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1

Approximate analytical solutions for nonlinear photonic crystal fibers

Takahito Kirihara, Takeshi Fujisawa, Kunimasa Saitoh, Masanori Koshiba

Journal:

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

Year:

2007

Language:

english

File:

PDF, 514 KB

english, 2007

2

[OSA Advanced Solid State Lasers - Berlin (2015..-..)] Advanced Solid State Lasers - Challenges for Further Power Scaling of Single-Mode Fiber Lasers

Dong, Liang, Kong, Fanting, Gu, Guancheng, Hawkins, Thomas, Jones, Maxwell, Parsons, Joshua, Kalichevsky-Dong, Monica, Saitoh, Kunimasa, Pulford, Benjamin, Dajani, Iyad

Year:

2015

File:

PDF, 9 KB

2015

3

Localized acoustic modes in photonic crystal fibers

Ikumi Enomori, Kunimasa Saitoh, Masanori Koshiba, Takashi Matsui

Journal:

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

Year:

2005

Language:

english

File:

PDF, 1.17 MB

english, 2005

4

Effective area limit of large-mode-area solid-core photonic bandgap fibers for fiber laser applications

Kunimasa Saitoh, Tadashi Murao, Lorenzo Rosa, Masanori Koshiba

Journal:

Optical Fiber Technology

Year:

2010

Language:

english

File:

PDF, 1.08 MB

english, 2010

5

Wavefront Matching Method Based on Full-vector Finite-element Beam Propagation Method for Polarization Control Devices

Makino, Shuntaro, Fujisawa, Takeshi, Saitoh, Kunimasa

Journal:

Journal of Lightwave Technology

Year:

2017

Language:

english

File:

PDF, 741 KB

english, 2017

6

Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion

Saitoh, Kunimasa, Koshiba, M., Hasegawa, T., Sasaoka, E.

Journal:

Year:

2003

Language:

english

File:

PDF, 221 KB

english, 2003

7

Design of photonic band gap fibers with suppressed higher-order modes: Towards the development of effectively single mode large hollow-core fiber platforms

Saitoh, Kunimasa, Florous, Nikolaos J., Murao, Tadashi, Koshiba, Masanori

Journal:

Year:

2006

Language:

english

File:

PDF, 2.85 MB

english, 2006

8

Design of all-solid leakage channel fibers with large mode area and low bending loss

Saitoh, Kunimasa, Tsuchida, Yukihiro, Rosa, Lorenzo, Koshiba, Masanori, Poli, Federica, Cucinotta, Annamaria, Selleri, Stefano, Pal, Mrinmay, Paul, Mukul, Ghosh, Debasri

Journal:

Year:

2009

Language:

english

File:

PDF, 600 KB

english, 2009

9

A design method of a fiber-based mode multi/demultiplexer for mode-division multiplexing

Saitoh, Fumiya, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Year:

2010

Language:

english

File:

PDF, 268 KB

english, 2010

10

Multiple resonant coupling mechanism for suppression of higher-order modes in all-solid photonic bandgap fibers with heterostructured cladding

Murao, Tadashi, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Year:

2011

Language:

english

File:

PDF, 1.67 MB

english, 2011

11

Reduced lateral leakage losses of TM-like modes in silicon-on-insulator ridge waveguides

Koshiba, Masanori, Kakihara, Kuniaki, Saitoh, Kunimasa

Journal:

Year:

2008

Language:

english

File:

PDF, 452 KB

english, 2008

12

Numerical Modeling of Cryogenic Temperature Sensors Based on Plasmonic Oscillations in Metallic Nanoparticles Embedded Into Photonic Crystal Fibers

Nikolaos John Florous, Kunimasa Saitoh, Masanori Koshiba

Journal:

IEEE Photonics Technology Letters

Year:

2007

Language:

english

File:

PDF, 279 KB

english, 2007

13

Analytical Expression of Average Power-Coupling Coefficients for Estimating Intercore Crosstalk in Multicore Fibers

Koshiba, Masanori, Saitoh, Kunimasa, Takenaga, Katsuhiro, Matsuo, Shoichiro

Journal:

IEEE Photonics Journal

Year:

2012

Language:

english

File:

PDF, 915 KB

english, 2012

14

Longitudinal Power Decay of a Weakly-Coupled Multi-Core Fiber

Ishida, Itaru, Hamaguchi, Hiroki, Takenaga, Katsuhiro, Matsuo, Shoichiro, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

IEEE Photonics Technology Letters

Year:

2013

Language:

english

File:

PDF, 1.61 MB

english, 2013

15

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

16

[IEEE 2007 Quantum Electronics and Laser Science Conference - Baltimore, MD, USA (2007.05.6-2007.05.11)] 2007 Quantum Electronics and Laser Science Conference - Thermo-plasmonic resonances in hybrid metallo-dielectric nano-particles: Towards tunable standalone nano-sensors

Florous, Nikolaos John, Kunimasa Saitoh,, Tadashi Murao,, Masanori Koshiba,

Year:

2007

Language:

english

File:

PDF, 599 KB

english, 2007

17

Design and Fabrication of Large-Mode Area Air-Clad Leakage Channel Fiber With Superior Bending Characteristics

Pal, Mrinmay, Saitoh, Kunimasa, Paul, M. C., Ghosh, Debashri, Bhadra, S. K.

Journal:

IEEE Photonics Technology Letters

Year:

2012

Language:

english

File:

PDF, 601 KB

english, 2012

18

[IEEE 2012 Photonics Global Conference (PGC) - Singapore, Singapore (2012.12.13-2012.12.16)] 2012 Photonics Global Conference (PGC) - Design and fabrication of LMA low-bending loss leakage channel fibers

Pal, Mrinmay, Paul, Mukul C, Ghosh, Debashri, Bhadra, Shyamal K, Saitoh, Kunimasa, Rosa, Lorenzo

Year:

2012

Language:

english

File:

PDF, 663 KB

english, 2012

19

[IEEE CLEO 2007 - Baltimore, MD, USA (2007.5.6-2007.5.11)] 2007 Conference on Lasers and Electro-Optics (CLEO) - Thermo-Plasmonic Resonances in Hybrid Metallo-Dielectric Nano-Particles: Towards Tunable Standalone Nano-Sensors

Florous, Nikolaos John, Saitoh, Kunimasa, Murao, Tadashi, Koshiba, Masanori

Year:

2007

Language:

english

File:

PDF, 631 KB

english, 2007

20

Large-Mode-Area All-Solid Photonic Bandgap Fibers for the Mitigation of Optical Nonlinearities

Dong, Liang, Kong, Fanting, Gu, Guancheng, Hawkins, Thomas Wade, Jones, Maxwell, Parsons, Joshua, Kalichevsky-Dong, Monica T., Saitoh, Kunimasa, Pulford, Benjamin, Dajani, Iyad

Journal:

IEEE Journal of Selected Topics in Quantum Electronics

Year:

2016

Language:

english

File:

PDF, 4.60 MB

english, 2016

21

Ytterbium-doped large-mode-area all-solid photonic bandgap fiber lasers

Gu, Guancheng, Kong, Fanting, Hawkins, Thomas, Parsons, Joshua, Jones, Maxwell, Dunn, Christopher, Kalichevsky-Dong, Monica T., Saitoh, Kunimasa, Dong, Liang

Journal:

Year:

2014

Language:

english

File:

PDF, 1.08 MB

english, 2014

22

Wavelength-Dependence of Inter-Core Crosstalk in Homogeneous Multi-Core Fibers

Ye, Feihong, Tu, Jiajing, Saitoh, Kunimasa, Takenaga, Katsuhiro, Matsuo, Shoichiro, Takara, Hidehiko, Morioka, Toshio

Journal:

IEEE Photonics Technology Letters

Year:

2016

Language:

english

File:

PDF, 764 KB

english, 2016

23

Quantum-Confined Stark Effect Analysis of GeSn/SiGeSn Quantum Wells for Mid-Infrared Si-Based Electroabsorption Devices Based on Many-Body Theory

Fujisawa, Takeshi, Saitoh, Kunimasa

Journal:

IEEE Journal of Quantum Electronics

Year:

2015

Language:

english

File:

PDF, 2.02 MB

english, 2015

24

Transmission-Efficient Structures of Bent and Crossing Silicon Slot Waveguides

Ishizaka, Yuhei, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

IEEE Photonics Journal

Year:

2013

Language:

english

File:

PDF, 967 KB

english, 2013

25

Ultra-Broadband Silicon-Wire Polarization Beam Combiner/Splitter Based on a Wavelength Insensitive Coupler With a Point-Symmetrical Configuration

Uematsu, Takui, Kitayama, Tetsuya, Ishizaka, Yuhei, Saitoh, Kunimasa

Journal:

IEEE Photonics Journal

Year:

2014

Language:

english

File:

PDF, 902 KB

english, 2014

26

Enhancement of Optical Nonlinearity in Coupled Resonator Optical Waveguide Based on Slotted 1-D Photonic Crystal Cavity

Makino, Shuntaro, Fujisawa, Takeshi, Saitoh, Kunimasa

Journal:

IEEE Photonics Journal

Year:

2015

Language:

english

File:

PDF, 1.55 MB

english, 2015

27

Theoretical Investigation of Six-Mode Multi/Demultiplexer Based on Fused-Type Multicore Fiber Coupler

Nishimoto, Shoko, Fujisawa, Takeshi, Sasaki, Yusuke, Uemura, Hitoshi, Saitoh, Kunimasa

Journal:

IEEE Photonics Journal

Year:

2016

Language:

english

File:

PDF, 1.49 MB

english, 2016

28

A Metal-Assisted Silicon Slot Waveguide for Highly Sensitive Gas Detection

Ishizaka, Yuhei, Makino, Shuntaro, Fujisawa, Takeshi, Saitoh, Kunimasa

Journal:

IEEE Photonics Journal

Year:

2017

Language:

english

File:

PDF, 2.37 MB

english, 2017

29

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

30

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

31

Crosstalk Analysis of Heterogeneous Multicore Fibers Using Coupled-Mode Theory

Fujisawa, Takeshi, Amma, Yoshimichi, Sasaki, Yusuke, Matsuo, Shoichiro, Aikawa, Kazuhiko, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

IEEE Photonics Journal

Year:

2017

Language:

english

File:

PDF, 818 KB

english, 2017

32

Six-Mode Seven-Core Fiber for Repeated Dense Space-Division Multiplexing Transmission

Sakamoto, Taiji, Saitoh, Kunimasa, Saitoh, Shota, Shibahara, Kohki, Wada, Masaki, Abe, Yoshiteru, Urushibara, Azusa, Takenaga, Katsuhiro, Mizuno, Takayuki, Matsui, Takashi, Aikawa, Kazuhiko, Miyamoto,

Journal:

Journal of Lightwave Technology

Year:

2018

Language:

english

File:

PDF, 1.17 MB

english, 2018

33

Low-loss, compact, and fabrication-tolerant Si-wire 90° waveguide bend using clothoid and normal curves for large scale photonic integrated circuits

Fujisawa, Takeshi, Makino, Shuntaro, Sato, Takanori, Saitoh, Kunimasa

Journal:

Year:

2017

Language:

english

File:

PDF, 3.48 MB

english, 2017

34

[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) - Ultra-Robust Design of Mode (De)Multiplexer Based on Asymmetrical Directional Coupler Using Wire and One-Side Rib Waveguides

Sato, Takanori, Fujisawa, Takeshi, Saitoh, Kunimasa

Year:

2019

Language:

english

File:

PDF, 1017 KB

english, 2019

35

[IEEE 2019 24th Microoptics Conference (MOC) - Toyama, Japan (2019.11.17-2019.11.20)] 2019 24th Microoptics Conference (MOC) - Nonreciprocity Enhancement of Graphene-on-Si Waveguide using One-Dimensional Photonic Crystal

Nakamura, Kodai, Sato, Takanori, Fujisawa, Takeshi, Saitoh, Kunimasa

Year:

2019

File:

PDF, 7.58 MB

2019

36

Low-loss and small 2 4 multiplexers based on 2 2 and 2 1 Mach-Zehnder interferometers with on-chip polarization multiplexing for 400GbE

Fujisawa, Takeshi, Takano, Junya, Sawada, Yusuke, Saitoh, Kunimasa

Journal:

Journal of Lightwave Technology

Year:

2020

File:

PDF, 1.75 MB

2020

37

Stress-analysis method for optical waveguides composed of elastically anisotropic materials and its application to strain-induced optical waveguides

Kunimasa Saitoh, Masanori Koshiba, Yasuhide Tsuji

Journal:

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

Year:

1998

Language:

english

File:

PDF, 233 KB

english, 1998

38

A design method for single-mode holey fibers with low bending losses

Yukihiro Tsuchida, Kunimasa Saitoh, Masanori Koshiba

Journal:

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

Year:

2006

Language:

english

File:

PDF, 383 KB

english, 2006

39

Leakage losses of quasi-phase-matched second-harmonic-generation devices with air gap

Yoshiki Ishikawa, Kunimasa Saitoh, Takeshi Fujisawa, Masanori Koshiba

Journal:

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

Year:

2007

Language:

english

File:

PDF, 1.53 MB

english, 2007

40

Simple evaluation of confinement losses in holey fibers

Masanori Koshiba, Kunimasa Saitoh

Journal:

Optics Communications

Year:

2005

Language:

english

File:

PDF, 194 KB

english, 2005

41

Design of ultra compact all-optical XOR and AND logic gates with low power consumption

Yuhei Ishizaka, Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba

Journal:

Optics Communications

Year:

2011

Language:

english

File:

PDF, 2.06 MB

english, 2011

42

Analysis of a realistic and idealized dispersion compensating photonic crystal fiber Raman amplifier

Shailendra K. Varshney, Kunimasa Saitoh, Masanori Koshiba, Peter J. Roberts

Journal:

Optical Fiber Technology

Year:

2007

Language:

english

File:

PDF, 1.08 MB

english, 2007

43

Failure to confirm an association betweenEpsin 4and schizophrenia in a Japanese population

Misty Richards, Yoshimi Iijima, Tomoko Shizuno, Yoko Kamegaya, Hiroaki Hori, Mayu Omori, Kunimasa Arima, Osamu Saitoh, Hiroshi Kunugi

Journal:

Journal of Neural Transmission

Year:

2008

Language:

english

File:

PDF, 269 KB

english, 2008

44

Finite-Element Analysis of Birefringence and Dispersion Properties in Actual and Idealized Holey-Fiber Structures

Koshiba, Masanori, Saitoh, Kunimasa

Journal:

Year:

2003

Language:

english

File:

PDF, 2.60 MB

english, 2003

45

Strong infrared radiation through passive dispersive wave generation and its control

Bhadra, Shyamal K., Saitoh, Kunimasa, Koshiba, Masanori, Roy, Samudra, Ghosh, Debashri

Journal:

Year:

2011

Language:

english

File:

PDF, 549 KB

english, 2011

46

Coupling between two collinear air-core Bragg fibers

Skorobogatiy, Maksim, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Journal of the Optical Society of America B

Year:

2004

Language:

english

File:

PDF, 491 KB

english, 2004

47

Unique characteristic features of stimulated Brillouin scattering in small-core photonic crystal fibers

McElhenny, John E., Pattnaik, Radha K., Toulouse, Jean, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Journal of the Optical Society of America B

Year:

2008

Language:

english

File:

PDF, 926 KB

english, 2008

48

Understanding formation of photonic bandgap edge for maximum propagation angle in all-solid photonic bandgap fibers

Murao, Tadashi, Nagao, Koyuru, Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Journal of the Optical Society of America B

Year:

2011

Language:

english

File:

PDF, 1.19 MB

english, 2011

49

Leakage loss and group velocity dispersion in air-core photonic bandgap fibers

Saitoh, Kunimasa, Koshiba, Masanori

Journal:

Year:

2003

Language:

english

File:

PDF, 297 KB

english, 2003

50

Coupling characteristics of dual-core photonic crystal fiber couplers

Saitoh, Kunimasa, Sato, Yuichiro, Koshiba, Masanori

Journal:

Year:

2003

Language:

english

File:

PDF, 136 KB

english, 2003