|
学術論文等 Papers and Letters
| 72 |
W. Feng, J. Ma, and M. Tsubokawa, "Ultra-Thin Si-PD Design with Enhanced
Guided Mode
Resonance through Slanted Surface-Relief Gratings," to be published
in Opt. Lett. |
| 71 |
M. Tsubokawa and M. Saif Islam, “Design of a metasurface deflector for guided absorption enhancement in a Si PIN photodiode," Optics Express, Vol.
32, No. 12, pp. 21121-21133, 2024. https://doi.org/10.1364/OE.523755 |
| 70 |
W.Feng, Z.Wang, and M. Tsubokawa, "Evaluations of nanoparticle capture and transport methods in dielectric
bowtie core capillaries," Optics Express, Vol.31, pp. 16676-16689 , May 2023, doi:10.1364/OE.489355 |
| 69 |
J. Jiang and M. Tsubokawa,"Analysis of an optical SDM ring network
model for applying MIMO processing,"Optical Fiber Technology, vol.
65, 102627, 2021.https://doi.org/10.1016/j.yofte.2021.102627 |
| 68 |
W. Feng and M. Tsubokawa,"High birefringence and polarization-holding
ability in nanosized optical fibers with Si bowtie cores," Opt. Communs.,
vol. 466, 125603, 2020. https://doi.org/10.1016/j.optcom.2020.125603 |
| 67 |
J. Jiang and M. Tsubokawa, "Evaluation of optical MIMO transmissions through multicore fiber links with an optical switch,"Opt. Communs., vol. 463, 125381, 2020. https://doi.org/10.1016/j.optcom.2020.125381 |
| 66 |
A. Sheng and M. Tsubokawa,"Ultrasmall light-spot transmission in a
silicon-core fiber with a bowtie slot structure,"Optics Express, vol.
26, No. 17, pp. 21797-21802, 2018. |
| 65 |
M. Tsubokawa and Y. Wang,"Intercore crosstalk mitigation in
multicore fiber transmission with optical space coding," IEICE Trans.
Commun., vol. E100-B, No. 12, pp. 2104–2109, 2017. |
| 64 |
D. Kong, M. Tsubokawa, and L. Chen, "A controllable nanosize combiner
in T-shaped metal-insulator-metal waveguides," IEICE Electronics Express, vol. 13, No. 6, pp. 1–5, 2016. |
| 63 |
D. Kong and M. Tsubokawa, "Evaluation of slot-to-slot coupling between
dielectric slot waveguides and metal-insulator-metal slot waveguides,"
Optics Express, vo. 23, No. 15, pp. 19082–19091, 2015. |
| 62 |
M. Tsubokawa and D. Kong, "Near-field light probe with an optical
slot-waveguide structure," Optics Express, vol. 23, No. 3, pp. 1981–1991,
Jan. 2015. |
| 61 |
M. Tsubokawa, "Flexible Fiber-Optic Receiver with Side-Surface Interface," IEICE Trans Electron., vol. E97-C, No.12, pp. 1154–1157, 2014. |
| 60 |
M. Tsubokawa and S. Tateyama, "A novel fiber-optic light concentrator
with scattering parts," IEICE Trans Electron., vol. E97-C, No.2, pp.93-100,
2014. |
| 59 |
M. Tsubokawa, "Reliability evaluation for distributed PONs with ring
and tree topologies," IEEE/OSA J. Optical Commun. Netw., vol. 4, pp.790-798,
2012. |
| 58 |
K. Kitayama, M. Sasaki, S. Araki, M. Tsubokawa, A. Tomita, K. Inoue, K. Harasawa, Y. Nagasako, and A. Takada, "Security in Photonic Networks: Threats and Security Enhancement," IEEE/OSA J. Lightwave Tech., vol. 29, pp. 3210-3222, 2011. |
| 57 |
M. Tsubokawa, N. Honda, and Y. Azuma, "Resilient FTTH architecture
with ladder and grid network structures," IEEE/OSA J. Optical Commun.
Netw., vol. 3, pp. 839-849, 2011. |
| 56 |
T. Matsui, T. Sakamoto, K. Tsujikawa, S. Tomita, and M. Tsubokawa, "Single-Mode
Photonic Crystal Fiber Design With Ultralarge Effective Area and Low Bending
Loss for Ultrahigh-Speed WDM Transmission," IEEE/OSA J. Lightwave.
Tech., vol. 29, pp. 511-515, 2011. |
| 55 |
T. Matsui, K. Nakajima, K. Toge, T. Kurashima, and M. Tsubokawa, “Fiber
Identification Technique Based on Mechanically-Induced Long-Period Grating
for Bending-Loss Insensitive Fibers," IEEE/OSA J. Lightwave. Tech.,
vol.28, pp. 3556-3561, 2010. |
| 54 |
N. Hanzawa, K. Kurokawa, K. Tsujikawa, T. Matsui, , K. Nakajima, S. Tomita,
and M. Tsubokawa, "Suppression of Fiber Fuse Propagation in Hole Assisted
Fiber and Photonic Crystal Fiber," IEEE/OSA J. Lightwave Tech., vol.
28, pp. 2115-2120, 2010. |
| 53 |
T. Yamamoto, T. Mori, T. Sakamoto, K. Kurokawa, S. Tomita, and M. Tsubokawa,
"Group Velocity Dispersion Measurement Method Using Sinusoidally Phase-Modulated
CW Light Based on Cyclic Nature of Optical Waveform Change by Group Velocity
Dispersion," Appl. Opt., vol. 49, pp. 5148-5156, 2010. |
| 52 |
K. Okamoto, F. Ito, M. Tsubokawa, Y. Sakamaki, and T. Hashimoto, "2Channel-Allocation-Adaptive WDM Signal Observation Based on Sequential Ul-trafast Field Sampling," Opt. Lett., vol. 35, pp. 1410-1412, 2010. |
| 51 |
島田達也, 桜井尚也, 木村秀明, 雲崎清美, 坪川 信,"伝送速度と加入率を考慮したWDMアクセスシステムにおける光可変分岐制御方式,
" 信学会論文誌B, vol. J92-B, pp.1140-1152, 2009. |
| 50 |
H. Nakamura, S. Kimura, K. Hara, N. Yoshimoto, M. Tsubokawa, M. Nakamura,
K. Nishi-mura, A. Okada, and Y. Ohtomo,"AC-Coupled Burst-Mode Transmitter
Using Baseline-Wander Common -Mode-Rejection Technique for 10-Gbit/s-Class
PON Systems," IEEE J. Lightwave Technol., vol. 27, pp. 336-342, 2009. |
| 49 |
T. Suzuki, H. Suzuki, M. Fujiwara, H. Nakamura, K. Iwatsuki, H. Kimura, M. Tsubokawa, Y. Shibata, and A. Ohki, "Loss budget of 12.5 GHZ-spaced wide-area carrier-distributed WDM-PON considering excess spectral broadening caused by SOA modulation," Electron. Lett., vol. 44, pp. 226 – 228, 2008. |
| 48 |
H. Nakamura, T. Yoshida, M. Nakamura, A. Kanda, S. Kimura, N. Yoshimoto,
and M. Tsubo-kawa, "Three-level-control EDC technique using simple
eye monitor for access networks," Electron. Lett., vol. 44, pp. 813-814,
2008. |
| 47 |
M. Yoshino, S. Kaneko, T. Taniguchi, N. Miki, K. Kumozaki, T. Imai, N.
Yoshimoto, and M. Tsubokawa, "Beat Noise Mitigation of Spectral Amplitude
Coding OCDMA Using Heterodyne Detection," IEEE J. Lightwave Technol.,
vol. 26, pp. 962-970, 2008. |
| 46 |
K. Hara, H. Nakamura, H. Ota, N. Miki, N. Yoshimoto, and M. Tsubokawa, "Signal Selector内の四光波混合を利用した低損失光バス型アクセスネットワーク," Jpn. J. Appl. Phys., vol. 47, pp. 6727-6732, 2008. |
| 45 |
Y. Sakai, H. Kimura, and M. Tsubokawa, "A wide range, over 9.6 ns,
skew compensation LSI for a flexible optical access system," IEICE
Electronics Express, vol. 5, pp. 157-162, 2008. |
| 44 |
H. Suzuki, M. Fujiwara, T. Suzuki, N. Yoshimoto, H. Kimura, and M. Tsubokawa,
"Demon-stration and Performance of Colorless ONU for Coexistence-Type
WDM-PON Using a Wave-length-Tunable L-Band DWDM-SFP Transceiver,"
IEEE Photon. Technol. Lett., vol. 20, pp. 1603 – 1605, 2008. |
| 43 |
M. Fujiwara, T. Suzuki, H. Suzuki, T. Tanaka, N. Ooba, H. Kimura, and M. Tsubokawa, "Centralized Frequency Stabilization With Wide Capture Range Using MZI-AWG in DWDM-PON," IEEE Photon.. Technol. Lett., vol. 20, pp. 1612-1614, 2008. |
| 42 |
M. Fujiwara, H. Suzuki, H. Kimura, and M. Tsubokawa, "Precise frequency
stabilisation by dithering bias current of directly modulated laser-diodes,"
Electron. Lett., vol. 44, pp. 47-49, 2008. |
| 41 |
T. Taniguchi, N. Sakurai, H. Kimura, and M. Tsubokawa,"Multi-wavelength
optical transmitter based on time-domain modulation of directly modulated
wavelength-swept light," Electron. Lett., vol.44, pp.641-642, 2008. |
| 40 |
K. Hara, S. Kimura, H. Nakamura, K. Nishimura, M. Nakamura, N. Yoshimoto, and M. Tsu-bokawa, "1.25/10.3 Gbit/s dual-rate burst-mode receiver," Electron. Letters, vol. 44, pp. 869-870, 2008. |
| 39 |
M. Yoshino, N. Miki, N. Yoshimoto, and M. Tsubokawa, "Simultaneous
OCDM signal trans-mission over multiple WDM channels using Mach-Zehnder
interferometric selector," Electron. Lett., vol. 44, pp. 1319-1320,
2008. |
| 38 |
S. Nishihara, S. Kimura, T. Yoshida, M. Nakamura, J. Terada, K. Nishimura,
K. Kishine, K. Kato, Y. Ohtomo, N. Yoshimoto, T. Imai, M. Tsubokawa, "A
Burst-Mode 3R Receiver for 10-Gbit/s PON Systems With High Sensitivity,
Wide Dynamic Range, and Fast Response," IEEE J. Lightwave Technol.,
vol. 26, pp.99-107, 2008. |
| 37 |
T. Nakanishi, K. Suzuki, Y. Fukada, N. Yoshimoto, M. Nakamura, K. Kato, K. Nishimura, Y. Ohtomo, and M. Tsubokawa, "High sensitivity APD burst-mode receiver for 10Gbit/s TDM-PON system," IEICE Electronics Express, vol.4, pp. 588-592, 2007. |
| 36 |
M. Ohashi and M. Tsubokawa, "Optimum parameter design of Er3+-doped
fiber for optical amplifiers," IEEE Photon. Technol. Lett., vol. 3,
pp. 121 - 123, 1991. |
| 35 |
M. Tsubokawa and M. Ohashi, "A consideration of polarization dispersion
determining from a Stokes parameter evaluation," IEEE J. Lightwave
Technol., vol. 9, pp. 948 - 951, 1991. |
| 34 |
M. Tsubokawa, M. Ohashi and Y. Sasaki, "Waveform degradation due to dispersion effects in an optical CPFSK system," IEEE J. Lightwave Technol. vol. 8, pp. 962-966, 1990. |
| 33 |
M. Ohashi, N. Kuwaki and M. Tsubokawa, "Dispersion estimation of axially
nonuniform single-mode fibres," Electron. Lett., vol. E73, pp. 1329-1331,
1990. |
| 32 |
M. Tsubokawa and Y. Sasaki, "Polarisation Dispersion in a Long Optical
Single-Mode Fibre Cable," Trans. IEICE Japan, vol. E73, pp. 519-521,
1990. |
| 31 |
M. Tsubokawa, T. Higashi, Y. Sasaki,"Measurement of mode couplings and extinction ratios in polarization-maintaining fibers," J. Lightwave Technol., vol. 7, pp. 45 - 50, January 1989. |
| 30 |
M. Tsubokawa and Y. Sasaki, "Coherent FSK transmission experiment
using Brillouin ampli-fica¬tion in a single-mode fiber," J. Opt. Commun.,
vol. 10, pp. 48-53, 1989. |
| 29 |
M. Tsubokawa and Y. Sasaki, "Limitation of transmission distance and
capacity due to polari-sation dispersion in a lightwave system," Electron.
Lett., vol. 24, pp. 350-352, 1988. |
| 28 |
Y. Sasaki, K. Tajima, M. Tsubokawa and K. Suzuki, "Crosstalk characteristics of a 100km Long Spliced Polarisation-Maintaining Optical Fibre," Electron. Lett., vo. 24, pp. 580-582, 1988. |
| 27 |
M. Tsubokawa, T. Higashi and Y. Sasaki, "Mode Couplings Due to External
Forces Distributed Along a Polarization-Maintaining Fiber: an evaluation,"
Appl. Opt., vol. 27, pp. 166-173, 1988. |
| 26 |
T. Horiguchi, K. Suzuki and M. Tsubokawa, "OTDRにおける偏波雑音低減のための励振用複屈折性光ファイバ,"
Trans. IEICE Japan, vol. E71, pp. 218-223, 1988. |
| 25 |
N. Shibata, M. Tsubokawa, M. Tateda and M. Kawachi ,"Optical heterodyne method for evaluating the power coupling in the single-mode guided-wave Mach-Zehnder interferometer fabricated upon a silicone substrate," Opt. Lett., vol. 13, pp. 601-603, 1988. |
| 24 |
M. Tsubokawa, M. Tateda, N. Shibata and M. Kawachi, "Nondestructive
evaluation of coupling constants in single-mode optical channel waveguides,"
IEEE J. Lightwave Technol., vol. LT-6, pp. 1209-1216, 1988. |
| 23 |
T. Yamamura, N. Shibata, Y. Katsuyama and M. Tsubokawa, "Tightness Estimation of Fiber Ribbons in A Slot-Type Single-Mode Optical-Fiber Cable," IEEE J. Lightwave Technol., vol. LT-6, pp. 1815-1820, 1987. |
| 22 |
T. Higashi, M. Tsubokawa and S. Seikai, "伝搬光の偏光状態に及ぼす振動性外力の影響,"Trans.
IEICE Japan, vol. J70-C, pp. 152-160, 1987. |
| 21 |
M. Tsubokawa, T. Higashi, N. Shibata and S. Seikai, "Longitudinal coherence properties oｆ light waves propagating through a birefringent fiber," Opt. Lett., vol. 12, pp. 361-363, 1987. |
| 20 |
M. Tsubokawa, T. Higashi, N. Shibata and S. Seikai,"Loss of longitudinal
coherence due to birefrin¬gent effect," J. Opt. Soc. Am. A, vol. 4,
pp. 1865-1901, 1987. |
| 19 |
M. Tsubokawa, T. Higashi and S. Seikai, "Fiber-Optic Sensor for Measuring External Forces Distributed along a Fiber," Jpn. J Appl. Phys. Lett., vol. 26, pp. 587-589, 1987. |
| 18 |
T. Higashi, M. Tsubokawa and S. Seikai, "Evaluation method of mode
coupling in polariza-tion-maintaining fiber for coherent transmission,"
Electron. & Commun. Jpn., vol. J70-B, pp. 1140-1148, 1987. |
| 17 |
M. Tateda, M. Tsubokawa, N. Shibata, and M. Kawachi, "Nondestructive test method for guided-wave devices," J. Opt. Soc. Am. A, vol. 4, p. P24,
Jan.1987. |
| 16 |
N. Shibata, M. Tsubokawa, M. Ohashi, K. Kitayama and S. Seikai, "Birefringence and polarization mode dispersion in a coil of a single-mod fiber," J. Opt. Soc. Am. A, vol. 3, pp. 1935-1940, 1987. |
| 15 |
N. Shibata, M. Tsubokawa, T. Nakashima and S. Seikai, "Temporal Coherence
Properties of a Dispersively Propagating Beam in a Fiber-Optic Interferometer,"
J. Opt. Soc. Am. A, vol. 4, pp. 494-497, 1987. |
| 14 |
T. Higashi, M. Tsubokawa, N. Shibata and S. Seikai, "コヒーレント光伝送における伝搬信号光の評価法,"
Trans. IEICE Japan, vol. J70-B, pp. 307-315, 1987. |
| 13 |
T. Higashi, M. Tsubokawa, Y. Sasaki and S. Seikai, "コヒーレント光伝送における偏波保持ファイバのモード結合の評価法," Trans. IEICE Japan, vol. J70-B, pp. 1140-1148, 1987. |
| 12 |
T. Higashi, M. Tsubokawa and Y. Negishi, "偏光状態制御法と制御効果の評価," Trans.
IE-ICE Japan, vol. J69-B, pp. 1003-1010, 1986. |
| 11 |
M. Tsubokawa, T. Nakashima, S. Seikai and N. Shibata,"Suppression
of stimulated Brillouin scattering in a single-mode fiber by an accousto-optic
modulator," Electron. Lett., vol. 2, pp. 473-474, 1986. |
| 10 |
M. Tsubokawa, T. Higashi, S. Seikai, N. Shibata and T. Abe,"Polarization characteristics of a side-tunnel fiber," Electron. Lett., vol. 22, pp. 1280-1281, 1986. |
| 9 |
M. Tsubokawa, N. Shibata、M. Ohashi and S. Seikai, "Length dependence
of the LP11 mode loss in the quasi single-mode operating region,"
Opt. Lett., vol. 11, pp. 327-329, 1986. |
| 8 |
N. Shibata, M. Tsubokawa, M. Ohashi and S. Seikai, "Bending Loss Measurement
of the LP11 mode in the Quasi Single-Mode Operation Region," Electron.
Lett., vol. 21, pp. 1042-1043, 1985. |
| 7 |
N. Shibata, M. Tsubokawa, Y. Kimura and S. Seikai,"Loss of temporal coherence due to fiber dispersion," Electron. Lett., vol. 21, pp. 1087-1088, 1985. |
| 6 |
M. Tsubokawa, N. Shibata, S. Seikai and T. Higashi, "Chromatic Dispersion
Measurement of a single-mode fibre by improved optical heterodyne interferometry,"
Electron. Lett., vol. 21, pp. 781-783, 1985. |
| 5 |
M. Tsubokawa, N. Shibata and S. Seikai, "Evaluation of Polarization
Mode Coupling Coeffi-cient from Measurement of Polarization Mode Dispersion,"
IEEE J. Lightwave Technol., vol. LT-3, pp. 850-854, 1985. |
| 4 |
N. Shibata, M. Tsubokawa and S. Seikai,"Polarization Mode Dispersion in a Coil of Single-Mode Fiber," Opt. Lett., vol. 10, pp. 92-94, 1985. |
| 3 |
N. Shibata, M. Tsubokawa and S. Seikai, "Measurements of polarization
mode dispersion by optical heterodyne detection," Electron. Lett.,
vol. 20, pp. 1055-1057, 1984. |
| 2 |
Y. Ohtsuka and M. Tsubokawa, "Dynamic two-frequency interferometry for small displace-ment measurements," Opt. Laser Technol., pp. 25-29, Feb, 1984. |
| 1 |
Y. Ohtsuka and M. Tsubokawa, "A compact fibre-optic gyroscope by use
of an optical Bragg cell," J. Phys. E: Sci. Instrum., pp. 25-29, Feb,
1984. |
招待論文、雑誌等 Other papers (Invited papares, etc.)
| 6 |
坪川 信, "光アクセスネットワークシステム," 信学誌, vol. 91, No. 8, pp. 699-705, 2008. |
| 5 |
日比野善典, 坪川信, 神野正彦, 高田篤, 宮本裕, "最新フォトニックネットワーク技術の概要." NTT技術ジャーナル 10月号, pp. 8-13, 2007. |
| 4 |
T. Haibara, M. Tsubokawa and Y. Kurusu, "ホームネットワーク技術の動向（注目を浴びるIEEE1394技術,"
NTT技術ジャーナル 5月号, pp. 72-75, 1999. |
| 3 |
M. Tsubokawa and Y. Ohtsuka, "Development of fibre-optic gyroscope,"
The Review of Laser Engineering, vol. 11, pp. 889-902, 1983. |
| 2 |
伊藤文彦, 東裕司, 坪川信, 中島隆, "光ファイバの試験技術," 日経コミュニケーション, 日経BP社, 9.1号,
pp. 78-79, 2009. |
| 1 |
冨田茂, 坪川信, 山本貴司, 中島隆, "光ネットワークの最新技術［10］次世代光ファイバ技術." 日経コミュニケーション,
日経BP社, 8.15号, pp. 70-71, 2009. |
国際学会 Proceedings of the International Conferences
| 51 |
Q. Liu, W. Feng and M. Tsubokawa,” Inverse Design of a Metasurface Near-infrared
Absorber based on Machine Learning and Bayesian Optimization," ISIPS,
paper A5, Nov. 2024. |
| 50 |
W. Feng and M. Tsubokawa, "Highly Efficient Nano-Optical Spot
Generation in a Non-Metallic Tip," Frontiers in Optics + Laser Science
(FiO-LS), Denver, Sep. 2024. |
| 49 |
M S. Islam, A. Rawat, M. Tsubokawa, "Metasurface-enabled circular
laight propagation for ultra-fast and efficient photodetection,"
SPIE Nanoscience + Engineering, San Diego, 13114-22, Aug. 2024. |
| 48 |
W. Feng, H. Wang, Y. Bai, and M. Tsubokawa, "Simultaneous trapping
and transporting of low and high refractive index particles based on stepped
anti-reflection strip," Light Conference Week (LCW), Changchun, China,
paper LCW2023-0619-6, 5 pages, Aug 2023. |
| 47 |
Z. Wang, Y. Bai, W. Feng, and M. Tsubokawa, "Tunable ultralong
photonic nanojets with multilayer dielectric microcylinders," Light
Conference Week (LCW), Changchun, China, paper LCW2023-0619-8, 4 pages,
Aug 2023. |
| 46 |
W. Feng, X. Li, C. Zhao, and M. Tsubokawa, "Bidirectional nanoparticle transporting optical burettes with all-dielectric bowtie core capillaries," Opto-Electronics and Communications Conference (OECC), Shanghai, China, paper OECC2023-0221-1, 4 pages, Jul 2023, doi: 10.1109/OECC56963.2023.10209714 |
| 45 |
W. Feng, X. Li, and M. Tsubokawa, "Bidirectional transport of nanoparticles
by micro capillaries with bowtie cores, CLEO, paper ATu4R.5, May 2023. |
| 44 |
J. Jiang and M. Tsubokawa, "The coupling dependence of protection
operation by applying optical MIMO to SDM ring network," ISISP, paper
23, Nov. 2021 |
| 43 |
J. Jiang and M. Tsubokawa, "Anlysis of Optical SDM Ring Network Protection
with MIMO Application,"IEEE ICSIP 2021, sp 182, Oct. 2021. |
| 42 |
W. Feng and M. Tsubokawa, "Highly birefringent microfiber with
bowtie-cores," ISIPS, paper 8, 2020. |
| 41 |
J. Jiang and M. Tsubokawa, "Characteristics of MCF based Optical SDM MIMO Network with Optical Switches," ISIPS, paper 7, 2020. |
| 40 |
M. Tsubokawa, "Analysis of Multicore Fibre Transmission with Space
Coding Scheme," Proc. the 4th International conference on Photonics,
Optics and Laser Technology (PHOTOPTICS), Rome, pp.104–108, Feb. 2016. |
| 39 |
M. Tsubokawa, "Fibre-optic probe design with side-surface interface,"
Proc. the 2nd International Conference on Photonics, Optics and Laser Technology
(PHOTOPTICS), Lisbon, pp. 158–162, Feb. 2014. |
| 38 |
M. Tsubokawa, N. Honda, and Y. Azuma, "Reliability and scalability of access networks with ladder Structure," OFC/NFOEC 2012, Los Angeles, paper NM2K.5, 2012. |
| 37 |
F. Ito and K. Okamoto, M. Tsubokawa, Y. Sakamaki, T. Hashimoto, "Channel
-allocation-adaptive WDM signal observation based on sequential ultrafast
field sampling," ECOC2009, Vienna, paper PD2.3, 2009. |
| 36 |
K. Suzuki, Y. Fukada, N. Yoshimoto, K. Kumozaki, and M. Tsubokawa, "Automatic
Level Controlled Burst-Mode Optical Fiber Amplifier for 10 Gbit/s PON Application,"
OFC2009, paper OTuH1, 2009. |
| 35 |
N. Shiga, Y. Horiuchi, M. Takehana, Y. Tanaka, Y. Oikawa, H. Nagaeda, K. Suzuki, Y. Fukada, N. Yoshimoto, and M. Tsubokawa, "Ultra High-Speed Automatic Level Controlled Optical Amplifier with Wide Dynamic Range," OFC2009, paper OTuH4, 2009. |
| 34 |
T. Taniguchi, N. Sakurai, H. Kimura, and M. Tsubokawa, "Wavelength
resource scalable het-erodyne detection based WDM access employing time-domain
modulation of wavelength-swept light," ECOC2008, paper Tu1.F.4,
2008. |
| 33 |
S. Kaneko, H. Suzuki, N. Miki, H. Kimura, M. Tsubokawa, K. Takiguchi, T.
Yamada, and M. Abe, "Experimental demonstration of phase-matched OCDM
using PLC-LN multi-frequency self-homodyne module," ECOC2008., paper
P.6.14, 2008. |
| 32 |
Y. Fukada, K. Suzuki, H. Nakamura, N. Yoshimoto, and M. Tsubokawa, "First demonstration of fast automatic-gain-control (AGC) PDFA for amplifying burst-mode PON upstream signal," ECOC2008, paper We.2.F.4, 2008. |
| 31 |
T. Suzuki, H. Suzuki, M. Fujiwara, N. Yoshimoto, H. Kimura, and M. Tsubokawa,"A
mul-ti-wavelength stabilization technique based on a local minimum search
using a shared reflective etalon filter for coexistence-type WDM-PON,"
ECOC2008, paper Tu1.F.5, 2008. |
| 30 |
H. Nagaeda, Y. Horiuchi, A. Tanaka, Y. Shiga, Y. Fukada, K. Suzuki, N.
Yoshimoto, and M. Tsubokawa, "Burst-mode optical amplifier for signals
with various burst lengths from 500 ns to 50 μs," ECOC2008, P.1.13,
2008. |
| 29 |
N. Miyoshi, Y. Sakai, H. Kimura, and M. Tsubokawa, "A multilevel transmission technique based on stacked optical binary signals for upgrading TDM-PON systems," COIN2008, C-14-PM2-2, 2008. |
| 28 |
K. Hara, S. Kimura, H. Nakamura, N. Yoshimoto, M. Tsubokawa, K. Nishimura,
M. Nakamura, and S. Nishihara, "A 1.25/10.3-Gbit/s AC-coupled dual-rate
burst-mode receiver without reset signals," ECOC2008, paper We.2.F.1,
2008. |
| 27 |
T. Yamada, N. Miyoshi, Y. Sakai, H. Kimura, and M. Tsubokawa, “Multilevel
Transmission System Using Multiple LDs and Block Receiving Technique,"
WTC2008, New Oｒleans, Sessions 102, 2008. |
| 26 |
M. Tsubokawa and K. Kumozaki, "Evolution of Next Generation Access,"
WTC2008, New Oｒleans, Sessions 202, 2008. |
| 25 |
H. Kimura, T. Yamada, and M. Tsubokawa, "A Novel lambda/Bit Conversion Technique for Highly Efficient Use of Wavelengths in WDM-Based Optical Access System," GLOBECOM2008, ON06W3, 2008. |
| 24 |
H. Suzuki, M. Fujiwara, T. Suzuki, H. Kimura, and M. Tsubokawa, "Demonstration
of Plug-and-Play Function by Automatically Controlling Tunable DWDM-SFP
Transceiver for Coexistence-Type Colorless WDM-PONs," OFC/NFOEC2008,
paper OTuH1, 2008. |
| 23 |
S. Kaneko, H. Suzuki, N. Miki, H. Kimura, and M. Tsubokawa, "High
Spectral Efficiency DWDM-PON Using an Optical Homodyne Receiver with Integral
Circuits Based on Digital Signal Processing," OFC/NFOEC2008, paper
OTuH7, 2008. |
| 22 |
M. Yoshino, N. Yoshimoto, and M. Tsubokawa, "Chirp Frequency Synchronized Detection for Suppression of Light Interference in Optical Access Networks," OFC/NFOEC2008, paper OWB7, 2008. |
| 21 |
Y. Fukada, T. Nakanishi, K. Suzuki, N. Yoshimoto, and M. Tsubokawa, "Gain-Clamp
Light Auto Level Control (GCL-ALC) Technique for Gain-Controllable Burst-Mode
PON Amplifying Repeater," OFC/NFOEC2008, paper OThT5, 2008. |
| 20 |
K. Suzuki, Y. Fukada, T. Nakanishi, N. Yoshimoto, and M. Tsubokawa, "Burst-Mode
Optical Amplifier for Long-Reach 10 Gbit/s PON Application," OFC/NFOEC2008,
paper OThL3. |
| 19 |
H. Nakamura, S. Kimura, K. Hara, N. Yoshimoto, M. Tsubokawa, M. Nakamura,
K. Nishimura, A. Okada, and Y. Ohtomo, "500-ps Response AC-Coupled
Burst-Mode Transmitter Using Base-line-Wander Common-Mode-Rejection Technique
for 10-Gbit/s-Class PON Systems," OFC/NFOEC2008, paper PDP26, 2008. |
| 18 |
M. Fujiwara, T. Suzuki, H. Suzuki, T. Tanaka, N. Oba, H. Kimura, and M.
Tsubokawa,"Remote frequency stabilization in DWDM-PON using supervisory
frame transfer with fixed time interval," Opto-Electronics and Communications
Conference (OECC2008) OECC2008, paper ThL-5, 2008. |
| 17 |
M. Tsubokawa, "Next and New-Generation FTTH technologies," OECC/FON Workshop 1, Technical Digest, pp.65-72, 2007. |
| 16 |
M. Tsubokawa, "Flexible access technologies to upgrade PONs,"
OECC/IOOC2007, paper 10A1-1, pp. 8-9, 2007. |
| 15 |
M. Fujiwara, H. Suzuki, T. Tanaka, N. Oba, N. Yoshimoto, and M. Tsubokawa,
"Centralized Frequency Stabilization by Dithering Transmission Spectra
of PLC-type MZI-AWG for DWDM-PON," ECOC2007, paper 7.6.2, 2007. |
| 14 |
S. Kaneko, H. Suzuki, N. Miki, H. Kimura, M. Tsubokawa, "High Spectral Efficiency OCDM Technique based on Optical OFDM and Multi-frequency Homodyne Detection," ECOC2007, paper P088, 2007. |
| 13 |
H. Suzuki, M. Fujiwara, T. Suzuki, N. Yoshimoto, H. Kimura, and M. Tsubokawa,
"Wave-length-tunable DWDM-SFP with a Dithering Signal Monitor and
Its Application to Coexist-ence-type Colorless WDM-PON," ECOC2007,
paper PD3.4, 2007. |
| 12 |
K. Hara, N. Ota, H. Nakamura, N. Miki, N. Yoshimoto, and M. Tsubokawa,
"Low Loss Signal Selector using FWM in Highly Nonlinear Optical Fiber
for Bus-type Access Networks,"MOC2007, paper L6, 2007. |
| 11 |
H. Kimura, Y. Sakai, and M. Tsubokawa, "An Optical Receiver Module with Over 9.6nsec Deskew Range and 10Gb/s FMUX for a Flexible Optical Access System Based on PS-WDM-PON," IEEE LEOS2007, paper ThO2, 2007. |
| 10 |
T. Nakanishi, Y. Fukada, K. Suzuki, N. Yoshimoto, M. Nakamura, and K. Kato,
Y. Ohtomo, and M. Tsubokawa, "Wide Dynamic Range and High Sensitivity
APD Burst Receiver Configuration based on M-Switching Technique for 10GEPON
System," Lasers and Electro-Optics Society (LEOS2007), paper ThW5,
2007. |
| 9 |
T. Haibara, M. Tsubokawa, T. Sugawa and Y. Kurusu, "An evolutional
scenario for home net-work and basic trial of IEEE 1394 home network,"
the Technical digest of ICCE'99, pp. 38-39, 1999. |
| 8 |
K. Fuchigami and M. Tsubokawa,"Development of optical fiber network Technology for the access network," IEICE OEC'94, 1994. |
| 7 |
M. Tsubokawa,"Coherence properties of narrowband light amplified in
an Er(3+)-doped fiber," ECOC/IOOC'91, pp. 673-676, 1991. |
| 6 |
M. Tsubokawa and M. Ohashi, "Novel Interpretation of Polarization
Dispersion in a Sin-gle-Mode Fiber," OFM'90, 1990 |
| 5 |
M. Ohashi, M. Tsubokawa and M. Kawase, "A consideration on Chromatic
and Polarization Dispersions in Single-Mode Fibers for Large Capacity Transmission
Systems," GLOBECOM '90, pp. 1523-1528, 1990. |
| 4 |
M. Tsubokawa and Y. Sasaki, "Pulse spreading due to polarization dispersion
in single-mode fibers," CPEM'88, 1988. |
| 3 |
T. Higashi, M. Tsubokawa and Y. Sasaki," Mode-coupling distribution
in polariza-tion-maintaining fibers," CLEO'87, paper WL3, 1987. |
| 2 |
M. Tsubokawa, N. Shibata, T. Higashi and S. Seikai,"Degradation of temporal coherence due to chromatic dispersion in a birefringent optical fiber," OFS'86, paper 3.7, 1986. |
| 1 |
N. Shibata, M. Tsubokawa, M. Ohashi and K. Kitayama, "Birefringence
properties of a coiled single-mode fiber and its use of in a tuned optical
amplifier," CLEO'85, paper THP4, 1985. |
他の学術会議等 Other conferences
| 18 |
Weinan Feng and Makoto Tsubokawa, "円錐形Si先端部におけるナノ光スポット集光,"
IEICE, Technical Report (OFT), Aug. 2025. |
| 17 |
M. Diop and M. Tsubokawa, "Cost Analysis for the Migration/Upgrade
of the Senegalese GPON Network Toward NGOA Networks," IEICE, Technical
Report (OFT), Oct. 2020. |
| 16 |
盛 愛国, 坪川 信, "ナノサイズ光スポット伝送に向けたボウタイスロット構造を有するシリコン光ファイバの提案," 電子通信学会技術報告 OFT，11月, 2018. |
| 15 |
坪川 信, 王 一州, 劉 安捷, "空間符号化を用いたマルチコア光ファイバ伝送におけるコア間電力結合抑制の一検討," 電子通信学会技術報告 OFT，2月,
2018． |
| 14 |
孔德卿, 坪川信, 陳 霖, "MIM導波路を用いたT型光結合器の評価と９０°光ハイブリッドへの応用," 電子通信学会技術報告 OFT，8月,
2016． |
| 13 |
孔德卿, 坪川信, "誘電体スロット導波路とメタルスロット導波路の接続特性の検討,"電子通信学会技術報告 OFT，11月,
2015 |
| 12 |
坪川信, 孔德卿, “誘電体スロット光導波路を用いたナノ光プローブの検討," 電子通信学会技術報告 OFT，5月, 2015． |
| 11 |
坪川信，"側面インターフェースを有する光ファイバプローブの検討，" 信学技報(OFT)，10月, 2014. |
| 10 |
坪川信, "光ファイバにおける側面送受光特性改善の検討，" 信学技報(OFT)，11月, 2013． |
| 9 |
X. Chen and M. Tsubokawa, "Study on Spatial Mode Conversion by In-line
Phase Shifting in Slab-waveguides," IEICE General Conference, Mar.
2013. |
| 8 |
立山 信成, 坪川 信, "側方入射光に対する光導波路構造の基礎検討," 信全大，3月，2013. |
| 7 |
坪川信、城戸崇志、本田奈月、東裕司,"高信頼なFTTHネットワーク構成法の検討 －ハイブリッドWDM/TDM-PONの適用について－,"
電子通信学会技術報告, OFT, vol. 111, 1月, pp. 67-76, 2012 |
| 6 |
K. Kitayama, M. Sasaki, S. Araki, M. Tsubokawa, A. Tomita, K. Inoue, K.
Harasawa6, Y. Nagasako, and A. Takada,"A Novel Conceptual Model of
Secure Photonic Networks," 13th International Conference on Transparent
Optical Networks (ICTON), Stockholm, June 26-30, 2011. |
| 5 |
M. Tsubokawa,"FTTH technologies in the NTT Network," 31th IDATE international conference DigiWorld Summit 2009, Montpellier, 2009. |
| 4 |
M. Tsubokawa,"Evolution of Optical Access Network Technologies in
NTT," Technical digest of KOiF Optical Internet Workshop 2008, Jeju,
Korea, pp.223-245, 2008. |
| 3 |
坪川 信, “新世代アクセスネットワーク," 信学会 東京支部 シンポジウムテキスト, 10月, pp. 47-58, 2008. |
| 2 |
M. Tsubokawa,"Innovative technologies with FTTH upgrade," Technical
digest of the 7th CIST Forum2007, pp. 27-28, 2007. |
| 1 |
K. Fuchigami, Y. Wakui, and M. Tsubokawa,"Optical Access Network Deployment in Japan," Fiber Opt. Telecom (IBC Tech. Services), 1994. |
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