Polarization Rotator in Low Index Contrast Substrates for Mid-Infrared Photonic Integration

• DOI: 10.1364/cleo_at.2018.jw2a.40
• Publication Date: 2018-05-07T14:14:41Z
• Authors: Swapnajit Chakrav...; Jason Midkiff; Chi-Jui Chung; Ali Rostamian; Joel Guo; Ray Chen
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology; 7. Clean energy

We demonstrate polarization rotators in low index contrast InGaAs-InP material system to enable monolithic integration of quantum cascade lasers and detectors with slotted photonic crystal waveguide gas sensors in the molecular fingerprint region from λ=3-15μm.