Germanium-on-silicon planar concave grating wavelength (de)multiplexers in the mid-infrared

被引：73

作者：

Malik, Aditya ^{[1
,2
]}

Muneeb, Muhammad ^{[1
,2
,3
]}

Shimura, Yosuke ^{[4
,5
]}

Van Campenhout, Joris ^{[4
]}

Loo, Roger ^{[4
]}

Roelkens, Gunther ^{[1
,2
,3
]}

机构：

[1] Univ Ghent, IMEC, Photon Res Grp, B-9000 Ghent, Belgium

[2] Univ Ghent, Ctr Nano & Biophoton, B-9000 Ghent, Belgium

[3] Eindhoven Univ Technol, COBRA Res Inst, NL-5600 MB Eindhoven, Netherlands

[4] IMEC, B-3001 Louvain, Belgium

[5] Katholieke Univ Leuven, Inst Kern & Stralingsfys, B-3001 Louvain, Belgium

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 16期

关键词：

QUANTUM CASCADE LASERS; WAVE-GUIDES;

D O I：

10.1063/1.4826114

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Mid-infrared wavelength (de) multiplexers based on planar concave gratings (PCGs) fabricated on a germanium-on-silicon waveguide platform are presented. PCGs with two different types of gratings (flat facet and distributed bragg reflectors) are analyzed for both transverse electric (TE) and transverse magnetic (TM) polarizations. The insertion loss and cross talk for flat facet PCGs are found to be -7.6/-6.4 dB and 27/21 dB for TE/TM polarization. For distributed bragg reflector PCGs the insertion loss and cross talk are found to be -4.9/-4.2 dB and 22/23 dB for TE/TM polarization. (C) 2013 AIP Publishing LLC.

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页数：4

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