Requirements for gain/oscillation in Yb3+/Er3+-codoped microring resonators

Juan A. Vallés; R. Gălătuş

doi:10.1117/12.2078657

16 March 2015 Requirements for gain/oscillation in Yb³⁺/Er³⁺-codoped microring resonators

Juan A. Vallés, R. Gălătuş

Proceedings Volume 9359, Optical Components and Materials XII; 93591R (2015) https://doi.org/10.1117/12.2078657
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

A detailed model of the performance of a highly Yb³⁺/Er³⁺-codoped phosphate glass add-drop filter, which combines the propagation at resonance of both pump and signal powers inside the microring resonator with their interaction with the dopant ions, is used to analyze the requirements for gain/oscillation in these structures. Special attention is paid to the influence of additional coupling losses and asymmetry between the input/output couplers. It is concluded that, due to small signal gain saturation and the limited range of pump amplitude coupling coefficients, asymmetry does not greatly influence gain/oscillation requirements through the pump intensity build-up inside the ring. Asymmetry effect on small signal intensity transfer rate and threshold gain instead allows a significant lightening of the demanding doping ions concentrations requirements to achieve oscillation.

Citation Download Citation

Juan A. Vallés and R. Gălătuş "Requirements for gain/oscillation in Yb³⁺/Er³⁺-codoped microring resonators", Proc. SPIE 9359, Optical Components and Materials XII, 93591R (16 March 2015); https://doi.org/10.1117/12.2078657

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