Emission and optical properties of Si slot Er_xY_2-xSiO_5 waveguides

Hideo Isshiki; Zul Izwan Bin Zulkefli; Takayuki Nakajima; Takuya Sato; Tadamasa Kimura

doi:10.1117/12.2001322

20 November 2012 Emission and optical properties of Si slot Er_xY_2-xSiO₅ waveguides

Hideo Isshiki, Zul Izwan Bin Zulkefli, Takayuki Nakajima, Takuya Sato, Tadamasa Kimura

Proceedings Volume 8564, Nanophotonics and Micro/Nano Optics; 856404 (2012) https://doi.org/10.1117/12.2001322
Event: Photonics Asia, 2012, Beijing, China

Abstract

Strong optical confinement to the low-index slot, such as Er_xY_2-xSiO₅, is expected for guided TM mode. The confinement effect leads to modification of the optical mode density, resulting in the enhancement of radiative transition. We have fabricated slab Si-slot waveguides with Er₂SiO₅ slot layers in order to demonstrate the dependence of radiative emission on the guided waveguide modes. The PL fine structure particular to Er₂SiO₅ crystal has been observed through the waveguide structure. We confirmed the enhancement of the TM mode edge emission, and the intensity was about two times higher than that of TE mode.

Citation Download Citation

Hideo Isshiki, Zul Izwan Bin Zulkefli, Takayuki Nakajima, Takuya Sato, and Tadamasa Kimura "Emission and optical properties of Si slot Er_xY_2-xSiO₅ waveguides", Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 856404 (20 November 2012); https://doi.org/10.1117/12.2001322

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