Silicon photonic devices realized on refractive index engineered subwavelength grating waveguides-A review
It is a remarkable and straightforward approach to customize the dispersion and nonlinear
properties of the photonic devices without varying the composition of the material by …
properties of the photonic devices without varying the composition of the material by …
Spectroelectrochemistry, the future of visualizing electrode processes by hyphenating electrochemistry with spectroscopic techniques
The combination of electrochemistry and spectroscopy, known as spectroelectrochemistry
(SEC), is an already established approach. By combining these two techniques, the …
(SEC), is an already established approach. By combining these two techniques, the …
Larger-than-unity external optical field confinement enabled by metamaterial-assisted comb waveguide for ultrasensitive long-wave infrared gas spectroscopy
Nanophotonic waveguides that implement long optical pathlengths on chips are promising
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …
Roadmap on chalcogenide photonics
B Gholipour, SR Elliott, MJ Müller… - Journal of Physics …, 2023 - iopscience.iop.org
Alloys of sulfur, selenium and tellurium, often referred to as chalcogenide semiconductors,
offer a highly versatile, compositionally-controllable material platform for a variety of passive …
offer a highly versatile, compositionally-controllable material platform for a variety of passive …
On-chip infrared photonics with Si-Ge-heterostructures: What is next?
The integration of Ge on Si for photonics applications has reached a high level of maturity:
Ge photodetectors are available on the Si platform in foundry processes, and Si/Ge …
Ge photodetectors are available on the Si platform in foundry processes, and Si/Ge …
Opportunities for photonic integrated circuits in optical gas sensors
A Hänsel, MJR Heck - Journal of Physics: Photonics, 2020 - iopscience.iop.org
In this article, the potential of photonic integrated circuits (PICs) for modern gas sensing
applications is discussed. Optical detection systems can be found at the high-end of the …
applications is discussed. Optical detection systems can be found at the high-end of the …
InGaAs membrane waveguide: a promising platform for monolithic integrated mid-infrared optical gas sensor
Mid-infrared (mid-IR) absorption spectroscopy based on integrated photonic circuits has
shown great promise in trace-gas sensing applications in which the mid-IR radiation directly …
shown great promise in trace-gas sensing applications in which the mid-IR radiation directly …
Waveguide-integrated mid-infrared photodetection using graphene on a scalable chalcogenide glass platform
The development of compact and fieldable mid-infrared (mid-IR) spectroscopy devices
represents a critical challenge for distributed sensing with applications from gas leak …
represents a critical challenge for distributed sensing with applications from gas leak …
Ultrasensitive mid-infrared optical gas sensor based on germanium-on-insulator photonic circuits with limit-of-detection at sub-ppm level
Optical waveguide structures guiding a strongly localized field in an external region for mid-
IR integrated gas sensors using the IR tunable diode laser absorption spectroscopy …
IR integrated gas sensors using the IR tunable diode laser absorption spectroscopy …
Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band
In recent years, sensing and communication applications have fueled important
developments of group-IV photonics in the mid-infrared band. In the long-wave range, most …
developments of group-IV photonics in the mid-infrared band. In the long-wave range, most …