Polycrystalline diamond photonic waveguides realized by femtosecond laser lithography

被引:13
|
作者
Hanafi, Haissam [1 ]
Kroesen, Sebastian [1 ]
Lewes-Malandrakis, Georgia [2 ]
Nebel, Christoph [2 ]
Pernice, Wolfram H. P. [3 ]
Denz, Cornelia [1 ]
机构
[1] Univ Munster, Inst Appl Phys, Correnstr 2, D-48149 Munster, Germany
[2] Fraunhofer Inst Appl Solid State Phys, Tullastr 72, D-79108 Freiburg, Germany
[3] Univ Munster, Inst Phys, Heisenbergstr 11, D-48149 Munster, Germany
来源
OPTICAL MATERIALS EXPRESS | 2019年 / 9卷 / 07期
关键词
Diamonds;
D O I
10.1364/OME.9.003109
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In recent years, the perception of diamond has changed from it being a pure gemstone to a universal high-tech material. In the field of photonics, an increased interest is emerging due to its outstanding optical properties, such as its high refractive index, a spectrally wide transmission window, and high Raman coefficient. Furthermore, the capability to host color defects for room temperature single photon generation makes diamond an attractive platform for quantum photonics. Known as nature's hardest material, the fabrication and handling of crystalline diamond for integrated optics remains challenging. Here, we report on the fabrication of three-dimensional Type III depressed cladding waveguides in polycrystalline diamond substrates by direct laser writing. Single mode waveguiding is demonstrated in the near-infrared telecommunication C-band. We believe that this enables the fabrication of three-dimensional large-scale photonic circuits, which are essential for advanced classical and quantum diamond photonics. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
引用
收藏
页码:3109 / 3114
页数:6
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