Publications


[Letters and Articles]

[1] "Stimulated emission in ridge quantum wire laser structures measured with optical pumping and microscopic imaging methods"

Shinichi Watanabe , Shyun Koshiba, Masahiro Yoshita, Hiroyuki Sakaki, Motoyoshi Baba, and Hidefumi Akiyama
Appl. Phys. Lett. 73,511-513(1998).

abstract
pdf file (600 kB)


[2] "Selective molecular beam epitaxy (MBE) growth of GaAs/AlAs ridge structures containing 10 nm scale wires and side quantum wells (QWs) and their stimulated emission characteristics"

S. Koshiba, S. Watanabe Y. Nakamura, M. Yamauchi, M. Yoshita, M. Baba, H. Akiyama, and H. Sakaki
J. Crystal Growth 201/202,810-813(1999).

abstract
pdf file (320 kB)


[3]"Microscopy of electronic states contributing to lasing in ridge quantum-wire laser structures"

Shinichi Watanabe, Shyun Koshiba, Masahiro Yoshita, Hiroyuki Sakaki, Motoyoshi Baba, and Hidefumi Akiyama
Appl. Phys. Lett. 75,2190-2192(1999).

abstract
pdf file (220 kB)


[4] "Transformation of GaAs (001)-(111)B facet structure by surface diffusion during molecular beam epitaxy on patterned substrates"

S. Koshiba, Y. Nakamura, T. Noda, S. Watanabe, H. Akiyama, and H. Sakaki,
J. Cryst. Growth. 227/228, 62-66(2001).


[5] "Polarization dependence of the optical interband transition defined by the spatial variation of the valence p-orbital Bloch functions in quantum wires"

Shinichi Watanabe, Masahiro Yoshita, Shyun Koshiba, and Hidefumi Akiyama
To be published in Jpn. J. Appl. Phys. (August 2002).




[Proceedings and Technical Digests]

[6] "Fabrication and Control of GaAs/AlAs 10 nano-meter scale Structure by MBE"

S. Koshiba, S. Watanabe Y. Nakamura, I. Tanaka, T. Noda, T. Ngo, M. Yoshita, M. Baba, H. Akiyama, and H. Sakaki
Trans. MRS-J 24 [1], 93-96(1999)

abstract


[7] "Micro-optical spectroscopy, imaging, and polarization study of ridge quantum wire laser structures"

Shinichi Watanabe, Masahiro Yoshita, Motoyoshi Baba, Hidefumi Akiyama, Shyun Koshiba, and Hiroyuki Sakaki,
Technical Digest. Summaries of papers presented at the Quantum Electronics and Laser Science Conference, QTuF3, pp. 60-1 (1999).


[8]"Temperature dependence of carrier migration in ridge-shaped quantum-wire laser structures"

Shinichi Watanabe, Shyun Koshiba, Masahiro Yoshita, Motoyoshi Baba, Hiroyuki Sakaki, and Hidefumi Akiyama

Proceedings of the Sixth international symposium on advanced physical fields (APF-6), pp. 376-381(2001)


[9]"Photoluminescence properties of uniform InGaAs quantum dots fabricated by Heterogeneous Droplet Epitaxy"

T. Mano, S. Tsukamoto, N. Koguchi, S. Watanabe, M. Yoshita, H. Akiyama, K. Ono and M. Oshima,

Accepted for publication in the Proceedings of MRS


[10]"Effects of Post-Annealing on Photoluminescence Properties of GaAs Quantum Dots Grown by Droplet Epitaxy "

Katsuyuki Watanabe, Shiro Tsukamoto, Yasutaka Imanaka, Tadashi Takamasu, Giyu Kido, Yoshihiko Gotoh, and Nobuyuki Koguchi,Masahiro Yoshita, Shinichi Watanabe, and Hidehumi Akiyama

Submitted to the Proceedings of MRS