Kunimasa Saitoh
Kunimasa Saitoh
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Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion
K Saitoh, M Koshiba, T Hasegawa, E Sasaoka
Optics express 11 (8), 843-852, 2003
Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: application to photonic crystal fibers
K Saitoh, M Koshiba
IEEE Journal of Quantum Electronics 38 (7), 927-933, 2002
Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers
M Koshiba, K Saitoh, K Takenaga, S Matsuo
IEEE Photonics Journal 4 (5), 1987-1995, 2012
1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) crosstalk-managed transmission with 91.4-b/s/Hz aggregate spectral efficiency
H Takara, A Sano, T Kobayashi, H Kubota, H Kawakami, A Matsuura, ...
European Conference and Exhibition on Optical Communication, Th. 3. C. 1, 2012
Multicore fiber technology
K Saitoh, S Matsuo
Journal of Lightwave Technology 34 (1), 55-66, 2016
Heterogeneous multi-core fibers: proposal and design principle
M Koshiba, K Saitoh, Y Kokubun
IEICE Electronics Express 6 (2), 98-103, 2009
Numerical modeling of photonic crystal fibers
K Saitoh, M Koshiba
Journal of lightwave technology 23 (11), 3580-3590, 2005
Empirical relations for simple design of photonic crystal fibers
K Saitoh, M Koshiba
Optics express 13 (1), 267-274, 2005
Single-polarization single-mode photonic crystal fibers
K Saitoh, M Koshiba
IEEE Photonics Technology Letters 15 (10), 1384-1386, 2003
Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window
K Saitoh, M Koshiba
Optics Express 12 (10), 2027-2032, 2004
Coupling characteristics of dual-core photonic crystal fiber couplers
K Saitoh, Y Sato, M Koshiba
Optics express 11 (24), 3188-3195, 2003
Leakage loss and group velocity dispersion in air-core photonic bandgap fibers
K Saitoh, M Koshiba
Optics Express 11 (23), 3100-3109, 2003
Design of a compact two-mode multi/demultiplexer consisting of multimode interference waveguides and a wavelength-insensitive phase shifter for mode-division multiplexing …
T Uematsu, Y Ishizaka, Y Kawaguchi, K Saitoh, M Koshiba
Journal of Lightwave Technology 30 (15), 2421-2426, 2012
Ultra-flattened chromatic dispersion controllability using a defected-core photonic crystal fiber with low confinement losses
K Saitoh, N Florous, M Koshiba
Optics Express 13 (21), 8365-8371, 2005
Multi-core fiber design and analysis: coupled-mode theory and coupled-power theory
M Koshiba, K Saitoh, K Takenaga, S Matsuo
Optics express 19 (26), B102-B111, 2011
Demonstration of mode-division multiplexing transmission over 10 km two-mode fiber with mode coupler
N Hanzawa, K Saitoh, T Sakamoto, T Matsui, S Tomita, M Koshiba
Optical Fiber Communication Conference, OWA4, 2011
Applicability of classical optical fiber theories to holey fibers
M Koshiba, K Saitoh
Optics letters 29 (15), 1739-1741, 2004
Multi-core fiber
S Matsuo, K Saitoh, M Koshiba
US Patent 9,081,129, 2015
Air-core photonic band-gap fibers: the impact of surface modes
K Saitoh, NA Mortensen, M Koshiba
Optics Express 12 (3), 394-400, 2004
Full-vectorial finite element beam propagation method with perfectly matched layers for anisotropic optical waveguides
K Saitoh, M Koshiba
Journal of lightwave technology 19 (3), 405-413, 2001
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