Germanium-based integrated photonics from near-to mid-infrared applications
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 …
datacom applications. Indeed, the unique properties of Ge have been leveraged to develop …
Electro-optic modulation in integrated photonics
Electro-optic modulators are an indispensable part of photonic communication systems,
largely dictating the achievable transmission rate. Recent advances in materials and …
largely dictating the achievable transmission rate. Recent advances in materials and …
Integrated germanium optical interconnects on silicon substrates
Monolithic integration of optoelectronics with electronics is a much-desired functionality.
Here, we demonstrate that it is possible to realize low-loss Ge quantum-well photonic …
Here, we demonstrate that it is possible to realize low-loss Ge quantum-well photonic …
Recent progress on Ge/SiGe quantum well optical modulators, detectors, and emitters for optical interconnects
Germanium/Silicon-Germanium (Ge/SiGe) multiple quantum wells receive great attention for
the realization of Si-based optical modulators, photodetectors, and light emitters for short …
the realization of Si-based optical modulators, photodetectors, and light emitters for short …
Strong coupling in metal-semiconductor microcavities featuring Ge quantum wells: a perspective study
In this work we theoretically investigate the possibility of observing strong coupling at mid-
infrared frequencies within the group-IV semiconductor material platform. Our results show …
infrared frequencies within the group-IV semiconductor material platform. Our results show …
Giant electro-optic effect in Ge/SiGe coupled quantum wells
Silicon-based photonics is now considered as the photonic platform for the next generation
of on-chip communications. However, the development of compact and low power …
of on-chip communications. However, the development of compact and low power …
Surface-normal Ge/SiGe asymmetric Fabry–Perot optical modulators fabricated on silicon substrates
We demonstrate the first vertical-incidence Ge/SiGe quantum well reflection modulators
fabricated entirely on standard silicon substrates. These modulators could help enable …
fabricated entirely on standard silicon substrates. These modulators could help enable …
Ge/SiGe parabolic quantum wells
Quantum wells with parabolic confining potentials allow the realization of semiconductor
heterostructures mimicking the physical properties of a quantum harmonic oscillator. Here …
heterostructures mimicking the physical properties of a quantum harmonic oscillator. Here …
[HTML][HTML] Interfacial sharpness and intermixing in a Ge-SiGe multiple quantum well structure
A Ge-SiGe multiple quantum well structure created by low energy plasma enhanced
chemical vapour deposition, with nominal well thickness of 5.4 nm separated by 3.6 nm …
chemical vapour deposition, with nominal well thickness of 5.4 nm separated by 3.6 nm …
Asymmetric Ge/SiGe coupled quantum well modulators
Y Zhang, J Gao, S Qin, M Cheng, K Wang, L Kai… - …, 2021 - degruyter.com
We design and demonstrate an asymmetric Ge/SiGe coupled quantum well (CQW)
waveguide modulator for both intensity and phase modulation with a low bias voltage in …
waveguide modulator for both intensity and phase modulation with a low bias voltage in …