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1

Mode multi/demultiplexing with parallel waveguide for mode division multiplexed transmission

Hanzawa, Nobutomo, Saitoh, Kuimasa, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Koshiba, Masanori, Yamamoto, Fumihiko

Journal:

Year:

2014

Language:

english

File:

PDF, 1.68 MB

english, 2014

2

Optical Fiber Amplifier Employing a Bundle of Reduced Cladding Erbium-Doped Fibers

Yamada, Makoto, Tsujikawa, Kyozo, Ma, Lin, Ichii, Kentaro, Matsuo, Shoichiro, Hanzawa, Nobutomo, Ono, Hirotaka

Journal:

IEEE Photonics Technology Letters

Year:

2012

Language:

english

File:

PDF, 407 KB

english, 2012

3

Design and Fabrication of Broadband PLC-based 2-mode Multi/demultiplexer using Wavefront Matching Method

yamashita, yoko, Fujisawa, Takeshi, Makino, Shuntaro, Hanzawa, Nobutomo, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko, Nakajima, Kazuhide, Saitoh, Kunimasa

Journal:

Journal of Lightwave Technology

Year:

2016

Language:

english

File:

PDF, 668 KB

english, 2016

4

Fiber fuse propagation characteristics of LP01 and LP11 modes in few-mode fiber

Hanzawa, Nobutomo, Tsujikawa, Kyozo, Kurokawa, Kenji, Nozoe, Saki, Matsui, Takashi, Yamamoto, Fumihiko

Journal:

Journal of Lightwave Technology

Year:

2016

Language:

english

File:

PDF, 450 KB

english, 2016

5

[IEEE 2018 European Conference on Optical Communication (ECOC) - Rome, Italy (2018.9.23-2018.9.27)] 2018 European Conference on Optical Communication (ECOC) - Crosstalk Reduction in Multi-Core Fiber Using Uniform Twist

Aozasa, Shinichi, Tsujikawa, Kyozo, Sakamoto, Taiji, Nozoe, Saki, Nakajima, Kazuhide

Year:

2018

Language:

english

File:

PDF, 188 KB

english, 2018

6

Intrinsic loss of optical fibers

Kyozo Tsujikawa, Katsusuke Tajima, Jian Zhou

Journal:

Optical Fiber Technology

Year:

2005

Language:

english

File:

PDF, 278 KB

english, 2005

7

Design of Few-Mode Fibers for Mode-Division Multiplexing Transmission

Kasahara, Motoki, Saitoh, Kunimasa, Sakamoto, Taiji, Hanzawa, Nobutomo, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko, Koshiba, Masanori

Journal:

IEEE Photonics Journal

Year:

2013

Language:

english

File:

PDF, 735 KB

english, 2013

8

PLC-Based LP 11 Mode Rotator With Curved Trench Structure Devised From Wavefront Matching Method

Yamashita, Yoko, Makino, Shuntaro, Fujisawa, Takeshi, Hanzawa, Nobutomo, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko, Nakajima, Kazuhide, Saitoh, Kunimasa

Journal:

IEEE Photonics Technology Letters

Year:

2017

Language:

english

File:

PDF, 1004 KB

english, 2017

9

(

Enoki, Toshiaki, Tsujikawa, Kyozo, Suzuki, Kazuya, Uchida, Akira, Ohashi, Yuji, Yamakado, Hideo, Yakushi, Kuya, Saito, Gunzi

Journal:

Physical Review B

Year:

1994

Language:

english

File:

PDF, 535 KB

english, 1994

10

Scrambling-type three-mode PLC multiplexer based on cascaded Y-branch waveguide with integrated mode rotator

Fujisawa, Takeshi, Yamashita, Yoko, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Journal:

Journal of Lightwave Technology

Year:

2018

Language:

english

File:

PDF, 993 KB

english, 2018

11

Cord identification technique for ultra-low bending loss fibers using higher order modes of visible light

Ma, Lin, Tsujikawa, Kyozo, Aozasa, Shinichi, Azuma, Yuji

Journal:

Optical Fiber Technology

Year:

2013

Language:

english

File:

PDF, 1.12 MB

english, 2013

12

Observation of a propagation mode of a fiber fuse with a long-period damage track in hole-assisted fiber

Tsujikawa, Kyozo, Takenaga, Katsuhiro, Tanigawa, Shoji, Matsuo, Shoichiro, Tomita, Shigeru, Hanzawa, Nobutomo, Kurokawa, Kenji

Journal:

Year:

2010

Language:

english

File:

PDF, 258 KB

english, 2010

13

Optical fiber loss reduction

Masaharu Ohashi, Mitsuhiro Tateda, Kazuyuki Shiraki, Katsusuke Tajima, Kyozo Tsujikawa

Journal:

Electronics and Communications in Japan (Part I: Communications))

Year:

1996

Language:

english

File:

PDF, 1007 KB

english, 1996

14

Mixed-Alkali Effect on Rayleigh Scattering in K2O–Na2O–MgO–SiO2 Glasses

Kyozo Tsujikawa, Masaharu Ohashi

Journal:

Journal of the American Ceramic Society

Year:

2000

Language:

english

File:

PDF, 84 KB

english, 2000

15

Two-mode PLC-based mode multi/demultiplexer for mode and wavelength division multiplexed transmission

Hanzawa, Nobutomo, Saitoh, Kuimasa, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Koshiba, Masanori, Yamamoto, Fumihiko

Journal:

Year:

2013

Language:

english

File:

PDF, 1.13 MB

english, 2013

16

Loss reduction in few-mode photonic crystal fiber by reducing inner surface imperfections in air holes

Ma, Lin, Hanzawa, Nobutomo, Tsujikawa, Kyozo, Aozasa, Shinichi, Yamamoto, Fumihiko

Journal:

Year:

2015

Language:

english

File:

PDF, 1.42 MB

english, 2015

17

[IEEE 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers - San Diego, CA, USA (2008.2.24-2008.2.28)] OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference - Investigation of self-written waveguide technique toward easy splicing method for SMF in optical networks

Waki, Masaki, Tsujikawa, Kyozo, Kurashima, Toshio

Year:

2008

Language:

english

File:

PDF, 1.15 MB

english, 2008

18

[OSA National Fiber Optic Engineers Conference - San Diego, California (2010..-..)] National Fiber Optic Engineers Conference - Method for Estimating Loss over Wide Wavelength Region of Fiber Cables Installed in Access Networks

Tsujikawa, Kyozo, Takaya, Masaaki, Tomita, Shigeru

Year:

2010

Language:

english

File:

PDF, 354 KB

english, 2010

19

[IEEE 2012 IEEE Photonics Society Summer Topical Meeting Series - Seattle, WA, USA (2012.07.9-2012.07.11)] 2012 IEEE Photonics Society Summer Topical Meeting Series - Optical fiber amplifier employing a bundle of reduced cladding erbium-doped fibers for multi-core fiber transmission

Tsujikawa, Kyozo, Ma, Lin, Ichii, Kentaro, Matsuo, Shoichiro, Yamada, Makoto, Hanzawa, Nobutomo, Ono, Hirotaka

Year:

2012

Language:

english

File:

PDF, 353 KB

english, 2012

20

PLC-based LP_11 mode rotator for mode-division multiplexing transmission

Saitoh, Kunimasa, Uematsu, Takui, Hanzawa, Nobutomo, Ishizaka, Yuhei, Masumoto, Kohei, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko

Journal:

Year:

2014

Language:

english

File:

PDF, 2.02 MB

english, 2014

21

[IEEE 2018 IEEE Photonics Conference (IPC) - Reston, VA (2018.9.30-2018.10.4)] 2018 IEEE Photonics Conference (IPC) - Suppression of Group-Delay Spread in Coupled Two-LP-Mode Four-Core Fiber

Sato, Takanori, Yoshida, Kazuki, Fujisawa, Takeshi, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Year:

2018

File:

PDF, 6 KB

2018

22

Optical properties of multicomponent oxide glasses and glass fibers

Kyozo Tsujikawa, Masaharu Ohashi, Katsusuke Tajima

Journal:

Electronics and Communications in Japan (Part I: Communications))

Year:

2003

Language:

english

File:

PDF, 1.63 MB

english, 2003

23

[OSA National Fiber Optic Engineers Conference - San Diego, California (2010..-..)] National Fiber Optic Engineers Conference - Single-Mode Photonic Crystal Fiber with Low Bending Loss and A_effof > 200 µm^2for Ultra High-Speed WDM Transmission

Matsui, Takashi, Sakamoto, Taiji, Tsujikawa, Kyozo, Tomita, Shigeru

Year:

2010

Language:

english

File:

PDF, 335 KB

english, 2010

24

[IEEE 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) - Singapore, Singapore (2017.7.31-2017.8.4)] 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) - A proposal of Mach-Zehnder mode multi/demultiplexer for WDM/MDM optical transmission system

Ohta, Shun, Makino, Shuntaro, Fujisawa, Takeshi, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Year:

2017

Language:

english

File:

PDF, 660 KB

english, 2017

25

Rayleigh Scattering in K2O–MgO–SiO2 and Na2O–B2O3–SiO2 Glasses

Kyozo Tsujikawa, Masaharu Ohashi

Journal:

Optical Fiber Technology

Year:

2000

Language:

english

File:

PDF, 163 KB

english, 2000

26

[IEEE 2010 36th European Conference and Exhibition on Optical Communication - (ECOC 2010) - Torino, Italy (2010.09.19-2010.09.23)] 36th European Conference and Exhibition on Optical Communication - Hole-assisted dual concentric core fibre with ultra large negative dispersion coefficient of −11200 ps/nm/km

Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Tomita, Shigeru

Year:

2010

Language:

english

File:

PDF, 427 KB

english, 2010

27

PLC-Based Four-Mode Multi/Demultiplexer With LP11 Mode Rotator on One Chip

Hanzawa, Nobutomo, Saitoh, Kunimasa, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Uematsu, Takui, Yamamoto, Fumihiko

Journal:

Journal of Lightwave Technology

Year:

2015

Language:

english

File:

PDF, 546 KB

english, 2015

28

Transmission over large-core few-mode photonic crystal fiber using distance-independent modal dispersion compensation technique

Sakamoto, Taiji, Mori, Takayoshi, Yamamoto, Takashi, Ma, Lin, Hanzawa, Nobutomo, Aozasa, Shinichi, Tsujikawa, Kyozo, Tomita, Shigeru

Journal:

Year:

2011

Language:

english

File:

PDF, 1.00 MB

english, 2011

29

Design of Three-Spatial-Mode Ring-Core Fiber

Kasahara, Motoki, Saitoh, Kunimasa, Sakamoto, Taiji, Hanzawa, Nobutomo, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko

Journal:

Journal of Lightwave Technology

Year:

2014

Language:

english

File:

PDF, 672 KB

english, 2014

30

Band structure and physical properties of an organic conductor (BEDT-TTF)4Cu(C2O4)2

Wang, Ping, Mori, Takehiko, Bandow, Shunji, Maruyama, Yusei, Wang, Xiaohong, Chen, Benming, Zhu, Daoben, Tsujikawa, Kyozo, Suzuki, Kazuya, Enoki, Toshiaki

Journal:

Synthetic Metals

Year:

1992

Language:

english

File:

PDF, 388 KB

english, 1992

31

Design and Fabrication of Low Loss Hole-Assisted Few-Mode Fibers With Consideration of Surface Imperfection of Air Holes

Ma, Lin, Tsujikawa, Kyozo, Hanzawa, Nobutomo, Aozasa, Shinichi, Nozoe, Saki, Yamamoto, Fumihiko

Journal:

Journal of Lightwave Technology

Year:

2016

Language:

english

File:

PDF, 796 KB

english, 2016

32

[IEEE 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) - Fukuoka, Japan (2019.7.7-2019.7.11)] 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) - A Design of Low MDL Scrambling-type PLC 6-mode Multiplexer

Shirata, Motoki, Kudo, Misa, Fujisawa, Takeshi, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Year:

2019

File:

PDF, 732 KB

2019

33

Hole-assisted fiber based fiber fuse terminator supporting 22 W input

Tsujikawa, Kyozo, Kurokawa, Kenji, Hanzawa, Nobutomo, Nozoe, Saki, Matsui, Takashi, Nakajima, Kazuhide

Journal:

Optical Fiber Technology

Year:

2018

Language:

english

File:

PDF, 790 KB

english, 2018

34

A proposal of Mach–Zehnder mode/wavelength multi/demultiplexer based on Si/silica hybrid PLC platform

Kudo, Misa, Ohta, Shun, Taguchi, Eri, Fujisawa, Takeshi, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Journal:

Optics Communications

Year:

2018

Language:

english

File:

PDF, 1.30 MB

english, 2018

35

Hole-assisted dual concentric core fiber with ultralarge negative dispersion coefficient of −13,200 ps/nm/km

Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Tomita, Shigeru

Journal:

Year:

2011

Language:

english

File:

PDF, 686 KB

english, 2011

36

[IEEE 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC) - Singapore (2017.7.31-2017.8.4)] 2017 Opto-Electronics and Communications Conference (OECC) and Photonics Global Conference (PGC) - Attenuation coefficient and bending loss measurement of few-mode fibers by utilizing variable mode power ratio

Nozoe, Saki, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Taruno, Masaaki, Kubota, Hirokazu, Ohashi, Masaharu

Year:

2017

Language:

english

File:

PDF, 220 KB

english, 2017

37

[IEEE OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Anaheim, CA, USA (2007.03.25-2007.03.29)] OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Evaluation of Rayleigh scattering loss in photonic crystal fibers by using bi-directional OTDR measurement

Tsujikawa, Kyozo, Tajima, Katsusuke, Ieda, Koji, Nakajima, Kazuhide, Kurokawa, Kenji, Shiraki, Kazuyuki, Sankawa, Izumi

Year:

2007

Language:

english

File:

PDF, 1.38 MB

english, 2007

38

[IEEE 2006 32nd European Conference on Optical Communications - (ECOC 2006) - Cannes, France (2009.09.24-2006.09.28)] 2006 European Conference on Optical Communications - Dispersion Compensation of Dispersion-Shifted Fibre at 1310 nm using Photonic Crystal Fibre

Nakajima, Kazuhide, Kurokawa, Kenji, Matsui, Takashi, Tajima, Katsusuke, Tsujikawa, Kyozo, Shiraki, Kazuyuki, Sankawa, Izumi

Year:

2006

Language:

english

File:

PDF, 188 KB

english, 2006

39

Variable Mode Excitation Ratio Method for Measuring Attenuation Coefficients of LP Mode Groups

Nozoe, Saki, Matsui, Takashi, Tsujikawa, Kyozo, Taruno, Masaaki, Kubota, Hirokazu, Ohashi, Masaharu, Nakajima, Kazuhide

Journal:

Journal of Lightwave Technology

Year:

2018

Language:

english

File:

PDF, 382 KB

english, 2018

40

[IEEE 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) - Fukuoka, Japan (2019.7.7-2019.7.11)] 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC) - 3-Mode PLC-Based Mode Dependent Loss Equalizer in MDM Transmission

Sugawara, Naoto, Kudo, Misa, Fujisawa, Takeshi, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Year:

2019

File:

PDF, 702 KB

2019

41

Twisting-Rate-Controlled 125 μm Cladding Randomly Coupled Single-Mode 12-Core Fiber

Sakamoto, Taiji, Aozasa, Shinichi, Mori, Takayoshi, Wada, Masaki, Yamamoto, Takashi, Nozoe, Saki, Sagae, Yuto, Tsujikawa, Kyozo, Nakajima, Kazuhide

Journal:

Journal of Lightwave Technology

Year:

2018

Language:

english

File:

PDF, 1.78 MB

english, 2018

42

A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method

TAGUCHI, Eri, FUJISAWA, Takeshi, YAMASHITA, Yoko, MAKINO, Shuntaro, HANZAWA, Nobutomo, SAKAMOTO, Taiji, MATSUI, Takashi, TSUJIKAWA, Kyozo, NAKAJIMA, Kazuhide, YAMAMOTO, Fumihiko, SAITOH, Kunimasa

Journal:

IEICE Transactions on Electronics

Year:

2018

Language:

english

File:

PDF, 1.82 MB

english, 2018

43

PLC-based mode multi/demultiplexers for mode division multiplexing

Saitoh, Kunimasa, Hanzawa, Nobutomo, Sakamoto, Taiji, Fujisawa, Takeshi, Yamashita, Yoko, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide

Journal:

Optical Fiber Technology

Year:

2016

Language:

english

File:

PDF, 2.56 MB

english, 2016

44

Power dependence of fiber fuse propagation with a long-period damage track in hole-assisted fiber

Kurokawa, Kenji, Hanzawa, Nobutomo, Tsujikawa, Kyozo, Tomita, Shigeru

Journal:

IEICE Electronics Express

Year:

2011

Language:

english

File:

PDF, 361 KB

english, 2011

45

[IEEE 2017 22nd Microoptics Conference (MOC) - Tokyo (2017.11.19-2017.11.22)] 2017 22nd Microoptics Conference (MOC) - Proposal of compact three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator

Fujisawa, Takeshi, Taguchi, Eri, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Nakajima, Kazuhide, Saitoh, Kunimasa

Year:

2017

Language:

english

File:

PDF, 344 KB

english, 2017

46

Cladding Pumped Randomly Coupled 12-core Erbium-doped Fiber Amplifier with Low-Mode-dependent Gain

Wada, Masaki, Sakamoto, Taiji, Yamamoto, Takashi, Aozasa, Shinichi, Nozoe, Saki, Sagae, Yuto, Tsujikawa, Kyozo, Nakajima, Kazuhide

Journal:

Journal of Lightwave Technology

Year:

2018

Language:

english

File:

PDF, 309 KB

english, 2018

47

[OSA Optical Fiber Communication Conference - San Francisco, California (2014..-..)] Optical Fiber Communication Conference - PLC-type LP11 mode rotator with single-trench waveguide for mode-division multiplexing transmission

Uematsu, Takui, Hanzawa, Nobutomo, Saitoh, Kunimasa, Ishizaka, Yuhei, Masumoto, Kouhei, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko

Year:

2014

Language:

english

File:

PDF, 377 KB

english, 2014

48

[IEEE 2016 IEEE Photonics Conference (IPC) - Waikoloa, HI, USA (2016.10.2-2016.10.6)] 2016 IEEE Photonics Conference (IPC) - A compact and low-loss PLC-based LPiia/LPiib mode rotator with curved trench structure

Yamashita, Yoko, Makino, Shuntaro, Fujisawa, Takeshi, Saitoh, Kunimasa, Hanzawa, Nobutomo, Sakamoto, Taiji, Matsui, Takashi, Tsujikawa, Kyozo, Yamamoto, Fumihiko, Nakajima, Kazuhide

Year:

2016

Language:

english

File:

PDF, 423 KB

english, 2016

49

Ultra-low crosstalk 125 μm-cladding four-hole four-core fibers fabricated by the over-cladding bundled rods method

Nozoe, Saki, Fukumoto, Ryohei, Amma, Yoshimichi, Sakamoto, Taiji, Matsui, Takashi, Takenaga, Katsuhiro, Abe, Yoshiteru, Tsujikawa, Kyozo, Hanzawa, Nobutomo, Aozasa, Shinichi, Aikawa, Kazuhiko, Ohashi,

Journal:

Journal of Lightwave Technology

Year:

2019

Language:

english

File:

PDF, 1.41 MB

english, 2019

50

Polarization mode dispersion of a submarine cable containing 12 fibers

Kyozo Tsujikawa, Masaharu Ohashi, Hideyuki Iwata, Mitsuhiro Tateda, Tadatoshi Tanifuji

Journal:

Electronics and Communications in Japan (Part I: Communications))

Year:

2000

Language:

english

File:

PDF, 318 KB

english, 2000

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