Analysis of optical waveguide formation in Er:NaY(WO4)2 crystal by MeV He+ ion implantation
详细信息 查看全文
- 作者：Cheng ; Zhen-Xiang ; Zhang ; Shujun ; Yi ; Xiujie ; Chen ; Feng ; Han ; Jianru ; Chen ; Huanchu
- 关键词：42.79.Gn ; 61.80.Jh ; 42.70.Hj ; He+ ion implantation ; Er ; NaY(WO4)2 crystal ; Optical waveguide ; Refractive index profile
- 刊名：Optics Communications
- 出版年：2002
- 出版时间：January 1, 2002
- 年：2002
- 卷：201
- 期：1-3
- 页码：55-59
- 全文大小：123 K
文摘
Tetragonal scheelite-like single crystals Er:NaY(WO4)2 (Er:NYW) have been grown along its 
101
direction by using RF-heating Czochralski (CZ) method. A planar optical waveguide in the as-grown Er:NaY(WO4)2 crystal was formed by 2.6 MeV He+ ions implantation with dose of 1.5×1016ions/cm2 at room temperature. Using the prism coupling technique, the dark modes were measured: four TE modes and five TM modes were observed in the waveguide. Using the reflectivity calculation method (RCM), the refractive index profiles were reconstructed and analyzed before and after the optical waveguide was annealed at 300 °C for 30 min. The energy loss was simulated by the transport of ions in matter (TRIM) code, and the results were investigated in comparison with the refractive index profile in the waveguide.
101 direction by using RF-heating Czochralski (CZ) method. A planar optical waveguide in the as-grown Er:NaY(WO4)2 crystal was formed by 2.6 MeV He+ ions implantation with dose of 1.5×1016ions/cm2 at room temperature. Using the prism coupling technique, the dark modes were measured: four TE modes and five TM modes were observed in the waveguide. Using the reflectivity calculation method (RCM), the refractive index profiles were reconstructed and analyzed before and after the optical waveguide was annealed at 300 °C for 30 min. The energy loss was simulated by the transport of ions in matter (TRIM) code, and the results were investigated in comparison with the refractive index profile in the waveguide.