IR …

We theoretically investigated the use of a Si 3 N 4 on SiO 2 waveguide as an optical
interaction part with sensed molecules for multi-gas wideband on-chip spectroscopic …

We report on the design and simulation of a waveguide-integrated Ge/SiGe quantum-
confined Stark effect (QCSE) optical modulator based on the use of a Ge-rich SiGe relaxed …

The mid infrared (MIR) region, which ranges from 2 μm to 20 μm, has attracted a lot of
interest, particularly for novel applications in medical diagnosis, astronomy, chemical and …

Mid-infrared (mid-IR) spectroscopy is a nearly universal way to identify chemical and
biological substances, as most of the molecules have their vibrational and rotational …

SiGe (Silicon Germanium) is a common semiconductor material with many excellent
properties, and many photonic-integrated devices are designed and fabricated with SiGe …

Silicon photonics based on Ge/SiGe quantum well structures Page 1 WD1 (Invited) 11:00
AM - 11:30 AM Silicon photonics based on Ge/SiGe quantum well structures D. Marris-Moiini1 …

We report on the first third order nonlinear experimental characterization of Ge-rich Si 1. x
Ge x waveguides, with Germanium concentrations x ranging from 0.7 to 0.9. The …