Suspended Membrane InGaAs Photonic Crystal Waveguides for Ammonia Sensing at λ=6.15μm
- Resource Type
- Conference
- Authors
- Min Yoo, Kyoung; Midkiff, Jason; Rostamian, Ali; Chakravarty, Swapnajit; Chen, Ray T.
- Source
- 2019 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2019 Conference on. :1-2 May, 2019
- Subject
- Photonics and Electrooptics
Indium gallium arsenide
Optical waveguides
Ammonia
Lattices
Quantum cascade lasers
Sensors
Slow light
- Language
Fully suspended InGaAs waveguide devices with holey photonic crystal waveguides (HPCWs) are designed for mid-infrared sensing at λ=6.15μm in the low index contrast InGaAs-InP platform. We experimentally detect 5ppm ammonia in 1mm long suspended HPCWs. © 2019 The Author(s)