# Dr Kiyotaka Hammura

Telephone : +44.1223.44.29.07 (Direct)

+44.1223.44.29.00 (Secretary)

Email: kh401 (add domain name : "cam.ac.uk")

## List of publications

**Journal articles :**

K. Hammura, H. Udono, I. J. Ohsugi, T. Aono, and E. De Ranieri, Thin Solid Films 519, 24, 8516 (2011),

*Magnetisation of bulk Mn11Si19 and Mn4Si7*K. Hammura, and D. Williams, J. Opt. A: Pure Appl. Opt. 11, 5, 054003 (2009),

*Derivation of the sensitivity of a Geiger mode avalanche photodiode detector from a given efficiency for quantum key distribution*X. Xu, F. Brossard, K. Hammura, D. Williams, B. Alloing, L. H. Li, and A. Fiore, Microelectron. J. 40, 4-5, 722 (2009),

*Recombination dynamics of single quantum dots in a fiber system at telecommunication wavelengths*X. Xu, F. Brossard, K. Hammura, D. Williams, B. Alloing, L. H. Li, and A. Fiore, Appl. Phys. Lett. 93, 2, 021124 (2008),

*"Plug and Play" single photons at 1.3 mu m approaching gigahertz operation*X. Xu, I. Toft, R. Phillips, J. Mar, K. Hammura, and D. Williams, Appl. Phys. Lett. 90, 6, 061103 (2007),

*"Plug and play" single-photon sources*X. Xu, I. Toft, J. Mar, K. Hammura, R. T. Phillips, and D. A. Williams, J. Phys.: Conference Series 61, 1, 1271 (2007),

*Single-photon sources with optical fibre integration*K. Hammura, and K. Sakai, J. Phys. Soc. Japan. 74, 3, 1067 (2005),

*Manifestation of classical non-integrability in magneto-oscillatory spectra in cuprous oxide*K. Hammura, S. Nomura, and Y. Aoyagi, Physica E 13, 2-4, PII S1386-9477(01)00531-8 (2002),

*Time-resolved photoluminescence near Fermi level in a field-induced quantum dot lattice*K. Hammura, K. Sakai, M. Seyama, and Y. Aoyagi, Computer Physics Communications 142, 1-3, 311 (2001),

*Interpretation of magneto-oscillatory spectra in cuprous oxide as quantum manifestation of classical non-integrability*T. Akane, K. Sugioka, K. Hammura, Y. Aoyagi, K. Midorikawa, K. Obata, K. Toyoda, and S. Nomura, J. Vac. Sci. Technol. B 19, 4, 1388 (2001),

*GaN ablation etching by simultaneous irradiation with F-2 laser and KrF excimer laser*T. Akane, K. Sugioka, S. Nomura, K. Hammura, N. Aoki, K. Toyoda, Y. Aoyagi, and K. Midorikawa, Appl. Surf. Sci. 168, 1-4, 335 (2000),

*F-2 laser etching of GaN*X. Tong, T. Shiokawa, K. Hammura, and Y. Aoyagi, Surface Science 457, 1-2, 294 (2000),

*Scanning tunneling microscopy evidence of a special bonding of Cu adatoms on Si(111)-root 3 x root 3-Ag surface - Direct observation of*

**Conference proceedings :**

K. Hammura, and D. Williams, Photon 2008 Conference, p054003 (2009),

*Derivation of the sensitivity of a Geiger mode avalanche photodiode detector from a given efficiency for quantum key distribution*X. Xu, F. Brossard, K. Hammura, D. Williams, B. Alloing, L. H. Li, and A. Fiore, International Conference on Superlattices, Nanostructures and Nanodevices, p722 (2009),

*Recombination dynamics of single quantum dots in a fiber system at telecommunication wavelengths*X. Xu, A. Andreev, F. Brossard, K. Hammura, and D. Williams, 9th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (ISQM-Tokyo 08), p246 (2009),

*InAs based quantum dots for Quantum Information Processing: From Fundamental Physics to ' Plug and Play' Devices*K. Hammura, and D. A. Williams, 9th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology ISOM-TOHYO'08, p (2008),

*Derivation of sensitivity of a Geiger mode APDS detector from a given efficiency to estimate total photon counts*A. J. Ramsay, A. P. Heberle, K. Hammura, and J. R. A. Cleaver, Conference on Lasers and Electro-Optics (CLEO), p2 pp. vol.1 (2004),

*Coherent control for femtosecond switching of vertical-cavity surface-emitting lasers*K. Hammura, S. Nomura, and Y. Aoyagi, 10th International Conference on Modulated Semiconductor Structures, pPII S1386-9477(01)00531-8 (2002),

*Time-resolved photoluminescence near Fermi level in a field-induced quantum dot lattice*K. Hammura, K. Sakai, M. Seyama, and Y. Aoyagi, Conference on Computational Physics 2000: New Challenges for the New Millenium, p311 (2001),

*Interpretation of magneto-oscillatory spectra in cuprous oxide as quantum manifestation of classical non-integrability*T. Akane, K. Sugioka, K. Obata, S. Nomura, K. Hammura, N. Aoki, K. Toyoda, Y. Aoyagi, and K. Midorikawa, Conference on Laser Applications in Microelectronic and Optoelectronic Manufacturing VI, p133 (2001),

*GaN etching by simultaneous irradiation of KrF excimer laser and F-2 laser*K. Hammura, K. Sakai, and M. Seyama, 25th International Conference on the Physics of Semiconductors (ICPS25), p117 (2001),

*Identification of fine structures of magneto-oscillatory spectra in cuprous oxide as quantum manifestation of classical non-integrability*T. Akane, K. Sugioka, S. Nomura, K. Hammura, N. Aoki, K. Toyoda, Y. Aoyagi, and K. Midorikawa, Spring Meeting of the European-Materials-Research-Society, p335 (2000),

*F-2 laser etching of GaN*T. Akane, K. Sugioka, S. Nomura, K. Hammura, K. Obata, N. Aoki, K. Toyoda, Y. Aoyagi, and K. Midorikawa, 1st International Symposium on Laser Precision Microfabrication, p70 (2000),

*F2 laser ablation of GaN*K. Hammura, K. Sakai, and M. Seyama, 5th International Conference on Computational Physics (ICCP5), p143 (2000),

*Analysis of magneto-oscillatory spectra in cuprous oxide, with classical "quasi-closed" unstable trajectories*K. Hammura, K. Sakai, M. Kobayashi, and A. Misu, 5th International Symposium on Research in High Magnetic Fields, p416 (1998),

*Assignment of quasi-Landau levels in magneto-oscillatory spectra in cuprous oxide to classical unstable trajectories of hydrogen type atoms*