Lasing from Organic Polymer Sandwiched by SiNx-Based Distributed Bragg Reflector Structures

In this work, we designed and fabricated distributed Bragg reflector (DBR) structures based on 9 pairs of silicon nitride and silicon dioxide layers. Then, Poly[2-(2',5'-bis(2'-ethylhexyloxy)phenyl)-1,4-phenylenevinylene] (BEHP-PPV) was sandwiched between two DBRs, which were demonstrated to be capable of lasing at a threshold of 1.6 mJ/cm
²
.