Oral presentation

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

[18p-A27-1~17] 14.2 Ultrathin films and quantum nanostructures

Thu. Sep 18, 2014 2:00 PM - 7:00 PM A27 (N302)

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

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Lunch 12:30～14:00 (12:30 PM - 2:00 PM)

2:00 PM - 2:45 PM

▲ [18p-A27-1] 「Invited lecture of overseas researcher」（45min.）
Broad Spectral Bandwidth Light Emitters for Biomedical Imaging

^○Richard Hogg¹ (Univ. Sheffield¹)

2:45 PM - 3:00 PM

[18p-A27-2] QD coupled cavity structure including pn junction fabricated by MBE and wafer-bonding

^○Takahiro Kitada¹, Chiho Harayama¹, Hiroto Ota¹, Tomohisa Maekawa¹, Hirofumi Takada¹, Xiangmeng Lu¹, Naoto Kumagai¹, Toshiro Isu¹ (Univ. of Tokushima¹)

3:00 PM - 3:15 PM

[18p-A27-3] Two-Color Emission from a GaAs/AlGaAs Coupled Cavity Structre with InAs QDs by Current Injection

^○Chiho Harayama¹, Toshihiro Uehara¹, Yoshinori Nakagawa^1,2, Xiangmeng Lu¹, Naoto Kumagai¹, Takahiro Kitada¹, Toshiro Isu¹ (Univ. of Tokushima¹, NICHIA Corp.²)

3:15 PM - 3:30 PM

[18p-A27-4] Four-wave mixing in GaAs/AlAs triple-coupled cavity with InAs quantum

^○Masanori Ogarane¹, Yukinori Yasunaga¹, Yoshinori Nakagawa^1,2, Ken Morita¹, Takahiro Kitada¹, Toshiro Isu¹ (Univ. of Tokushima¹, NICHIA Corp.²)

3:30 PM - 3:45 PM

▲ [18p-A27-5] Germanium Nano-Wires Fabrication And Size Control by Combined Top-Down Process Neutral Beam Etching And Hydrogen Radical Treatment

^〇M.T. Chentir^1,2, Takeru Okada¹, Naoyuki Kawai³, Kazumi Wada³, Seiji Samukawa^1,2,4 (Inst. of Fluid Sci., Tohoku Univ.¹, CREST Japan Sci. and Tech. Agency², Dept. of Mat. Eng., Univ. of Tokyo³, WPI-Advanced Inst. for Materials Res., Tohoku Univ.⁴)

3:45 PM - 4:00 PM

▼ [18p-A27-6] Optimization of Passivation Layer for a Quantum Dot Superlattice Fabricated with Bio-template and Neutral Beam Etching Technology for High Efficiency Solar Cell

^〇Mohammad Maksudur Rahman^1,4, Takeru Okada¹, Akio Higo³, Halubai Sekhar¹, Masakazu Sugiyama⁵, Yoshiaki Nakano⁵, Noritaka Usami², Seiji Samukawa^1,3,4 (Institute of Fluid Science, Tohoku University¹, Graduate School of Engineering, Nagoya University², WPI Advanced Institute for Materials Research, Tohoku University³, Japan Science and Technology Agency, CREST⁴, Graduate School of Engineering, the University of Tokyo⁵)

4:00 PM - 4:15 PM

▲ [18p-A27-7] Etching of InGaAs/GaAs layered structures by neutral beam etching for quantum dot laser applications

^〇(PC)Cedric Thomas^1,5, Chang Yong Lee^1,5, Kenichi Yoshikawa^1,5, Akio Higo², Takayuki Kiba^3,5, Ichiro Yamashita^4,5, Akihiro Murayama^3,5, Seiji Samukawa^1,2,5 (Inst. of Fluid Science, Tohoku Univ.¹, WPI-AIMR, Tohoku Univ.², Hokkaido Univ.³, Nara Inst. of Info. and Technol.⁴, JST-CREST⁵)

4:15 PM - 4:30 PM

[18p-A27-8] Optical response of InGaAs Quantum Nanodisks by Bio-template and Neutral Beam Etching

^○Akio Higo¹, Takayaki Kiba^2,7, Cedric Thomas^3,7, Chang-Yong Lee^3,7, Kenichi Yoshikawa³, Yosuke Tamura³, Ichiro Yamashita⁴, Yunpeng Wang⁵, Sodabunlu Hassanet⁵, Masakazu Sugiyama⁶, Yoshiaki Nakano⁶, Akihiro Murayama², Seiji Samukawa^1,3,7 (WPI-AIMR, Tohoku Univ.¹, Graduate School of IST, Hokakido Univ.², IFS, Tohoku Univ.³, NAIST⁴, RCAST, the Univ. of Tokyo⁵, School of Eng. the Univ. of Tokyo⁶, JST-CREST⁷)

Break 16:30～16:45 (4:30 PM - 4:45 PM)

4:45 PM - 5:00 PM

[18p-A27-9] Picosecond Dynamics of Carrier Capture in GaAs Quantum Disks Fabricated by Using Bio-template and Ultimate Top-down Etching

^○Takayuki Kiba^1,4, Akio Higo², Yosuke Tamura³, Cedric Thomas^3,4, Seiji Samukawa^2,3,4, Akihiro Murayama^1,4 (IST, Hokkaido Univ.¹, WPI-AIMR, Tohoku Univ.², IFS, Tohoku Univ.³, JST-CREST⁴)

5:00 PM - 5:15 PM

[18p-A27-10] Reflection pump-probe spectroscopy of electron-spin dynamics under magnetic fields in GaAs quantum disks fabricated by using bio-template and ultimate top-down etching

^○Toru Tanaka¹, Kiba Takayuki^1,4, Akio Higo², Yosuke Tamura³, Cedric Thomas^3,4, Seiji Samukawa^2,3,4, Akihiro Murayama^1,4 (Grad. School of IST, Hokkaido Univ.¹, WPI-AIMR, Tohoku Univ.², IFS, Tohoku Univ.³, JST-CREST⁴)

5:15 PM - 5:30 PM

[18p-A27-11] High-Density InGaN/GaN Quantum Nano-Structure Fabrication Process by the Combination of Bio-template and Neutral Beam Etching

^○(PC)ChangYong Lee^1,5, Akio Higo², Jitsuo Ohta³, Ichiro Yamashita^4,5, Hiroshi Fujioka^3,5, Seiji Samukawa^1,2,5 (IFS, Tohoku Univ.¹, WPI-AIMR, Tohoku Univ.², IIS, Univ. of Tokyo³, NAIST⁴, JST-CREST⁵)

5:30 PM - 5:45 PM

[18p-A27-12] Electrical Evaluation of Photo-stimulated Reaction for an InAs Quantum Dot Layer

^○Takuya Hoshii¹, Yoshitaka Okada¹ (RCAST, The Univ. of Tokyo¹)

5:45 PM - 6:00 PM

△ [18p-A27-13] Mesurements of Polarization-Selective Three-Pulse Photon Echoes in a Quantum Dot Ensemble

^○(M1)Shota Ichikawa¹, Kouichi Akahane², Kazumasa Suzuki¹, Junko Hayase¹ (Keio Univ.¹, NICT²)

6:00 PM - 6:15 PM

[18p-A27-14] Dark Exciton Effects on Single Photon Emissions from Quantum Dots in Nanocavities

^○Kenji Kamide¹, Satoshi Iwamoto^1,2, Yasuhiko Arakawa^1,2 (NanoQuine¹, IIS Univ. Tokyo²)

6:15 PM - 6:30 PM

[18p-A27-15] Study on SMF-based quantum dot photon sources with high NA collection lens

^○Takumi Harada¹, Satoru Odashima¹, Hidekazu Kumano¹, Ikuo Suemune¹ (RIES¹)

6:30 PM - 6:45 PM

[18p-A27-16] Charge control of semiconductor single quantum dots by two-laser excitation

^○Hideaki Nakajima¹, Takumi Harada¹, Hidekazu Kumano¹ (RIES¹)

6:45 PM - 7:00 PM

[18p-A27-17] Energy Structures of Biexciton in Quantum Dots Characterized by Two-color PLE

^○Hideki Gotoh¹, Haruki Sanada¹, Hiroshi Yamaguchi¹, Tetsuomi Sogawa¹ (NTT BRL¹)