Numerical study on all-optical modulation characteristics of quantum cascade lasers

• Biao Wei,
• Haijun Zhou,
• Guangxiang Li and
• Bin Tang

Beilstein J. Nanotechnol. 2022, 13, 1011–1019, doi:10.3762/bjnano.13.88

• Biao Wei Haijun Zhou Guangxiang Li Bin Tang Key Laboratory of Optoelectronic Technology & Systems, Ministry of Education, Chongqing University, Chongqing 400044, China 10.3762/bjnano.13.88 Abstract To explain the phenomenon of all-optical modulation of quantum cascade laser (QCL), and explore the

• optimizing its use and dielectric nanostructure design. Keywords: all-optical modulation; dielectric nanostructures; high refractive index materials; numerical study; quantum cascade lasers; Introduction The quantum cascade laser (QCL) was invented nearly 30 years ago [1], and its cavity consists of

• have been reported, including thermal [8], electrical [9], acousto-optic [10], Faraday rotation effect spectroscopy [11], and all-optical methods [12]. The unipolar characteristics of QCLs provide them with unique advantages for all-optical modulation. All-optical modulation can avoid parasitic effects