2 October 1997 Optical waveguide based on CdS quantum-dot-doped sodium borosilicate glass fabricated by the sol-gel technique
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Abstract
Semiconductor CdS quantum dot-doped sodium borosilicate glasses were successfully fabricated by the sol-gel technique. The dot size and concentration of CdS are controlled by chemistry and processing conditions. Optical absorption spectra were measured for these quantum dot-doped glasses, and absorption shoulder due to the exciton effect was observed. Nonlinear optical properties of high third-order susceptibility, (chi) (3), and room-temperature optical gain were observed. Potassium ion exchange was performed on the glass, and channel waveguides were successfully fabricated in the CdS-doped glass. The waveguide was tested with single mode laser pulses, and single mode output was demonstrated. Spectral broadening of the output pulses was observed.
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Yuhuan Xu, Yuhuan Xu, Yu-Hua Kao, Yu-Hua Kao, Connie Chia, Connie Chia, John D. Mackenzie, John D. Mackenzie, Seppo Honkanen, Seppo Honkanen, Nasser Peyghambarian, Nasser Peyghambarian, } "Optical waveguide based on CdS quantum-dot-doped sodium borosilicate glass fabricated by the sol-gel technique", Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); doi: 10.1117/12.284129; https://doi.org/10.1117/12.284129
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