N. Matsumoto, K. Kaneko, H. Imaizumi, H. Morikawa, and T. Aoyama
"Self-Routed Optical Switching Networks Using Preamble Delaying Label Update Mechanism"
IEICE TRANSACTIONS on Communications, Vol.J91-B, No.10, pp.1244-1253, Oct. 2008.pdf
G. Brogi, M. Suzuki, H. Imaizumi, H. Morikawa, R. Suzuki, and T. Nagata
"Reducing Idle Power Consumption in MapReduce using Low-Power Heartbeats"
in Proceedings of the 17th International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS 2012), London, UK, Mar. 2012. (Poster)pdf
Y. Okamura, H. Imaizumi, K. Hisadome, O. Ishida, Y. Sekiya, and H. Morikawa
"An Evaluation of Effects on Packet Loss Rate by Optical Packet Multiplexing Based on BGP Flow Aggregation"
in Proceedings of PS2010 (Photonics in Switching 2010), Monterey, California, USA, July 2010.pdf
N. P. Le, T. Morohashi, H. Imaizumi, and H. Morikawa
"A Performance Evaluation of Energy Efficient Schemes for Green Office Networks"
in Proceedings of the 2nd IEEE Green Technologies Conference, Dallas, USA, Apr. 2010.pdf
H. Li, H. Imaizumi, T. Tanemura, Y. Nakano, and H. Morikawa
"Demonstration of Hybrid Optical Ring Network Combining Multi-Wavelength OPS and OCS"
In Proceedings of the OFC/NFOEC 2010, OTuM6, San Diego, USA, Mar. 2010.pdf
H. Imaizumi, T. Nagata, G. Kunito, K. Yamazaki, and H. Morikawa
"Power Saving Mechanism based on Simple Moving Average for 802.3ad Link Aggregation"
in Proceedings of the 2nd International Workshop on Green Communications (GreenComm2), Hawaii, USA, Dec. 2009pdf
Y. Okamura, H. Imaizumi, K. Hisadome, O. Ishida, Y. Sekiya, and H. Morikawa
"Packet Multiplexing based on BGP Routing Information on Slotted OPS Networks"
in Proceedings of International Conference on Photonics in Switching 2009 (PS2009), ThⅡ1-4, Pisa, Italy, Sep. 2009.pdf
H. Li, H. Imaizumi, T. Tanemura, Y. Nakano, and H. Morikawa
"Experimental Study on Dynamic Range of SOA Switch for Multi-Wavelength Optical Packet Switching"
in Proceedings of International Conference on Photonics in Switching 2009 (PS 2009), WeI3 - 7 , Pisa, Italy, Sep. 2009.pdf
H. Imaizumi, H. Morikawa
"Directions towards Future Green Internet"
in Proceedings of to the 12th International Symposium on Wireless Personal Multimedia Communications (WPMC’09), Sendai, Sep. 2009.pdf
Y. Okamura, H. Imaizumi, K. Hisadome, O. Ishida, and H. Morikawa
"Performance Evaluation of Packet Multiplexing with Flow Aggregation in Multi-Wavelength Optical Packet Networks"
in Proceedings of the 14th OptoElectronics and Communications Conference (OECC2009), WB1, Hong Kong, July 2009.pdf
H. Imaizumi, K. Watabe, T. Tanemura, Y. Nakano, and H. Morikawa
"280Gb/s Hybrid Optical Switching Demonstration Combining Circuit and Multi-Wavelength Packet"
in Proceedings of the 14th OptoElectronics and Communications Conference (OECC2009), WB2, Hong Kong, July 2009.pdf
M. Takagi, H. Imaizumi, T. Tanemura, S. Iio, M. Suehiro,Y. Nakano, and H. Morikawa
"200Gb/s Multi-Wavelength Optical Packet Switching with 2ns Ultra-fast Optical Switch"
in Proceedings of the 14th OptoElectronics and Communications Conference (OECC2009), WB5, Hong Kong, July 2009.pdf
H. Li, M. Takagi, H. Imaizumi, and H. Morikawa
"Preliminary Demonstration of Hybrid Optical Switching Node with Dynamic Wavelength Resource Allocation using SOA Switch"
in Proceedings of the 14th OptoElectronics and Communications Conference (OECC2009), FB1, Hong Kong, July 2009.pdf
M. Takagi, H. Li, K. Watabe, H. Imaizumi, T. Tanemura, Y. Nakano, and H. Morikawa
"400Gb/s Hybrid Optical Switching Demonstration Combining Multi-Wavelength OPS and OCS with Dynamic Resource Allocation"
in Proceedings of the Optical Fiber Communication Conference and Exposition (OFC 2009), San Diego, California, USA, Mar. 2009.pdf
K. Machida, H. Imaizumi, H. Morikawa, and J. Murai
"A RWA Performance Comparison for Hybrid Optical Networks combining Circuit and Multi-Wavelength Packet Switching"
in Proceedings of the 13th Conference on Optical Network Design and Modeling (ONDM 2009), Braunschweig, Germany, Feb. 2009. (Poster)pdf
H. Imaizumi
"[Invited Talk] 400Gbps Hybrid Optical Switching Demonstration with Dynamic Resource Allocation for Future Optical Internet"
in Proceedings of 3rd International Workshop on OPS and OCDMA, Shanghai, China, Oct. 2008.pdf
H. Imaizumi
"Optical Packet Switching Technology for Future Global Sensing Networks"
in Proceedings of University of Tokyo - INRIA - Ecole des Mines Paris - INRETS Joint Symposium on Electronics for Secure Life, July 2008. (Poster)pdf
H. Imaizumi, M. Takagi, K. Machida, H. Li, D. E. Rianto, Y. Okamura, and H. Morikawa
"A Hybrid Optical Network Architecture Concept Combining Multi-Wavelength Packet and Circuit Switching (HOTARU)"
The Conference on IP+ Optical Network (IPOP2008), Tokyo, Japan, June 2008. (demo)
H. Imaizumi, K. Watabe, and H. Morikawa
"A Demonstration of 80Gb/s Multi-wavelength Optical Packet Switching"
International Symposium on Secure-Life Electronics, pp.185-189, Tokyo, Japan, Mar. 2008.
K. Watabe, M. Takagi, K. Machida, T. Tanemura, H. Imaizumi, Y. Nakano, and H. Morikawa
"320Gb/s Multi-Wavelength Optical Packet Switching with Contention Resolution Mechanism using PLZT Switches"
OThA5 , in Proceedings of The Optical Fiber Communication Conference and Exposition (OFC 2008), San Diego, USA, Feb. 2008.
K. Watabe, N. Matsumoto, H. Imaizumi, and H. Morikawa
"Preamble Delaying Label Update Mechanism for Self-Routed Optical Packet Switching Networks"
in Proceedings of The Optical Fiber Communication Conference and Exposition (OFC 2008), San Diego, USA, Feb. 2008. (poster)pdf
H. Imaizumi, K. Watabe, M. Takagi, K. Machida, A. Watanabe, and H. Morikawa
"A Hybrid Optical Network Architecture Concept Combining Multi-Wavelength Packet and Circuit Switching (HOTARU)"
The Conference on IP+ Optical Network (IPOP2007), Tokyo, Japan, June 2007. (demo)
K. Watabe, T. Saito, N. Matsumoto, T. Tanemura, H. Imaizumi, A. Al Amin, M. Takenaka, Y. Nakano, and H. Morikawa
"80Gb/s Multi-wavelength Optical Packet Switching using PLZT Switch"
in proceedings of the 11th International Conference on Optical Networking Design and Modeling (ONDM 2007), pp.11-20, Athens, Greece, May 2007.pdf
H. Morikawa, K. Watabe, N. Matsumoto, and H. Imaizumi
"Optical Packet Forwarding Node Architecture for Label Update by Delaying Preamble"
In Proceedings of COE Symposium on Advanced Electronics for Future Generations, pp. 208-214, January 2007.
N. Matsumoto, K. Watabe, T. Saito, K. Kaneko, H. Imaizumi, and H. Morikawa
"Optical Packet Routing"
In Proceedings of the International Conference on IP + Optical Network(iPOP2006) (Demo), Tokyo, Japan, June 2006.pdf
H. Imaizumi, H. Morikawa, O. Nakamura, J. Murai, and T. Aoyama
"An Alternative Approach to Multi-Path Forwarding on IPv6 Networks"
The IEEE 20th International Conference on Advanced Information Networking and Applications(AINA'06), pp. 854-860, April 2006.pdf
H. Imaizumi
"HOTARU: Hybrid Optical Network Architecture towards Future Terabit Networks"
In Proceedings of 3rd annual ON*Vector Terabit LAN Workshop, UCSD, San Diego, USA, Feb 2006.
H. Imaizumi, H.Morikawa, J.Murai, T. Aoyama
"FMEHR: An Alternative Approach to Multi-Path Forwarding on Packet-Swtiching Networks"
In Proceedings of IEEE International Conference On Networks(ICN), pp. 196-201, November 2005.
H. Imaizumi, Y. Sun, Xi Wang, H. Morikawa, and T. Aoyama
"Optical Burst Switching: Photonic Network Technology for Future Photonic Internet"
In Proceedings of International Symposium on Advanced Electronics for Future Generations, Secure-Life Electronics for Quality Life and Society, pp. 197-202, Tokyo, Japan, October 2005.
Y. Okamura, M. Suzuki, H. Imaizumi, Y. Sekiya, and H. Morikawa
"A Packet Scheduling Technique on Optical Ring Networks for Increasing Utilization"
IEICE Technical Report, PN2010-57, Feb. 2011.pdf
P. L. Nguyen, T. Morohashi, H. Imaizumi, M. Minami, and H. Morikawa
"A Performance Evaluation of Energy Efficient Schemes for Green Office Networks"
IEICE Technical Report, CS2009-51, Nov. 2009. pdf
H. Imaizumi, M. Minami, T. Nagata, G. Kunito, K. Yamazaki, and H. Morikawa
"Link Power Saving Method towards Green Networks"
IEICE Technical Report, PN2008-102, Mar. 2009.pdf
M. Takagi, H. Li, K. Watabe, H. Imaizumi, T. Tanemura, Y. Nakano, and H. Morikawa
"Design and Implementation of Hybrid Optical Switching Node Combining Multi-Wavelength OPS and OCS with Dynamic Resource Allocation"
IEICE Technical Report, PN2008-90, Mar. 2009.pdf
Y. Okamura, H. Imaizumi, K. Hisadome, O. Ishida, and H. Morikawa
"Performance Evaluation of Packet Multiplexing with Flow Aggregation on Multi-wavelength Optical Packet Networks"
IEICE Technical Report, PN2008-98, Mar. 2009.pdf
H. Imaizumi, K. Watabe, T. Tanemura, Y. Nakano, and H. Morikawa
"Terabit-level LAN Multiple-Access Technology in Lambda Access Networks"
IEICE Technical Report, OCS2008-114, Feb. 2009.pdf
M. Takagi, H. Li, K. Watabe, H. Imaizumi, T. Tanemura, Y. Nakano , and H. Morikawa
"400Gb/s Hybrid Optical Switching Demonstration Combining Multi-Wavelength OPS and OCS with Dynamic Resource Allocation"
IEICE Technical Report, PN2008-40, Dec. 2008.pdf
K. Machida, H. Imaizumi, H. Morikawa, and J. Murai
"A RWA Performance Comparison for Hybrid Optical Networks combining Circuit and Multi-Wavelength Optical Packet Switching"
IEICE Technical Report, PN2008-39, Dec. 2008.pdf
N. Matsumoto, K. Watabe, T. Saito, H. Imaizumi, and H. Morikawa
"Evaluation of Header Length in Self-routed Optical Packet Switching Network"
IEICE Technical Report, PN2006-95, March 2007.pdf
K. Watabe, N. Matsumoto, K. Kaneko, H. Imaizumi, H. Morikawa
"Optical Packet Forwarding Node Architecture for Label Update by Delaying Preamble"
IEICE Technical Report, PN2006-36, October 2006.pdf
T. Maruyama, N. Matsumoto, K. Kaneko, H. Imaizumi, H. Morikawa, and T. Aoyama
"Application of Route Priority Learning to Optical Packet Source Routing Network"
N. Matsumoto, T. Maruyama, K. Kaneko, H. Imaizumi, H. Morikawa, and T. Aoyama
"A Simple Forwarding Scheme for Optical Packet Routing"
IEICE Technical Report, PN2005-43, October 2005.pdf
H. Imaizumi and H. Morikawa
"Directions towards Future Green Internet"
R. Prasad, S. Ohmori, and D. Simunic (Eds) Towards Green ICT, pp.37-53, River Publishers, 2010.
H. Imaizumi
"Invited Talks: Green Internet and Optical Networks"
University of Wien, Sep. 2009.pdf
H. Imaizumi
"Introduction of OPS research in Morikawa Lab., The University of Tokyo"
Joint Workshop on OCDMA and OPS, Tsinghua University, Beijing, China, December 2006.