Abstract
This Letter proposes a random plasmonic laser in the metal–insulator–metal (MIM) structure, in which the dielectric core with gain is dispersed with circular dielectric nanoscatterers. The numerical results from finite-difference time-domain simulation indicate that scattering by the randomly distributed dielectric nanoscatterers in the MIM waveguide provides feedback to the random laser with surface plasmon. The design bypasses the requirement of a distributed feedback structure for the plasmonic waveguide-based nanolasers, which is challenging and expensive in fabrication. Additionally, the MIM structure makes this type of random laser easily applicable to nanoscale integrated photonic devices and circuits.
© 2022 Optica Publishing Group
Full Article | PDF ArticleMore Like This
Zhongjun Jiang, Huiwen Luo, Songpo Guo, and Liang Wang
Opt. Lett. 44(4) 783-786 (2019)
Venkata Siva Gummaluri, Radhika V. Nair, S. R. Krishnan, and C. Vijayan
Opt. Lett. 42(23) 5002-5005 (2017)
Kouki Matsunaga, Takeshi Watanabe, Yoichiro Neo, Takahiro Matsumoto, and Makoto Tomita
Opt. Lett. 41(22) 5274-5277 (2016)