Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
PN 
20240314 11:30 
Kagoshima 
(Primary: Onsite, Secondary: Online) 
Computational Complexity of Error Correction with Classical/Quantum Parallelism Masataka Ohta (TIT) PN202370 
Errors on computations with various input arguments depend on the arguments and are, in general, different. As the diffe... [more] 
PN202370 pp.69 
PN, NS, OCS (Joint) 
20230608 13:00 
Kagawa 
(Primary: Onsite, Secondary: Online) 
[Invited Talk]
Proventobethebest Network Topology for Data Centers and Super Computers Masataka Ohta (TIT) NS202323 OCS20239 PN20235 
For topologies of interconnection networks, folded Clos ones are common in data centers but strange topologies was and s... [more] 
NS202323 OCS20239 PN20235 pp.2025(NS), pp.16(OCS), pp.16(PN) 
PN 
20230302 10:30 
Okinawa 
(Primary: Onsite, Secondary: Online) 
Proper Algebraic Representation of Phase Masataka Ohta (TIT) PN202255 
Obviously, phase is geographically faithfully represented by a point on not a line but a circle. As such, a faithful alg... [more] 
PN202255 pp.6769 
PN 
20220302 14:20 
Online 
Online 
Power Recycling: A Fallacy of Laser Interferometer GravitationalWave Observatory Masataka Ohta (TIT) PN202180 
Observation of LIGO (Laser Interferometer GravitationalWave Observatory) is by a highly precise Michelson interferomete... [more] 
PN202180 pp.148150 
PN, MWP, EMT, PEM, IEEEMT [detail] 
20220127 15:50 
Online 
Online 
Uncertainity by improperly used tensor products Masataka Ohta (TIT) PN202138 EMT202154 MWP202143 
As is obviated by homodyne detection to observe relative phases, interaction results of multiple quanta depend on relati... [more] 
PN202138 EMT202154 MWP202143 pp.3134 
PN 
20200824 10:30 
Online 
Online 
Non Local Noise by Applying Localized Noise to Entangled States Masataka Ohta (titech) PN202014 
Quantum error correction proposed by Shor is based on an assumption that noise is localized, that is, state of a qubit i... [more] 
PN202014 pp.79 
PN 
20200303 11:00 
Kagoshima 
(Cancelled but technical report was issued) 
qubit state represented by pendulum oscillations Masataka Ohta (titech) PN201965 
Dirac’s misconception that classical and quantum superpositions are different because absolute phase is quantum physical... [more] 
PN201965 pp.7780 
PN 
20180904 10:50 
Hokkaido 
Hotel DAIHEIGEN (Tokachi) 
Lazy EDFA Masataka Ohta (TIT) PN201822 
Usual EDFAs assume constant level of input signal and elaborate to convert as much pump light energy as possible to sign... [more] 
PN201822 pp.4346 
PN 
20171116 14:30 
Tokyo 
Kogakuin Univ. 
Electroabsorption Modulators for Opticcal Packet Switching Masataka Ohta (TIT) PN201735 
[more] 
PN201735 pp.4952 
PN 
20160901 13:30 
Hokkaido 
KKR Hakodate 
Optical Amplification Methods for Large Scale Phtonic Integration Masataka Ohta (TIT) PN201616 
For large scale photonic integration, where a large number of photonic devices are integrated on a chip, to which a larg... [more] 
PN201616 pp.1314 
PN 
20160307 11:45 
Okinawa 
Okinawaken Seinenkaikan 
Performance Evaluation of Fiber Delay Line Buffer with Lengths Forming Geometric Progression Masataka Ohta (TIT) PN2015106 
[more] 
PN2015106 pp.2122 
LQE, EST, OPE, EMT, PN, MWP, IEEEMT, PEM [detail] 
20160129 09:00 
Hyogo 

Power Consumption of Optical and Electric Buffer Masataka Ohta (TIT) PN201575 EMT2015126 OPE2015188 LQE2015175 EST2015132 MWP2015101 
[more] 
PN201575 EMT2015126 OPE2015188 LQE2015175 EST2015132 MWP2015101 pp.247248 
PN 
20151118 14:25 
Tokyo 
Japan Women's Univ. 
Loss Limit of Photonic Switching Masataka Ohta (TIT) PN201530 
[more] 
PN201530 pp.4144 
IA 
20150825 13:50 
Tokyo 
IIJ Seminar Room (Iidabashi Grand Bloom 13F) 
End to End Theorem in Distributed System Designe Masataka Ohta (TIT) IA201521 
Relationships between the end to end argument, a powerful principle on where to assign functions in designing a communic... [more] 
IA201521 pp.1315 
NS, OCS, PN (Joint) 
20150619 10:10 
Fukui 
Fukuishichiikikouryu 
Optical Fiber Delay Line Lengths with Arithmetical and Geometric Progression Masataka Ohta (TIT) PN20159 
(Advance abstract in Japanese is available) [more] 
PN20159 pp.4546 
PN 
20150318 13:50 
Okinawa 

Many Wavelength Optical Packet Switching and Polarizaiton Dependent Loss Masataka Ohta (TIT) PN201486 
An impact of accumulated polarization dependent loss (PDL) by optical switch devices in many wavelength optical packet s... [more] 
PN201486 pp.5355 
IA, IN (Joint) 
20141219 11:30 
Hiroshima 
Hiroshima City University 
The Architecture of Delay Tolerant Networking over the Internet Masataka Ohta (Tokyo Inst. of Tech.) IA201477 
Not to mention Interplanetary communication, UUCP network is DTN, from history of which, we can recognize how DTN over t... [more] 
IA201477 pp.4950 
IA 
20141007 16:05 
Osaka 
Grand Front OSAKA TowerB 10F 
A Confusion on Correct Interpretation of RFC821 (SMTP) about Domain Names Masataka Ohta (Tokyo Inst. of Tech.) IA201431 
[more] 
IA201431 pp.4345 
OCS, PN, NS (Joint) 
20130621 14:35 
Fukushima 
College of Engineering, Nihon University 
A Simple Proof against Y00 Masataka Ohta (Tokyo Inst. of Tech.) PN20137 
(Advance abstract in Japanese is available) [more] 
PN20137 pp.3738 
PN 
20121106 11:15 
Tokyo 
Japan Women's University 
Data Recovery without Clock Recovery Masataka Ohta (TIT) PN201227 
If clock frequency difference between a transmitter and a receiver is small, data recovery without clock recovery is pos... [more] 
PN201227 pp.1721 