Multiple-port directional emission whispering-gallery mode microlasers

Yong-Zhen Huang; Yue-De Yang; Jian-Dong Lin; Kai-Jun Che; Shi-Jiang Wang; Jin-Long Xiao; Yun Du

doi:10.1117/12.879235

21 February 2011 Multiple-port directional emission whispering-gallery mode microlasers

Yong-Zhen Huang, Yue-De Yang, Jian-Dong Lin, Kai-Jun Che, Shi-Jiang Wang, Jin-Long Xiao, Yun Du

Proceedings Volume 7913, Laser Resonators and Beam Control XIII; 79130V (2011) https://doi.org/10.1117/12.879235
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

Multiple-port directional emission microlasers are potential light sources and optical signal processing units in photonic integrated circuits. Connecting bus waveguides to a microresonator is a simple method to realize directional emission microlasers. In this paper, we investigate square and circular resonator microlasers connected with multiple bus waveguides. The mode characteristics of the microresonators connected with multiple bus waveguides are simulated by finite-difference time-domain technique, and the numerical results of mode Q factors and output coupling efficiencies show that high efficiency directional emission microresonator lasers can be realized. Furthermore, the microcylinder laser connected with a bus waveguide fabricated by planar technology processes is reported, and the lasing spectra of square microlasers with four vertices connected to bus waveguides are analyzed.

Citation Download Citation

Yong-Zhen Huang, Yue-De Yang, Jian-Dong Lin, Kai-Jun Che, Shi-Jiang Wang, Jin-Long Xiao, and Yun Du "Multiple-port directional emission whispering-gallery mode microlasers", Proc. SPIE 7913, Laser Resonators and Beam Control XIII, 79130V (21 February 2011); https://doi.org/10.1117/12.879235

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