Optical active waveguide in Er3+-Yb3+ codoped lithium silicate glass written with near-IR femtosecond laser pulses

Lin Ma; Shunxiang Shi; Guanghua Cheng; Guofu Chen

doi:10.1117/12.636433

3 December 2005 Optical active waveguide in Er³⁺-Yb³⁺ codoped lithium silicate glass written with near-IR femtosecond laser pulses

Lin Ma, Shunxiang Shi, Guanghua Cheng, Guofu Chen

Author Affiliations +

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 60193C (2005) https://doi.org/10.1117/12.636433
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

We present for the first time, to the best of our knowledge, active waveguide device and array in Er³⁺-Yb³⁺ codoped lithium silicate glass directly written by near-IR femtosecond laser pulses. We show that in Er³⁺-Yb³⁺ codoped lithium silicate cylinder waveguide of diameter 4um is produced by use of a microscope objective with a numerical aperture of NA=0.1 and laser pulse of 400fs duration with a energy of 3μJ generated by a Ti:sapphire amplifier. The sample could be translated parallel to the laser beam axis by a computer-controlled three-dimensional translation stage. We analyze its guided wave characterization. This one-step process provides a simple and flexible method for the fabrication of integrated optics components.

Citation Download Citation

Lin Ma, Shunxiang Shi, Guanghua Cheng, and Guofu Chen "Optical active waveguide in Er³⁺-Yb³⁺ codoped lithium silicate glass written with near-IR femtosecond laser pulses", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60193C (3 December 2005); https://doi.org/10.1117/12.636433

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