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WATARU KOBAYASHI
WATARU KOBAYASHI
Nippon Telegraph and Telephone Corporation
Verified email at bird.ocn.ne.jp
Title
Cited by
Cited by
Year
Few-fJ/bit data transmissions using directly modulated lambda-scale embedded active region photonic-crystal lasers
K Takeda, T Sato, A Shinya, K Nozaki, W Kobayashi, H Taniyama, ...
Nature Photonics 7 (7), 569-575, 2013
2582013
50-Gb/s direct modulation of a 1.3-μm InGaAlAs-based DFB laser with a ridge waveguide structure
W Kobayashi, T Ito, T Yamanaka, T Fujisawa, Y Shibata, T Kurosaki, ...
IEEE Journal of Selected Topics in Quantum Electronics 19 (4), 1500908-1500908, 2013
1172013
Design and fabrication of 10-/40-Gb/s, uncooled electroabsorption modulator integrated DFB laser with butt-joint structure
W Kobayashi, M Arai, T Yamanaka, N Fujiwara, T Fujisawa, T Tadokoro, ...
Journal of Lightwave Technology 28 (1), 164-171, 2009
1152009
Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module
S Kanazawa, H Yamazaki, Y Nakanishi, T Fujisawa, K Takahata, Y Ueda, ...
Optical Fiber Communication Conference, Th5B. 3, 2016
1132016
Novel structures of carbon layers on a Pt (111) surface
T Fujita, W Kobayashi, C Oshima
Surface and Interface Analysis: An International Journal devoted to the …, 2005
1012005
On the complexity reduction of the second-order Volterra nonlinear equalizer for IM/DD systems
NP Diamantopoulos, H Nishi, W Kobayashi, K Takeda, T Kakitsuka, ...
Journal of lightwave technology 37 (4), 1214-1224, 2018
962018
1.3-μm, 4× 25-Gbit/s, EADFB laser array module with large-output-power and low-driving-voltage for energy-efficient 100GbE transmitter
T Fujisawa, S Kanazawa, K Takahata, W Kobayashi, T Tadokoro, H Ishii, ...
Optics Express 20 (1), 614-620, 2012
702012
214-Gb/s 4-PAM operation of flip-chip interconnection EADFB laser module
S Kanazawa, H Yamazaki, Y Nakanishi, Y Ueda, W Kobayashi, ...
Journal of Lightwave Technology 35 (3), 418-422, 2016
582016
Flip-Chip Interconnection Lumped-Electrode EADFB Laser for 100-Gb/s/ Transmitter
S Kanazawa, T Fujisawa, K Takahata, T Ito, Y Ueda, W Kobayashi, H Ishii, ...
IEEE Photonics Technology Letters 27 (16), 1699-1701, 2015
492015
1.3 [mu] m, 50 Gbit/s electroabsorption modulators integrated with DFB laser for beyond 100G parallel LAN applications
T Fujisawa, K Takahata, W Kobayashi, T Tadokoro, N Fujiwara, ...
Electronics letters 47 (12), 1, 2011
452011
25 Gbit/s 1.3 µm InGaAlAs-based electroabsorption modulator integrated with DFB laser for metro-area (40 km) 100 Gbit/s Ethernet system
T Fujisawa, M Arai, N Fujiwara, W Kobayashi, T Tadokoro, K Tsuzuki, ...
Electronics letters 45 (17), 1, 2009
432009
Novel approach for chirp and output power compensation applied to a 40-Gbit/s EADFB laser integrated with a short SOA
W Kobayashi, M Arai, T Fujisawa, T Sato, T Ito, K Hasebe, S Kanazawa, ...
Optics express 23 (7), 9533-9542, 2015
392015
Low-Loss Cascaded Mach–Zehnder Multiplexer Integrated EADFB Laser Array for Future CFP4 100 GbE Transmitter
T Fujisawa, S Kanazawa, Y Ueda, W Kobayashi, K Takahata, A Ohki, T Ito, ...
IEEE Journal of Quantum Electronics 49 (12), 1001-1007, 2013
392013
30-km error-free transmission of directly modulated DFB laser array transmitter optical sub-assembly for 100-Gb application
S Kanazawa, W Kobayashi, Y Ueda, T Fujisawa, K Takahata, T Ohno, ...
Journal of Lightwave Technology 34 (15), 3646-3652, 2016
372016
Advantages of EADFB laser for 25 Gbaud/s 4‐PAM (50 Gbit/s) modulation and 10 km single‐mode fibre transmission
W Kobayashi, T Fujisawa, T Ito, S Kanazawa, Y Ueda, H Sanjoh
Electronics Letters 50 (9), 683-685, 2014
372014
43 Gb/s 1.3 μm DFB Laser for 40 km Transmission
T Tadokoro, W Kobayashi, T Fujisawa, T Yamanaka, F Kano
Journal of lightwave technology 30 (15), 2520-2524, 2012
362012
80-Gbit/s InP DQPSK modulator with an npin structure
N Kikuchi, H Sanjoh, Y Shibata, K Tsuzuki, T Sato, E Yamada, T Ishibashi, ...
33rd European Conference and Exhibition of Optical Communication, 1-2, 2007
322007
High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4
M Nada, S Kanazawa, H Yamazaki, Y Nakanishi, W Kobayashi, Y Doi, ...
Optical Fiber Communication Conference, M3C. 2, 2015
302015
Wide Temperature Range Operation of a 1.55-m 40-Gb/s Electroabsorption Modulator Integrated DFB Laser for Very Short-Reach Applications
W Kobayashi, T Yamanaka, M Arai, N Fujiwara, T Fujisawa, K Tsuzuki, ...
IEEE Photonics Technology Letters 21 (18), 1317-1319, 2009
262009
Compact hybrid integrated 100-Gb/s transmitter optical sub-assembly using optical butt-coupling between EADFB lasers and silica-based AWG multiplexer
T Ohyama, Y Doi, W Kobayashi, S Kanazawa, K Takahata, A Kanda, ...
Journal of Lightwave Technology 34 (3), 1038-1046, 2016
252016
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