![Schematic diagram of DR laser with active DFB and passive DBR sections | Download Scientific Diagram Schematic diagram of DR laser with active DFB and passive DBR sections | Download Scientific Diagram](https://www.researchgate.net/profile/Saeed-Mahmud-Ullah/publication/4258563/figure/fig1/AS:279952126693382@1443757196325/Schematic-diagram-of-DR-laser-with-active-DFB-and-passive-DBR-sections.png)
Schematic diagram of DR laser with active DFB and passive DBR sections | Download Scientific Diagram
![High-Performance All-Organic DFB and DBR Waveguide Laser with Various Grating Height Fabricated by a Two-Photon Absorption DLW Method | Scientific Reports High-Performance All-Organic DFB and DBR Waveguide Laser with Various Grating Height Fabricated by a Two-Photon Absorption DLW Method | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-019-47098-4/MediaObjects/41598_2019_47098_Fig1_HTML.png)
High-Performance All-Organic DFB and DBR Waveguide Laser with Various Grating Height Fabricated by a Two-Photon Absorption DLW Method | Scientific Reports
![Schematic illustration of the feedback mechanism for the DBR (a) and... | Download Scientific Diagram Schematic illustration of the feedback mechanism for the DBR (a) and... | Download Scientific Diagram](https://www.researchgate.net/profile/Wenbin-Huang-6/publication/285580519/figure/fig6/AS:302373495951370@1449102867930/Schematic-illustration-of-the-feedback-mechanism-for-the-DBR-a-and-DFB-laser-b.png)
Schematic illustration of the feedback mechanism for the DBR (a) and... | Download Scientific Diagram
![PDF] Virtanen Narrow-Linewidth DFB and DBR Lasers with Surface Gratings Fabricated Using UV-Nanoimprint Lithography | Semantic Scholar PDF] Virtanen Narrow-Linewidth DFB and DBR Lasers with Surface Gratings Fabricated Using UV-Nanoimprint Lithography | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/70fbdeb48b4f989a57e2c8e6aa49e01c537f024e/26-Figure2.1-1.png)
PDF] Virtanen Narrow-Linewidth DFB and DBR Lasers with Surface Gratings Fabricated Using UV-Nanoimprint Lithography | Semantic Scholar
![For the first time achieved – CW operation from 405 nm GaN-based DBR laser diodes using high-order surface gratings | Ferdinand-Braun-Institut For the first time achieved – CW operation from 405 nm GaN-based DBR laser diodes using high-order surface gratings | Ferdinand-Braun-Institut](https://www.fbh-berlin.de/fileadmin/fbh-berlin/images/Research_News/2021/CW_operation_from_405_nm_GaN-based_DBR_laser_diodes_Fig3.jpg)