Presentation 2014-12-19
Thermal Resistance Improvement and Low-resistance Lateral PIN Junction Formation Technique on III-V-OI Wafers
Yuki IKKU, Mitsuru TAKENAKA, Shinichi TAKAGI,
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Abstract(in English) III-V CMOS photonics is a platform which enables strong optical confinement to the III-V waveguides by using III-V-on-Insulator (III-V-OI) wafers. III-V CMOS photonics also enables monolithic integration of passive waveguide devices and high performance active photonic devices including lasers. In this paper, we have investigated how to improve the thermal tolerance of the III-V-OI wafers and how to form low-resistance lateral p-i-n junctions on the III-V-OI wafers. We have found that the interface state between the III-V layer and the insulating layer is important for the thermal tolerance of the III-V-OI wafers. The interface state after high temperature process was found to be improved by the re-capping process and changing the bonding interface to SiO_2 from Al_2O_3. Then, we have formed lateral p-i-n junctions on the III-V-OI wafers using Si ion implantation and Zn diffusion process. By reducing the length of the 'i' layer, low resistance of 1.0 Ω・cm was obtained.
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Keyword(in English) Photonic integrated circuits / Wafer bonding / Thermal tolerance / Lateral PIN junctions / III-V CMOS photonics
Paper # OPE2014-146,LQE2014-133
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Conference Information
Committee LQE
Conference Date 2014/12/11(1days)
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Registration To Lasers and Quantum Electronics (LQE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Thermal Resistance Improvement and Low-resistance Lateral PIN Junction Formation Technique on III-V-OI Wafers
Sub Title (in English)
Keyword(1) Photonic integrated circuits
Keyword(2) Wafer bonding
Keyword(3) Thermal tolerance
Keyword(4) Lateral PIN junctions
Keyword(5) III-V CMOS photonics
1st Author's Name Yuki IKKU
1st Author's Affiliation Department of Electrical Engineering and Information Systems, University of Tokyo()
2nd Author's Name Mitsuru TAKENAKA
2nd Author's Affiliation Department of Electrical Engineering and Information Systems, University of Tokyo
3rd Author's Name Shinichi TAKAGI
3rd Author's Affiliation Department of Electrical Engineering and Information Systems, University of Tokyo
Date 2014-12-19
Paper # OPE2014-146,LQE2014-133
Volume (vol) vol.114
Number (no) 378
Page pp.pp.-
#Pages 4
Date of Issue