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Photonic Crystal and Plasmonic Silicon-Based Light Sources

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8 Author(s)
Makarova, Maria ; Dept. of Electr. Eng., Stanford Univ., Stanford, CA, USA ; Gong, Y. ; Cheng, Szu-Lin ; Nishi, Yoshio
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Efficient silicon (Si)-compatible emitters can realize inexpensive light sources for a variety of applications. In this paper, we study both photonic crystal (PC) and plasmonic nanocavities that enhance the emission of Si-compatible materials. In particular, we examine the coupling of silicon nanocrystals (Si-NCs) to silicon nitride PC cavities and Si-NCs in silicon dioxide to plasmonic gratings, both for enhancement of emission in the visible wavelengths. In addition, we also observe the enhancement of the 1530 nm emission from erbium-doped silicon nitride films coupled to Si PC cavities. Finally, we analyze the loss mechanisms associated with the hybrid silicon nitride/silicon system, and propose advancements in the designs of PC and plasmonic cavities for the emitters described in this paper.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 1 )