Oral presentation

14. Semiconductors B (Exploratory Materials, Physical Properties, Devices) » 14.2 Ultrathin films and quantum nanostructures

[17p-E15-1~15] 14.2 Ultrathin films and quantum nanostructures

Mon. Mar 17, 2014 1:15 PM - 5:30 PM E15 (E303)

△：Young Scientist Oral Presentation Award Applied
▲：English Presentation
▼：Both Award Applied and English Presentation

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Lunch 11:45〜13:15 (11:45 AM - 1:15 PM)

1:15 PM - 1:45 PM

[17p-E15-1] [Kashiko Kodate Award Speech]Effects of nuclear field fluctuation on carrier spin decoherence in semiconductor quantum dots

^○Reina Kaji¹ (Hokkaido Univ.¹)

1:45 PM - 2:00 PM

[17p-E15-2] Quantum State Tomography of Broadband Photon-echo Quantum Interface using a Quantum Dot Ensemble

^○Kazumasa Suzuki¹, Kouichi Akahane², Koichiro Konishi¹, Junko Ishi-Hayase¹ (Keio Univ.¹, National Institute of Information and Communications Technology(NICT)²)

2:00 PM - 2:15 PM

△ [17p-E15-3] Effect of stacked structure fabricated using strain compensation on dephasing time of InAs quantum dots

^○ryosuke Suemori¹, kouichi Akahane², junko Hayase¹ (Keio Univ.¹, NICT²)

2:15 PM - 2:30 PM

△ [17p-E15-4] Photoluminescence Dynamics of Low-Density InAs Quantum Dots on InP(311)B Substrate

^○Koichiro Konishi¹, Toru Takakuma¹, Kouichi Akahane², Osamu Kojima³, Junko Ishi-Hayase¹ (Keio Univ.¹, NICT², Kobe Univ.³)

2:30 PM - 2:45 PM

[17p-E15-5] Homogeneous linewidth of low-density InAs quantum dots on InP(311)B substrate

^○Toru Takakuma¹, Koichiro Konishi¹, Kyoko Hosoi¹, Ryosuke Suemori¹, Rei Hayashi¹, Koichi Akahane², Junko Hayase¹ (Keio Univ.¹, NICT²)

2:45 PM - 3:00 PM

▼ [17p-E15-6] Effect of Vertical Miniband on the Photovoltaic Performance of a Solar Cell with Quantum Dot Superlattice Fabricated by Using Bio-Template and Neutral Beam Etching Technology

^○Maksudur Mohammad Rahman^1,4, Makoto Igarashi⁵, Takeru Okada¹, Yusuke Hoshi², Noritaka Usami², Seiji Samukawa^1,3,4 (IFS, Tohoku Univ.¹, Nagoya Univ.², WPI-AIMR, Tohoku Univ.³, JST-CREST⁴, Tokyo Electron⁵)

3:00 PM - 3:15 PM

△ [17p-E15-7] Fabrication of High Density Sub 10 nm Ge Nanodisks and Its Optical Characteristics Using Bio-template and Neutral Beam Etching

^○Erman Mohd^1,5, Takeru Okada¹, Takuya Fujii^1,6, Hirotaka Endo⁶, Kohei Ito^3,5, Ichiro Yamashita^4,5, Seiji Samukawa^1,2,5 (IFS, Tohoku Univ.¹, WPI-AIMR, Tohoku Univ.², Keio Univ.³, NAIST⁴, JST-CREST⁵, Honda RD Co., Ltd.⁶)

Break 15:15〜15:30 (3:15 PM - 3:30 PM)

3:30 PM - 3:45 PM

△ [17p-E15-8] Optimization of High-Density GaAs Quantum Nanodisks Fabrication Process by the Combination of Bio-template and Neutral Beam Etching

^○Yosuke Tamura^1,5, Akio Higo², Cedric Thomas^1,5, Kenichi Yoshikawa¹, Takeru Okada¹, Yunpeng Wang³, Masakazu Sugiyama⁴, Yoshiaki Nakano⁴, Seiji Samukawa^1,2,5 (IFS, Tohoku Univ.¹, WPI-AIMR, Tohoku Univ.², RCAST, The Univ. of Tokyo³, School of Engineering, The Univ. of Tokyo⁴, JST-CREST⁵)

3:45 PM - 4:00 PM

[17p-E15-9] The Narrow Line-width Photoluminescence of GaAs Quantum Nanodisk mission by Combination of Bio-template and Neutral Beam Etching

^○Akio Higo¹, Yosuke Tamura^2,7, Takayuki Kiba^3,7, Cedric Thomas^2,7, Yunpeng Wang⁴, Ichiro Yamashita^5,7, Masakazu Sugiyama⁶, Yoshiaki Nakano^4,6, Akihiro Murayama^3,7, Seiji Samukawa^1,2,7 (WPI-AIMR, Tohoku Univ.¹, IFS, Tohoku Univ.², IST, Hokkaido Univ.³, RCAST, the Univ. of Tokyo⁴, NAIST⁵, Dep. of Eng., the Univ. of Tokyo⁶, JST-CREST⁷)

4:00 PM - 4:15 PM

[17p-E15-10] Picosecond Carrier Dynamics in Highly Uniform GaAs Quantum Nanodisks

^○Takayuki Kiba^1,4, Toru Tanaka¹, Yosuke Tamura^2,4, Akio Higo³, Seiji Samukawa^2,3,4, Akihiro Murayama^1,4 (IST, Hokkaido Univ.¹, IFS, Tohoku Univ.², WPI-AIMR, Tohoku Univ.³, JST-CREST⁴)

4:15 PM - 4:30 PM

△ [17p-E15-11] Fabrication of InGaAs Quantum Nanodisk by Bio-template and Neutral Beam Etching

^○Kenichi Yoshikawa¹, ChangYong Lee^1,4, Yosuke Tamura^1,4, Akio Higo², Cedric Thomas^1,4, Ichiro Yamashita^3,4, Seiji Samukawa^1,2,4 (IFS, Tohoku Univ.¹, WPI-AIMR, Tohoku Univ.², NAIST³, JST-CREST⁴)

4:30 PM - 4:45 PM

▼ [17p-E15-12] GaNAs/AlGaAs with Close-to-Ideal Absorption Energies for Intermediate Band Solar Cell Application

^○（PC）Martin Elborg¹, Takeshi Noda¹, Takaaki Mano¹, Yoshiki Sakuma¹, Kazuaki Sakoda^{1, 2}, Liyan Han¹ (NIMS¹, Tsukuba University²)

4:45 PM - 5:00 PM

[17p-E15-13] Femtosecond Time-Resolved Photocurrent Measurement in InAs Quantum Structures for Intermediate-Band Solar Cells

^○Yasuhiro Yamada¹, David Tex^1,2, Itaru Kamiya³, Yoshihiko Kanemitsu^1,2 (Kyoto Univ.¹, JST-CREST², Toyota Inst. Tech.³)

5:00 PM - 5:15 PM

[17p-E15-14] Fabrication and characterization of the PbS quantum dot superlattices using the template method

^○（M1）Yuta Shimizu¹, Iori Morimoto¹, Seisuke Nakashima^1,2, Kohki Mukai¹ (Yokohama National Univ. Graduate School of Engineering¹, RIKEN²)

5:15 PM - 5:30 PM

△ [17p-E15-15] Position control of PbS quantum dot by silicon template

^○Akinobu Hirota¹, Teppei Sakai¹, Seisuke Nakashima^1,2, Kouki Mukai¹ (Yokohama National University Graduate School of Engineering¹, RIKEN²)