Masahiro Nomura, Munetaka Arita, Satoshi Ashihara, Masao Nishioka, Yasuhiko Arakawa, Tsutomu Shimura, and Kazuo Kuroda: Photo-induced absorption change for InGaN film by violet laser diode: submitted to Phys. Stat. Sol..

J. Tatebayashi, S. Iwamoto, S. Kako, S. Ishida and Y. Arakawa: Optical Characteristics of Two-Dimensional Photonic Crystal Slab Nanocavities with Self-Assembled InAs Quantum Dots for 1.3 ? m light emission: Jpn. J. Appl. Phys., 42, 4B, 2391-2394 (2003).

T. Nakaoka, T. Kakitsuka, T. Saito, S. Kako, S. Ishida, M. Nishioka, Y. Yoshikuni, and Y. Arakawa:: Effect of strain variation on photoluminescence from InGaAs quantum dots in air-bridge structures. : Phys. Stat. Solidi (2003), 238(2), 289-292.

Y. Toda, T. Matsubara, R. Morita, and M. Yamashita, K. Hoshino, T. Someya, and Y. Arakawa: Two-photon absorption and multiphoton-induced photoluminescence of bulk GaN excited below the middle of the band gap: Applied Physics Letters 82 (26), 4714-4716, 2003.

Y. Toda, T. Matsubara, R. Morita, M. Yamashita, K. Hoshino, T. Someya and Y. Arakawa: Two-photon absorption and multiphoton-induced photoluminescence of bulk GaN excited below the middle of the bandgap: Applied Physics Letters 82, 4713 (2003).

T. Saito and Y. Arakawa: Polarization field and electronic states of GaN pyramidal quantum dots in AlN: Phys. Stat. Sol.(c), 0, 4, 1169 (2003).

Shiano Ono, Misaichi Takeuchi, and Takuji Takahashi: Surface Potential Imaging on InAs Quantum Dots and InAs Thin Films by Kelvin Prove Force Microscopy Operated in High Vacuum: Japanese Journal of Applied Physics, Vol. 42, No.7B, 4869-4873 (2003).

Daisuke Saida and Takuji Takahashi: Current-induced Magnetic Field Detection by Magnetic Force Microscopy around a GaAs/AlGaAs Mesa Stripe: Japanese Journal of Applied Physics, Vol. 42, No.7B, 4874-4877 (2003).

T. Sato, T. Yamada, W. Izumida, S. Tarucha, H.Z. Song, T. Miyazawa, Y. Nakata, T. Ohshima, and N. Yokoyama,: Single-electron transport through an individual InAs SAQD embedded in a graded-doped semiconductor nano-pillar: Phyica E.: Vol.21/2-4,pp506-510, (2003).

T.Ota, T. Hatano, K. Ono,  S. Tarucha, H.Z. Song, T. Nakata, T. Miyazawa, T. Ohshima, and N. Yokoyama,: Single electron spectroscopy in a single pair of weakly coupled  self-assembled InAs quantum dots: Physica E: Vol.22 pp510, (2004).

S. Kako, M. Miyamura, K. Tachibana, K. Hoshino, and Y. Arakawa: Size-dependent radiative decay time of excitons in GaN/AlN self-assembled quantum dots: Applied Physics Letters, Volume 83, Number5, pp. 984-986: 2003.

N. Sekine, Y. Shimada, and K. Hirakawa: Dephasing mechanisms of Bloch oscillations in GaAs/Al0.3Ga0.7As superlattices investigated by time-resolved terahertz spectroscopy: Applied Physics Letters, vol.83, No. 23, pp.4794-4796 (2003).

G. Weihs, H. Deng, R. Huang, M. Sugita, F. Tassone, and Y. Yamamoto: Exciton-polariton Lasing in a Microcavity: Semicond. Sci. Technol. 18, S386-S394 (2003).

M. -S. Nomura, M. Arita, S. Ashihara, S. Kako, M. Nishioka, Y. Arakawa, T. Shimura, and K. Kuroda: Thickness dependence of transient absorption spectrum for InGaN thin films: Phys. Stat. Sol. (c), 0, 7, 2606-2609 (2003).

N.Tang, B.Shen, Z.W.Zheng, J.Liu, D.J.Chen, J.Lu, R.Zhang, Y.Shi, Y.D.Zheng, Y.S.Gui, C.P.Jiang, Z.J.Qiu, S.L.Guo, J.H.Chu, K.Hoshino, T.Someya and Y.Arakawa: Magnetoresistance oscillations induced by intersubband scattering of two-dimensional electron gas in Al0.22Ga0.78N/GaN heterostructures: Journal of Applied Physics, Volume94, Number 8, 2003.

S. Kako, M. Miyamura, K. Hoshino, and Y. Arakawa: Long-lived excitons up to 1ms in GaN/AlN self-assembled quantum dots: Phys. Stat. Sol. (b), Volume 240, Number 2, pp. 388-391: 2003.

Young-Jun Yu and Wonho Jhe a), Y. Arakawa: High-resolution near-field spectroscopy of InAs single quantum dots at 70 K: Applied Physics Letters, vol 83, number 15, 13(2003).

Masahiro Nomura, Munetaka Arita, Satoshi Ashihara, Satoshi Kako, Masao Nishioka, Yasuhiko Arakawa, Tsutomu Shimura, and Kazuo Kuroda: Nondegenerate pump and probe spectroscopy in InGaN thin films: J. Appl. Phys. 94, 10, 6468-6471 (2003).

Y. Toda, T. Matsubara, R. Morita, K. Hoshino, T. Someya and Y. Arakawa: Efficient two-photon absorption of bulk GaN in the near-infrared region: Phys. Stat. Sol. (c) 0, 2627 (2003).

T. Inoue, Y. Toda, K. Hoshino, T. Someya, and Y. Arakawa: Raman study of the strain in GaN films by comparison with a free-standing GaN: Phys. Stat. Sol. (c) 0, 2428 (2003): 2003

Takuji Takahashi, Kan Takada, and Misaichi Takeuchi: Light-illuminated STM Studies on Photoabsorption in InAs Nanowires: Ultramicroscopy, Vol. 97, No.1-4, 1-6 (2003).

S. Teraoka, A. Numata, S. Amaha, K. Ono, and S. Tarucha,: Electron Spin Resonance and Nuclear Spin Pumping in 2DEG Quantum Hall System: to be published in Physica E.

T. Kodera, W.G. van der Wiel, K. Ono, S. Sasaki, T. Fujisawa, and S. Tarucha,: High-frequency manipulation of few-electron double quantum dots towards spin qubits,: to be published in Physica E.

Y. Toda, T. Matsubara, R. Morita, K. Hoshino, T. Someya and Y. Arakawa: Efficient two-photon absorption of bulk GaN in the near-infrared region: Phys. Stat. Sol. (c) 0, 2627 (2003).

T. Inoue, Y. Toda, K. Hoshino, T. Someya, and Y. Arakawa: Raman study of the strain in GaN films by comparison with a free-standing GaN: Phys. Stat. Sol. (c) 0, 2428 (2003).

H. Deng, G. Weihs, D. Snoke, J. Bloch and, Y. Yamamoto: Polariton Lasing vs. Photon Lasing in a Semiconductor Microcavity: Proceedings of the National Academy of Sciences 100, 15318-15323 (2003): 2003

T. Ota, M. Stopa, M. Rontani, T. Hatano, K. Yamada, S. Tarucha, H. Z. Song, Y. Nakata, T. Miyazawa, T. Ohshima and N. Yokoyama: Molecular states observed in a single pair of strongly coupled self-assembled InAs quantum dots: Superlattices and Microstructures:（Cond.-Mat./0401576): 2003.

K. Ono, D.G. Austing, and S. Tarucha,: Spin selective tunneling and blockade in two-electron double quantum dot,: Phys. Stat. Solid. Vol. 238. Pp335, (2003).

J.M. Elzerman, R. Hanson, J.S. Greidanus, L.H.W. van Beveren, S.De Franceschi, L.M.K. Vandersypen, S. Tarucha, L.P. Kouwenhoven,: Few-electron quantum dot circuit with integrated charged read out : Phys. Rev. B 67, pp161308 (2003).

S. Tarucha, D.G. Austing, S. Sasaki, K. Muraki, K. Ono, M. Barranco, A. Emperador, M. Pi, and F. Garcias,: A densit-functional-theory application to double quantum dots: Influence of mismatch on the addition energy spectra of vertical diatomic artificial molecules,: Int. J. of Quantum Chemistry Vo. 91, pp498, (2003).

M. Jung and K. Hirakawa: Lateral electron transport through single InAs quantum dots grown by molecular beam epitaxy: Physica E, vol.21, pp. 423-425 (2004).

K. Hirakawa, Y. Shimada, M. Odnoblioudov, and K. A. Chao: Dyanamical carrier transport and terahertz gain in semiconductor superlattices: Proc. SPIE Int. Soc. Opt. Eng., vol. 4992, pp.138 (2003).

Masayuki Muranaka and Takuji Takahashi: Dual Bias Modulation Method for Scanning Tunneling Spectroscopy: to be published in Japanese Journal of Applied Physics.

Hiroyuki Masuda, Misaichi Takeuchi, and Takuji Takahashi: Local Detection of Photocurrent of InAs Wire by Conductive AFM Tip: submitted to Japanese Journal of Applied Physics.

Shiano Ono and Takuji Takahashi: Size Dependence of Surface Potential on InAs Dots Studied by Kelvin Probe Force Microscopy: to be published in Japanese Journal of Applied Physics.

Daisuke Saida and Takuji Takahashi: Magnetic Field Observation Around a Current Flow by Magnetic Force Microscopy: to be published in Japanese Journal of Applied Physics.

T. Nakaoka, T. Kakitsuka, T. Saito, Y. Arakawa: Manipulation of electronic states in single quantum dots by micromachined air-bridge. : Applied Physics Letters (2004), 84(8), 1392-1394.

M. Nomura, M,Arita, S, Ashihara, M.Nishioka, Y.Arakawa, T, Shimura, K. Kuroda: Differential Absorption in InGaN Multiple Quantum Wells and Epilayers Induced by Blue-Violet Laser Diode: Japanese Journal of Applied Physics Vol. 43, No. 3A, 2004, pp. L 340-L 342.

Takuji Takahashi and Shiano Ono: Sample-and-Hold Imaging for Fast Scanning in Atomic Force Microscopy: Japanese Journal of Applied Physics, Vol.43, No.4B, L582-L584 (2004).

Y. Toda、R. Morita, T. Nakaoka, M. Yamashita, T. Inoue, and Y. Arakawa: Selective excitation of self-assembled quantum dots by using shaped pulse: Physica E 21, 180 (2004).

T. Nakaoka, J. Tatebayashi, Y. Arakawa. : Spectroscopy on single columns of vertically aligned InAs quantum dots. : Physica E: Low-Dimensional Systems & Nanostructures (Amsterdam, Netherlands) (2004), 21(2-4), 409-413.

G. Weihs, H. Deng, D. Snoke, and Y. Yamamoto: Polariton Lasing in a Microcavity: to be published in Physica Status Solidi.

Toshihiro Nakaoka, Takaaki Kakitsuka, Toshio Saito and Yasuhiko Arakawa: Transition Energy Control via Strain in Single Quantum Dots Embedded in Micromachined Air-Bridge: Japanese Journal of Applied Physics  Vol. 43, No. 4B, 2004, pp.2069-2072.

T. Nakaoka, J. Tatebayashi, T.Saito and Y. Arakawa: Carrier relaxation in closely stacked InAs quantum dots: to be published in J. Appl. Phys..

M. Rontani, S. Amaha, K. Muraki, F. Manghi, E. Molinari, S. Tarucha, and D.G. Austing: Molecular phases in coupled quantum dots: Phys. Rev. B 69, pp85372, (2004).

K. Hirakawa, Y. Shimada, M. Odnoblioudov, and K. A. Chao: Dynamical carrier transport and terahertz gain in semiconductor superlattices: Photonic West (Ultrafast Phenomena in Semiconductors VII), San Jose, California, U.S.A.: 2003.

K. Hirakawa, Y. Shimada, and S. Madhavi: Bloch oscillations and inversionless gain in semiconductor superlattices: International Symposium on Carrier Interactions and Spintronics in Nanostructures, Atsugi, Kanagawa, Japan: 2003.

M. Jung, S.-W. Lee, and K. Hirakawa: Lateral Single Electron Transistors using InAs Self-Assembled Quantum Dots: International Symposium on Carrier Interactions and Spintronics in Nanostructures, Atsugi, Kanagawa, Japan: 2003.

M.-S. Nomura, M. Arita, S. Ashihara, S. Kako, M. Nishioka, Y. Arakawa, T. Shimura, and K. Kuroda: Thickness dependence of transient absorption spectrum for InGaN thin films: 5th International Conference on Nitride Semiconductors, Mo-P1.114, p.531, Nara, Japan(2003).

T. Inoue, T. Matsubara, Y. Toda, K. Hoshino, T. Someya, and Y. Arakawa: Raman study of the residual strain in GaN films by the comparison with a bulk crystal: The 5th International Conference on Nitride Semiconductors (ICNS-5), Nara, Japan: 2003.

T. Matsubara, Y. Toda, R. Morita, M. Yamashita, K. Hoshino, T. Someya, and Y. Arakawa: Efficient two-photon absorption of bulk GaN in the near-infrared region: The 5th International Conference on Nitride Semiconductors (ICNS-5), Nara, Japan: 2003.

Y. Toda, T. Inoue, T. Nakaoka, R. Morita, M. Yamashita, and Y. Arakawa: Multicolor excitation spectroscopy of single self-assembled quantum dots: 1st International Congress on Bio-Nanointerface (ICBN 2003 ), Tokyo, Japan: 2003.

Takuji Takahashi and Shiano Ono: Influences of Tip-Sample Distance on KFM Measurements: Oxford 2003: Scanning Probe Microscopy, Sensors and Nanostructures, S17, Oxfordshire, UK: 2003.

Daisuke Saida and Takuji Takahashi: Magnetic Field Detection for Current Evaluation by Magnetic Force Microscopy: Oxford 2003: Scanning Probe Microscopy, Sensors and Nanostructures, Sensors I-5, Oxfordshire, UK: 2003.

T. Matsubara, Y. Toda, R. Morita, M. Yamashita, K. Hoshino, T. Someya, and Y. Arakawa: Efficient two-photon absorption of bulk GaN in the near-infrared region: The 5th International Conference on Nitride Semiconductors (ICNS-5), Nara, Japan: 2003.

T. Inoue, T. Matsubara, Y. Toda, K. Hoshino, T. Someya, and Y. Arakawa: Raman study of the residual strain in GaN films by the comparison with a bulk crystal: The 5th International Conference on Nitride Semiconductors (ICNS-5), Nara, Japan: 2003.

G. Weihs, H. Deng, C. Santori, and Y. Yamamoto: Dynamic Condensation of Microcavity Exciton Polaritons: The European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference (CLEO/Europe EQEC 2003), EE1-1, Munich, Germany: 2003.

T. Nakaoka, T.Tatebayashi, and Y. Arakawa: Spectroscopy on single columns of vertically aligned InAs quantum dots: The 11th International Cnference on Modulated Semiconductor Structures,  Nara, Japan(2003).

Y. Toda, R. Morita, T. Nakaoka, M. Yamashita, T. Inoue, Y. Arakawa: Selective Excitation of Self-assembled Quantum Dots by using Shaped Pulse: 11th International Conference on Modulated Semiconductor Structures, Nara, Japan: 2003.

Y. Toda, T. Inoue, R. Morita, M. Yamashita, T.Nakaoka, and Y. Arakawa(Invited): Multiple-pulse excitation spectroscopy of individual self-assembled quantum dots: International Workshop on Quantum Nonplanar Nanostructures & Nanoelectronics, Awaji-shima, Japan (2003).

Takuji Takahashi, Kan Takada, Hiroyuki Masuda, and Misaichi Takeuchi: Photo-induced Conductance Properties in InAs Nanostructures Studied by STM and AFM under Light Illumination: 3rd International Symposium on Scanning Probe Spectroscopy and Related Methods (SPS'03), P26, Poznan, Poland: 2003.

Daisuke Saida and Takuji Takahashi: Low Current Detection by Magnetic Force Microscopy: The 12th International Conference on Scanning Tunneling Microscopy/Spectroscopy and Related Techniques (STM'03), Mo-Pos-61, Eindhoven, Netherlands: 2003.

Shiano Ono, Misaichi Takeuchi, and Takuji Takahashi: Influences of Tip-to-sample Distance on KFM Measurements: The 12th International Conference on Scanning Tunneling Microscopy/Spectroscopy and Related Techniques (STM'03), Mo-Pos-53, Eindhoven, Netherlands: 2003.

H. Deng, G. Weihs, and Y. Yamamoto: Polariton Condensation vs. Photon Lasing in a Semiconductor Microcavity: 16th International Conference on Laser Spectroscopy (ICOLS 03), Palm Cove, Australia: 2003.

T.Ota, T. Hatano, T. Sato, S. Tarucha, H.Z. Song, T. Nakata, T. Miyazawa, T. Ohshima, and N. Yokoyama,: Transport properties of a single pair of coupled self-assembled InAs quantum dots: 15th International Conference on Electronic Properties of Two-Dimensional Systems, Nara, Japan: 2003.

T. Sato, T. Yamaguchi, W. Izumida, S. Tarucha, H. Z. Song, T. Miyazawa, Y. Nakata, T. Ohsima, and N. Yokoyama,: Single-electron transport through an individual IｎAs SAD embedded in a graded-doped nano-scale pillar: 11th International Conference on Modulated Semiconductor Structure Structures, MSS11, Nara, Japan, PC6, p383: 2003.

T.Ota, T. Hatano,  S. Tarucha, H.Z. Song, T. Nakata, T. Miyazawa, T. Ohshima, and N. Yokoyama,: Single electron spectroscopy in a single pair of coupled self-assembled InAs quantum dots: Frontiers of Nanoscale Science and Technology, Univ. of Tokyo, Komaba: 2003.

M. Jung and K. Hirakawa: Lateral electron transport through single InAs quantum dots: 11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan: 2003.

Y. Shimada, N. Sekine, and K. Hirakawa: Inter-miniband resonant Zener tunneling in wide-miniband GaAs/Al0.3Ga0.7As superlattices investigated by THz emission spectroscopy: 11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan: 2003.

N. Sekine, Y. Shimada, and K. Hirakawa: Bloch gain in AlGaAs/GaAs semiconductor superlattices: 11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan: 2003

N. Sekine, Y. Shimada, and K. Hirakawa: Bloch gain in semiconductor superlattices: US-Japan Workshop on the Frontiers of Nanoscale Science and Technology, Komaba, Tokyo: 2003.

M. Jung and K. Hirakawa: Single electron transport through single InAs quantum dots probed by nanogap electrodes: US-Japan Workshop on the Frontiers of Nanoscale Science and Technology, Komaba, Tokyo: 2003.

K. Hirakawa: Bloch gain in semiconductor superlattices: US-Japan Workshop on the Frontiers of Nanoscale Science and Technology, Komaba, Tokyo: 2003.

K. Hirakawa, N. Sekine, and Y. Shimada: Bloch gain in semiconductor superlattices: UK-Japan 10+10 Meeting on Nanoelectronics, Toba, Japan: 2003.

S. Kako, M. Miyamura, K. Hoshino, Y. Arakawa: Long-lived excitons up to 1 ms in GaN/AlN self-assembled quantum dot: 5th International Conference on Nitride Semiconductor: 2003.

T. Nakaoka, J. Tatebayashi, and Y. Arakawa: Non-resonant tunneling processes in vertically stacked InAs quantum dots: Internal Symposium on Quantum Dots and Photonic Crystals 2003 (QDPC2003), Univ. of Tokyo,Tokyo, Japan, 2003.

Y. Arakawa: Optical properties of InAs and GaN based single quantum dots: 8th Internationa Conference of Optics of Excitons in Confined Systems, Lecce, Italy,2(2003).

T. Nakaoka, T.Kakitsuka, T. Saito, and Y. Arakawa: Demonstration of MEMS-Controlled Electronic States in Single Quantum dots: 2003 International Conference on Solid State Devices and Materials, Tokyo, Japan (2003).

N. Sekine, Y. Shimada, and K. Hirakawa: Bloch gain in AlGaAs/GaAs superlattices investigated by time-domain THz emission spectroscopy: 11th IEEE International Conference on Terahertz Electronics (THz2003), Sendai, Japan: 2003.

Y. Shimada, N. Sekine, and K. Hirakawa: Inter-miniband Resonant Zener Tunneling in Wide-Miniband GaAs/Al0.3Ga0.7As Superlattices Investigated by THz Emission Spectroscopy: 11th IEEE International Conference on Terahertz Electronics (THz2003), Sendai, Japan: 2003.

H. Sakuma, K. Ikushima, S. Komiyama, and K. Hirakawa: THz imaging of quantum Hall effect devices: 11th IEEE International Conference on Terahertz Electronics (THz2003), Sendai, Japan: 2003.

M. Jung and K. Hirakawa: Single electron transport through single InAs quantum dots probed by nanogap eectrodes: 2003 International Conference on Solid State Devices and Materials (SSDM2003), Tokyo, Japan: 2003.

K. Hirakawa, N. Sekine, Y. Shimada, M. Odnoblioudov, and K. A. Chao: Bloch gain in semiconductor superlattices : 28th International Conference on Infrared and Millimeter Waves (IRMMW2003), Otsu, Japan: 2003.

N. Sekine, Y. Shimada, and K. Hirakawa: Relaxation mechanism of Bloch oscillations in AlGaAs/GaAs superlattices investigated by time-domain terhertz spectroscopy: International Conference on Intersubband Transitions in Quantum Wells (ITQW2003), Evolene, Switzerland: 2003.

M. -S. Nomura, M. Arita, S. Ashihara, S. Kako, Y. Arakawa, T. Shimura, and K. Kuroda: Transient photo-induced absorption in InGaN thin films: The 16th Annual Meeting of the IEEE Lasers & Electro-Optics Society, Tucson, Arizona, USA(2003).

Y. Toda, T. Matsubara, S. Kako, T. Nakaoka, M. Nishioka, S. Ishida, and Y. Arakawa: A study of carrier-phonon interactions in single InGaAs self-assembled quantum dots : Workshop on Quantum Nonplanar Nanostructureｓ & Nanoelectronics '02 (QNN '02) : 2003.

T. Saito and Y. Arakawa (invited): Atomistic Calculation of Electronic States in III-V Nitride Quantum Dots: 3rd International Conference on Numerical Simulation of Semiconductor Optoelectronic Devices, MA1, pp.1-4, Tokyo, Japan (2003).

G. Weihs, H. Deng, D. Snoke, J. Bloch, and Y. Yamamoto: Dynamic BEC of Cavity Polaritons: European Research Conferences on Quantum Optics (EURESCO Conference:03-005), Granada, SPAIN [Invited]: 2003.

H. Deng, G. Weihs, D. Snoke, J. Bloch, and Y. Yamamoto: Polariton Lasing vs. Photon Lasing in a Semiconductor Microcavity: 3rd Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN 3), Sicily, ITALY: 2003.

H. Deng, G. Weihs, D. Snoke, J. Bloch, and Y. Yamamoto: Dynamic Condensation of Cavity Polaritons: The 87th OSA Annual Meeting 2003 FiO/LS (Frontiers in Optics/Laser Science XIX), Tucson, Arizona: 2003.

S. Kako, K. Hoshino, and Y. Arakawa: Single dot spectroscopy of GaN/AlN self-assembled quantum dot: International symposium on quantum dot and photonic crystals 2003.

T. Saito, T. Nakaoka, T. Kakitsuka, Y. Yoshikuni, and Y. Arakawa: Strain Distribution and Electronic States in Stacked InAs/GaAs Quantum Dots: International Symposium on Quantum Dots and Photonic Crystals 2003, P-20, Tokyo, Japan (2003).

Takuji Takahashi, Shiano Ono, Kan Takada, Daisuke Saida, and Hiroyuki Masuda: Nanoscale Characterization of Electronic and Optical Properties in Nanostructures by Scanning Probe Methods: The 5th International Workshop on Future Information Precessing Technologies (IWFIPT 2003), P2-4, Miiyazaki, Japan: 2003.

Daisuke Saida and Takuji Takahashi: Current-induced Magnetic Field Detection around a GaAs/AlGaAs Mesa Stripe by Magnetic Force Microscopy: 7th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-7), 20B56, Nara, Japan: 2003.

Shiano Ono and Takuji Takahashi: Size Dependence of Surface Potential on InAs Quantum Dots: International Symposium on Quantum Dots and Photonic Crystals 2003 (QDPC2003), P-17, Tokyo, Japan: 2003.

T.Ota, M. Stopa, T. Hatano, K. Yamada, S. Tarucha, H. Z. Song, T. Nakata, T. Miyazawa, T. Ohshima, and N. Yokoyama,: Molecular states observed in a single pair of strognly coupled self-assembled InAs quantum dots: Sixth International Conference on New Phenomena in Mesoscopic Systems. Fouth International Conference on surface and Intefaces of Mesoscopic Devices, Maui, Hawaii. USA: 2003.

T.Ota, K. Ono, M. Rontani, M. Stopa, T. Hatano, K. Yamada, S. Tarucha, H. Z. Song, T. Nakata, T. Miyazawa, T. Ohshima, and N. Yokoyama,: Chariging spectroscopy of a single pair of coupled self-assembled InAs quantum dots embedded in a sub-micron sized single elctron transistor: International Symposium on Quantum Dots and Photonic Crystals (QDPC2003), U. Tokyo, Komaba campus,: 2003.

K. Hirakawa, M. Jung, G. Segami, S. W. Lee, Y. Arakawa, and S. Komiyama: Electronic structures of self-assembled InAs quantum dots investigated by infrared and tunneling spectroscopy−Toward high-sensitivity MIR photodetectors−: International Symposium on Quantum Dots and Photonic Crystals (QDPC2003), Komaba, Tokyo: 2003.

K. Hirakawa, N. Sekine, Y. Shimada, S. Madhavi, K. A. Chao, M. Odonoblioudov, and K. Jin: Bloch Oscillations and Inversionless Gain in Semiconductor Superlattices: Solid State Physics Seminar, Institute of Physics, Chinese Academiy of Science, Beijing, China: 2003.

Y. Toda, T. Inoue, T. Nakaoka, S. Ishida and Y. Arakawa (Invited) : Optical characterization of strong carrier-phonon interactions in single quantum dots: Fifth Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PR 2003), Taipei, Taiwan (2003).

Masayuki Muranaka and Takuji Takahashi: Dual Bias Modulation Method for Scanning Tunneling Spectroscopy: The 11th International Colloquium on Scanning Probe Microscopy, P-38, Atagawa, Japan: 2003.

Hiroyuki Masuda, Misaichi Takeuchi, and Takuji Takahashi: Local Detection of Photocurrent of InAs Wire by Conductive AFM Tip: The 11th International Colloquium on Scanning Probe Microscopy, S8-4, Atagawa, Japan: 2003.

Shiano Ono and Takuji Takahashi: Size Dependence of Surface Potential on InAs Dots Studied by Kelvin Probe Force Microscopy: The 11th International Colloquium on Scanning Probe Microscopy, S8-5, Atagawa, Japan: 2003.

Daisuke Saida and Takuji Takahashi: Magnetic Field Observation Around a Current Flow by Magnetic Force Microscopy: The 11th International Colloquium on Scanning Probe Microscopy, S9-4, Atagawa, Japan: 2003.

Daisuke Saida and Takuji Takahashi: Spatially Resolved Observation of Current-Induced Magnetic Field by Magnetic Force Microscopy: 9th Joint MMM-Intermag Conference, GW-04, Anaheim, USA: 2003.

K. Hirakawa, N. Sekine, Y. Shimada, M. Odnoblioudov, and K. A. Chao: Inversionless Bloch gain in semiconductor superlattices: 6th Japan-Sweden Joint QNANO Workshop, Sigtuna, Sweden: 2003.

R. A. Taylor, J. D. Smith, J. H. Rice, J. F. Ryan, T. Someya, and Y. Arakawa: Time-resolved gain dynamics in InGaN MQWs using a Kerr gate: Physica E-Low-Dimensional Systems & Nanostructures 17 (1-4), 255-257, 2003.

K. Hirakawa, N. Sekine, Y. Shimada, S. Madhavi, M. Abe, K. Tomizawa, M. Odnoblioudov, and K. A. Chao: Photonic characterization of terahertz electron dynamics: 7th International Symposium on Contemporary Photonics Technology, Tokyo, Japan: 2004.

Masahiro Nomura, Munetaka Arita, Satoshi Ashihara, Masao Nishioka, Yasuhiko Arakawa, Tsutomu Shimura, and Kazuo Kuroda: Photo-induced absorption change for InGaN film by violet laser diode: The 5th International Symposium on Blue Laser and Light Emitting Diodes, Gyeongju, Korea, Tu-B2: 2004.

K. Hirakawa, N. Sekine, T. Kondo, Y. Otsuka, and S. Murase: Terahertz carrier dynamics in ultrafast electron devices and quantum nanostructures: International Symposium on Electronics for Future Generations, University of Tokyo, Tokyo: 2004

K. Hirakawa, M. Jung, A. Umeno, T. Akasaka, S. Komiyama, and Y. Arakawa: Fabrication of nanoscale junctions and their transport properties: International Symposium on Electronics for Future Generations, University of Tokyo, Tokyo: 2004.

Shiano Ono and Takuji Takahashi: Sample-and-Hold Operation for Potential Determination in Kelvin Probe Force Microscopy: Beijing - TEDA 2004: Scanning Probe Microscopy, Sensors and Nanostructures, Tianjin, China: 2004.

Takuji Takahashi and Shiano Ono: Sample-and-Hold Atomic Force Microscopy for Fast Operation: Beijing - TEDA 2004: Scanning Probe Microscopy, Sensors and Nanostructures, Tianjin, China: 2004.

Shiano Ono and Takuji Takahashi: Precise Potential Determination by Sample-and-Hold Kelvin Probe Force Microscopy: Joint Conference of 16th International Vacuum Congress (IVC-16), 12th International Conference on Solid Surfaces (ICSS-12), 8th International Conference on Nanometer-Scale Science and Technology (NANO-8), and 17th Vacuum National Symposium (AIV-17), Venice, Italy: 2004.

Takuji Takahashi and Shiano Ono: Sample-and-Hold Operation in Atomic Force Microscopy for Fast Scanning: Joint Conference of 16th International Vacuum Congress (IVC-16), 12th International Conference on Solid Surfaces (ICSS-12), 8th International Conference on Nanometer-Scale Science and Technology (NANO-8), and 17th Vacuum National Symposium (AIV-17), Venice, Italy: 2004.

Daisuke Saida and Takuji Takahashi: A Novel Method of Current-Induced Magnetic Field Detection by Magnetic Force Microscopy: Joint Conference of 16th International Vacuum Congress (IVC-16), 12th International Conference on Solid Surfaces (ICSS-12), 8th International Conference on Nanometer-Scale Science and Technology (NANO-8), and 17th Vacuum National Symposium (AIV-17), Venice, Italy: 2004.

T. Nakaoka, T. Saito, H. Z. Song, T. Usuki, and Y. Arakawa: Characterization of g-factors in various In(Ga)As quantum dots: 27th International Conference on the Physics of Semiconductors , July , 2004 Flagstaff, Arizona: 2004.