Verification of Ge-on-insulator structure for Mid-infrared photonics platform

Title
Verification of Ge-on-insulator structure for Mid-infrared photonics platform
Authors
최원준김형준김상현한재훈심재필
Issue Date
2018-02
Publisher
Optical Materials Express
Citation
VOL 8, NO 2-440-12
Abstract
We propose a new Ge waveguide platform on Si substrates using F- and Y-based insulator cladding such as CaF2 and Y2O3, which have a small refractive index, broad transparency range, and high thermal conductivity. First, we verified the platform by optical mode simulation, showing that Mid-infrared (MID-IR) light is well confined in the proposed Ge waveguide due to the large differences in the refractive indexes of Ge and the insulators. We also investigated the thermal aspects of the platform in order to quickly dissipate the heat for stable light source integration. It was found that our platform provided better thermal dissipation than conventional SOI platforms due to large thermal conductivity of CaF2 and Y2O3. Furthermore, we provide a fabrication method for a Ge-on-insulator (GOI) platform using wafer bonding and splitting techniques. Finally, the optical transparency of the materials used in the platform were characterized at the MID-IR wavelength range and demonstrate that the platform can cover at wide wavelength range of up to at least 13 mu m.
URI
http://pubs.kist.re.kr/handle/201004/67589
ISSN
2159-3930
Appears in Collections:
KIST Publication > Article
Files in This Item:
There are no files associated with this item.
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE