Optical waveguide based on CdS quantum-dot-doped sodium borosilicate glass fabricated by the sol-gel technique

Yuhuan Xu; Yu-Hua Kao; Connie Chia; John D. Mackenzie; Seppo Honkanen; Nasser Peyghambarian

doi:10.1117/12.284129

2 October 1997 Optical waveguide based on CdS quantum-dot-doped sodium borosilicate glass fabricated by the sol-gel technique

Yuhuan Xu, Yu-Hua Kao, Connie Chia, John D. Mackenzie, Seppo Honkanen, Nasser Peyghambarian

Author Affiliations +

Proceedings Volume 3136, Sol-Gel Optics IV; (1997) https://doi.org/10.1117/12.284129
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

Citation Download Citation

Yuhuan Xu, Yu-Hua Kao, Connie Chia, John D. Mackenzie, Seppo Honkanen, and 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); https://doi.org/10.1117/12.284129

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