Ontology highlight
ABSTRACT:
SUBMITTER: Bao Q
PROVIDER: S-EPMC7073330 | biostudies-literature | 2020
REPOSITORIES: biostudies-literature
Bao Qingyang Q Li Weijia W Xu Peizhen P Zhang Ming M Dai Daoxin D Wang Pan P Guo Xin X Tong Limin L
Light, science & applications 20200316
By integrating a free-standing cadmium sulfide (CdS) nanowire onto a silicon nitride (SiN) photonic chip, we demonstrate a highly compact on-chip single-mode CdS nanowire laser. The mode selection is realized using a Mach-Zehnder interferometer (MZI) structure. When the pumping intensity exceeds the lasing threshold of 4.9 kW/cm<sup>2</sup>, on-chip single-mode lasing at ~518.9 nm is achieved with a linewidth of 0.1 nm and a side-mode suppression ratio of up to a factor of 20 (13 dB). The output ...[more]