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1

Characterization of Wavelength-Tunable Quantum Dot External Cavity Laser for 1.3-$mu$m-Waveband Coherent Light Sources

Yamamoto, Naokatsu, Akahane, Kouichi, Kawanishi, Tetsuya, Sotobayashi, Hideyuki, Yoshioka, Yuki, Takai, Hiroshi

Journal:

Japanese Journal of Applied Physics

Année:

2012

Langue:

english

Fichier:

PDF, 1.80 MB

english, 2012

2

[IEEE 2010 IEEE 22nd International Semiconductor Laser Conference (ISLC) - Kyoto, Japan (2010.09.26-2010.09.30)] 22nd IEEE International Semiconductor Laser Conference - Wavelength tunability of highly stacked quantum dot laser fabricated by a strain compensation technique

Akahane, Kouichi, Yamamoto, Naokatsu, Kawanishi, Tetsuya

Année:

2010

Langue:

english

Fichier:

PDF, 183 KB

english, 2010

3

[IEEE 2012 IEEE 23rd International Semiconductor Laser Conference (ISLC) - San Diego, CA, USA (2012.10.7-2012.10.10)] ISLC 2012 International Semiconductor Laser Conference - The dependence of the characteristic temperature of highly stacked InAs quantum dot laser diodes fabricated using a strain-compensation technique on stacking layer number

Akahane, Kouichi, Yamamoto, Naokatsu, Kawanishi, Tetsuya

Année:

2012

Langue:

english

Fichier:

PDF, 245 KB

english, 2012

4

[IEEE 2008 IEEE 21st International Semiconductor Laser Conference (ISLC) - Sorrento, Italy (2008.09.14-2008.09.18)] 2008 IEEE 21st International Semiconductor Laser Conference - Quantum-dot Fabry-Perot laser-diode with a 4-THz injection-seeding bandwidth for 1-μm optical-waveband WDM systems

Naokatsu Yamamoto,, Hideyuki Sotobayashi,, Kouichi Akahane,, Masahiro Tsuchiya,

Année:

2008

Langue:

english

Fichier:

PDF, 187 KB

english, 2008

5

[IEEE 2008 IEEE 21st International Semiconductor Laser Conference (ISLC) - Sorrento, Italy (2008.09.14-2008.09.18)] 2008 IEEE 21st International Semiconductor Laser Conference - Highly stacked quantum dot laser fabricated using a strain compensation technique

Kouichi Akahane,, Naokatsu Yamamoto,, Masahiro Tsuchiya,

Année:

2008

Langue:

english

Fichier:

PDF, 304 KB

english, 2008

6

Investigation of a 1.5-µm-wavelength InAs-quantum-dot absorption layer for high-speed photodetector

Umezawa, Toshimasa, Akahane, Kouichi, Kanno, Atsushi, Kawanishi, Tetsuya

Journal:

Applied Physics Express

Année:

2014

Langue:

english

Fichier:

PDF, 958 KB

english, 2014

7

[IEEE 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS) - Beijing, China (2014.8.16-2014.8.23)] 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS) - High-speed photonic device technologies in optical fiber connected millimeter-wave radar system for foreign object debris detection on runways

Yamamoto, Naokatsu, Umezawa, Toshimasa, Kanno, Atsushi, Akahane, Kouichi, Kawanishi, Tetsuya

Année:

2014

Langue:

english

Fichier:

PDF, 1.03 MB

english, 2014

8

A WDM/TDM Access Network Based on Broad T-Band Wavelength Resource Using Quantum Dot Semiconductor Devices

Idris, Nazirul Afham, Yamamoto, Naokatsu, Akahane, Kouichi, Yoshizawa, Katsumi, Tomomatsu, Yasunori, Sudo, Makoto, Hajikano, Tadashi, Kubo, Ryogo, Uesugi, Takuya, Kikuchi, Takahiro, Tsuda, Hiroyuki

Journal:

IEEE Photonics Journal

Année:

2016

Langue:

english

Fichier:

PDF, 1.53 MB

english, 2016

9

Bias-Free Operational UTC-PD above 110 GHz and Its Application to High Baud Rate Fixed-Fiber Communication and W-Band Photonic Wireless Communication

Umezawa, Toshimasa, Kanno, Atsushi, Kashima, Kenichi, Matsumoto, Atsushi, Akahane, Kouichi, Yamamoto, Naokatsu, Kawanishi, Tetsuya

Journal:

Journal of Lightwave Technology

Année:

2016

Langue:

english

Fichier:

PDF, 1.56 MB

english, 2016

10

Percolation of optical excitation mediated by near-field interactions

Naruse, Makoto, Kim, Song-Ju, Takahashi, Taiki, Aono, Masashi, Akahane, Kouichi, D'Acunto, Mario, Hori, Hirokazu, Thylén, Lars, Katori, Makoto, Ohtsu, Motoichi

Journal:

Physica A: Statistical Mechanics and its Applications

Année:

2017

Langue:

english

Fichier:

PDF, 3.12 MB

english, 2017

11

Fabrication of In(P)As Quantum Dots by Interdiffusion of P and As on InP(311)B Substrate

Akahane, Kouichi, Matsumoto, Atsushi, Umezawa, Toshimasa, Yamamoto, Naokatsu

Journal:

Année:

2020

Fichier:

PDF, 3.44 MB

2020

12

ChemInform Abstract: Discovery of Novel Thieno[2,3-d]pyrimidin-4-yl Hydrazone-Based Cyclin-Dependent Kinase 4 Inhibitors: Synthesis, Biological Evaluation and Structure—Activity Relationships.

Takao Horiuchi, Yasuyuki Takeda, Noriyasu Haginoya, Masaki Miyazaki, Motoko Nagata, Mayumi Kitagawa, Kouichi Akahane, Kouichi Uoto

Journal:

Année:

2012

Fichier:

PDF, 26 KB

2012

13

Effect of polysialic acid on the tumor xenografts implanted into nude mice

Takeshi Jimbo, Jun Nakayama, Kouichi Akahane, Minoru Fukuda

Journal:

International Journal of Cancer

Année:

2001

Langue:

english

Fichier:

PDF, 288 KB

english, 2001

14

Effects of β3-adrenoceptor stimulation on prostaglandin E2–induced bladder hyperactivity and on the cardiovascular system in conscious rats

Hiroo Takeda, Yoshinobu Yamazaki, Yasuhiko Igawa, Kouichi Kaidoh, Satoshi Akahane, Hiroshi Miyata, Osamu Nishizawa, Masuo Akahane, Karl-Erik Andersson

Journal:

Neurourology and Urodynamics

Année:

2002

Langue:

english

Fichier:

PDF, 207 KB

english, 2002

15

Discovery of novel thieno[2,3-d]pyrimidin-4-yl hydrazone-based inhibitors of Cyclin D1-CDK4: Synthesis, biological evaluation and structure–activity relationships. Part 2

Takao Horiuchi, Motoko Nagata, Mayumi Kitagawa, Kouichi Akahane, Kouichi Uoto

Journal:

Bioorganic & Medicinal Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 582 KB

english, 2009

16

Heteroepitaxial growth of GaSb on Si(0 0 1) substrates

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, Naoki Ohtani

Journal:

Journal of Crystal Growth

Année:

2004

Langue:

english

Fichier:

PDF, 216 KB

english, 2004

17

Initial growth stage of GaSb on Si(0 0 1) substrates with AlSb initiation layers

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, Akio Ueta, Naoki Ohtani

Journal:

Journal of Crystal Growth

Année:

2005

Langue:

english

Fichier:

PDF, 323 KB

english, 2005

18

Site control of very low density InAs QDs on patterned GaAs nano-wire surfaces

Akio Ueta, Kouichi Akahane, Sinichiro Gozu, Naokatsu Yamamoto, Naoki Ohtani, Masahiro Tsuchiya

Journal:

Journal of Crystal Growth

Année:

2007

Langue:

english

Fichier:

PDF, 413 KB

english, 2007

19

Optical properties of stacked InAs self-organized quantum dots on InP (3 1 1)B

Ryuji Oshima, Kouichi Akahane, Masahiro Tsuchiya, Hidemi Shigekawa, Yoshitaka Okada

Journal:

Journal of Crystal Growth

Année:

2007

Langue:

english

Fichier:

PDF, 505 KB

english, 2007

20

Metamorphic molecular beam epitaxy growth and selective wet etching for epitaxial layer lift-off of AlAsSb toward optical waveguides with high optical confinement

Shin-ichiro Gozu, Kouichi Akahane, Naokatsu Yamamoto, Akio Ueta, Naoki Ohtani, Masahiro Tsuchiya

Journal:

Journal of Crystal Growth

Année:

2007

Langue:

english

Fichier:

PDF, 357 KB

english, 2007

21

Evaluation of multi-stacked InAs/GaNAs self-assembled quantum dots on GaAs (0 0 1) grown using different As species

Ayami Takata, Ryuji Oshima, Yasushi Shoji, Kouichi Akahane, Yoshitaka Okada

Journal:

Journal of Crystal Growth

Année:

2011

Langue:

english

Fichier:

PDF, 369 KB

english, 2011

22

Wide-band emissions from highly stacked quantum dot structure grown using the strain-compensation technique

Kouichi Akahane, Naokatsu Yamamoto

Journal:

Journal of Crystal Growth

Année:

2011

Langue:

english

Fichier:

PDF, 577 KB

english, 2011

23

Long-wavelength light emission from InAs quantum dots covered by GaAsSb grown on GaAs substrates

Kouichi Akahane, Naokatsu Yamamoto, Naoki Ohtani

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2004

Langue:

english

Fichier:

PDF, 314 KB

english, 2004

24

Strong photoluminescence and laser operation of InAs quantum dots covered by a GaAsSb strain-reducing layer

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, Naoki Ohtani

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2005

Langue:

english

Fichier:

PDF, 217 KB

english, 2005

25

1.5 μm emission from InAs quantum dots with InGaAsSb strain-reducing layer grown on GaAs substrates

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, Akio Ueta, Naoki Ohtani

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2006

Langue:

english

Fichier:

PDF, 199 KB

english, 2006

26

Change in band configuration of quantum wells from type-II to type-I by increasing Sb composition x

Shin-ichiro Gozu, Kouichi Akahane, Naokatsu Yamamoto, Akio Ueta, Naoki Ohtani

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2006

Langue:

english

Fichier:

PDF, 125 KB

english, 2006

27

Optical communications waveband lasing from Sb-based quantum dot vertical-cavity laser

Naokatsu Yamamoto, Kouichi Akahane, Shin-Ichirou Gozu, Akio Ueta, Naoki Ohtani

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2006

Langue:

english

Fichier:

PDF, 165 KB

english, 2006

28

Intense photoluminescence from highly stacked quantum dash structure fabricated by strain-compensation technique

Kouichi Akahane, Naokatsu Yamamoto, Shin-Ichiro Gozu, Akio Ueta, Masahiro Tsuchiya

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2008

Langue:

english

Fichier:

PDF, 351 KB

english, 2008

29

Low-temperature growth of nanostructured InGaSb semiconductors on silicon substrates

Naokatsu Yamamoto, Kouichi Akahane, Shin-Ichirou Gozu, Akio Ueta, Masahiro Tsuchiya

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2008

Langue:

english

Fichier:

PDF, 325 KB

english, 2008

30

InAs/GaNAs strain-compensated quantum dots stacked up to 50 layers for use in high-efficiency solar cell

Ryuji Oshima, Ayami Takata, Yasushi Shoji, Kouichi Akahane, Yoshitaka Okada

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2010

Langue:

english

Fichier:

PDF, 805 KB

english, 2010

31

Growth of multi-stacked InAs/GaNAs quantum dots grown with As2 source in atomic hydrogen-assisted molecular beam epitaxy

Ayami Takata, Ryuji Oshima, Yasushi Shoji, Kouichi Akahane, Yoshitaka Okada

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2010

Langue:

english

Fichier:

PDF, 697 KB

english, 2010

32

Fabrication of metal/quantum dot/semiconductor structure on silicon substrate

Naokatsu Yamamoto, Kouichi Akahane

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2010

Langue:

english

Fichier:

PDF, 475 KB

english, 2010

33

Formation of InAs quantum dots at ultrahigh growth rates

Kouichi Akahane, Naokatsu Yamamoto

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2010

Langue:

english

Fichier:

PDF, 611 KB

english, 2010

34

Residual carrier density in GaSb grown on Si substrates

Kouichi Akahane, Naokatsu Yamamoto, Shin-ichiro Gozu, Akio Ueta, Naoki Ohtani

Journal:

Thin Solid Films

Année:

2006

Langue:

english

Fichier:

PDF, 176 KB

english, 2006

35

InGaAs quantum dots on GaAs(3 1 1)B substrates confined in AlGaAs barrier layers

Kouichi Akahane, Haizhi Song, Yoshitaka Okada, Mitsuo Kawabe

Journal:

Journal of Crystal Growth

Année:

2001

Langue:

english

Fichier:

PDF, 318 KB

english, 2001

36

Self-organized InGaAs quantum dots grown on GaAs (3 1 1)B substrate studied by conductive atomic force microscope technique

Yoshitaka Okada, Masashi Miyagi, Kouichi Akahane, Mitsuo Kawabe, Hidemi Shigekawa

Journal:

Journal of Crystal Growth

Année:

2002

Langue:

english

Fichier:

PDF, 470 KB

english, 2002

37

Fabrication of ultra-high density InAs-stacked quantum dots by strain-controlled growth on InP(3 1 1)B substrate

Kouichi Akahane, Naoki Ohtani, Yoshitaka Okada, Mitsuo Kawabe

Journal:

Journal of Crystal Growth

Année:

2002

Langue:

english

Fichier:

PDF, 376 KB

english, 2002

38

Role of Al in spacer layer on the formation of stacked InAs quantum dot structures on InP(3 1 1)B

Kouichi Akahane, Naokatsu Yamamoto, Naoki Ohtani, Yoshitaka Okada, Mitsuo Kawabe

Journal:

Journal of Crystal Growth

Année:

2003

Langue:

english

Fichier:

PDF, 340 KB

english, 2003

39

Self-organized quantum dots grown on GaAs(311)B by atomic hydrogen-assisted molecular beam epitaxy

Kouichi Akahane, Kenji Okino, Yoshitaka Okada, Mistuo Kawabe

Journal:

Solid-State Electronics

Année:

1998

Langue:

english

Fichier:

PDF, 697 KB

english, 1998

40

Formation of lateral-two-dimensional ordering in self-assembled InGaAs quantum dot on high index substrates

Kouichi Akahane, Huaizhe Xu, Yoshitaka Okada, Mitsuo Kawabe

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Année:

2001

Langue:

english

Fichier:

PDF, 225 KB

english, 2001

41

Ensemble effect on Rabi oscillations of excitons in quantum dots

Mamiko Kujiraoka, Junko Ishi-Hayase, Kouichi Akahane, Naokatsu Yamamoto, Kazuhiro Ema, Masahide Sasaki

Journal:

physica status solidi (a)

Année:

2009

Langue:

english

Fichier:

PDF, 415 KB

english, 2009

42

Fabrication of ultra-high-density InAs quantum dots using the strain-compensation technique

Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi

Journal:

physica status solidi (a)

Année:

2011

Langue:

english

Fichier:

PDF, 474 KB

english, 2011

43

Exciton coherence in semiconductor quantum dots

Junko Ishi-Hayase, Kouichi Akahane, Naokatsu Yamamoto, Mamiko Kujiraoka, Kazuhiro Ema, Masahide Sasaki

Journal:

physica status solidi (c)

Année:

2009

Langue:

english

Fichier:

PDF, 429 KB

english, 2009

44

High-density quantum dot superlattice for application to high-efficiency solar cells

Ryuji Oshima, Yoshitaka Okada, Ayami Takata, Shuhei Yagi, Kouichi Akahane, Ryo Tamaki, Kenjiro Miyano

Journal:

physica status solidi (c)

Année:

2011

Langue:

english

Fichier:

PDF, 243 KB

english, 2011

45

Broadband light source using modulated quantum dot structures with sandwiched sub-nano separator (SSNS) technique

Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, Hideyuki Sotobayashi, Hiroki Fujioka, Hiroshi Takai

Journal:

physica status solidi (c)

Année:

2011

Langue:

english

Fichier:

PDF, 149 KB

english, 2011

46

Optical gain of multi-stacked InAs quantum dots grown on InP(311)B substrate by strain-compensation technique

Ayami Takata, Kouichi Akahane, Naokatsu Yamamoto, Yoshitaka Okada

Journal:

physica status solidi (c)

Année:

2011

Langue:

english

Fichier:

PDF, 569 KB

english, 2011

47

Intraband relaxation process in highly stacked quantum dots

Osamu Kojima, Masataka Mamizuka, Takashi Kita, Osamu Wada, Kouichi Akahane

Journal:

physica status solidi (c)

Année:

2011

Langue:

english

Fichier:

PDF, 140 KB

english, 2011

48

Excitation power dependence of nonlinear optical response of excitons in GaAs/AlAs superlattices

Takae Yamashita, Osamu Kojima, Takashi Kita, Kouichi Akahane

Journal:

physica status solidi (c)

Année:

2011

Langue:

english

Fichier:

PDF, 263 KB

english, 2011

49

1.3-μm wavelength-tunable quantum-dot optical frequency comb generator integrated with absorptive optical attenuator

Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, Redouane Katouf, Hideyuki Sotobayashi, Yuki Yoshioka, Hiroshi Takai

Journal:

physica status solidi (c)

Année:

2012

Langue:

english

Fichier:

PDF, 298 KB

english, 2012

50

Fabrication of a GaAsSb/AlAsSb distributed Bragg reflector with a highly stacked InAs quantum dash structure on InP(001) substrate

Kouichi Akahane, Naokatsu Yamamoto

Journal:

physica status solidi (c)

Année:

2012

Langue:

english

Fichier:

PDF, 442 KB

english, 2012