High-Performance All-Organic DFB and DBR Waveguide Laser with Various Grating Height Fabricated by a Two-Photon Absorption DLW Method | Scientific Reports
2-μm single longitudinal mode GaSb-based laterally coupled distributed feedback laser with regrowth-free shallow-etched gratings by interference lithography
Figure 1 from 4.6 nm Mode-Hop-Free Tunable DFB Laser with High Coupling Coefficient Gratings | Semantic Scholar
Structure of a membrane DFB laser with surface corrugation grating and... | Download Scientific Diagram
What are Distributed Feedback (DFB) Lasers? - GoPhotonics.com