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Keisuke Kojima
Keisuke Kojima
Boston Quantum Photonics
Verified email at bostonqp.com - Homepage
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Cited by
Cited by
Year
Deep neural network inverse design of integrated photonic power splitters
MH Tahersima, K Kojima, T Koike-Akino, D Jha, B Wang, C Lin, ...
Scientific reports 9 (1), 1368, 2019
4062019
Optical injection induced polarization bistability in vertical‐cavity surface‐emitting lasers
ZG Pan, S Jiang, M Dagenais, RA Morgan, K Kojima, MT Asom, ...
Applied physics letters 63 (22), 2999-3001, 1993
3031993
Transverse mode control of vertical-cavity top-surface-emitting lasers
RA Morgan, GD Guth, MW Focht, MT Asom, K Kojima, LE Rogers, ...
IEEE Photonics Technology Letters 5 (4), 374-377, 1993
1911993
Top‐surface emitting lasers with 1.9 V threshold voltage and the effect of spatial hole burning on their transverse mode operation and efficiencies
D Vakhshoori, JD Wynn, GJ Zydzik, RE Leibenguth, MT Asom, K Kojima, ...
Applied physics letters 62 (13), 1448-1450, 1993
1681993
High‐frequency polarization self‐modulation in vertical‐cavity surface‐emitting lasers
S Jiang, Z Pan, M Dagenais, RA Morgan, K Kojima
Applied physics letters 63 (26), 3545-3547, 1993
1481993
High-dimensional modulation for coherent optical communications systems
DS Millar, T Koike-Akino, SÖ Arık, K Kojima, K Parsons, T Yoshida, ...
Optics express 22 (7), 8798-8812, 2014
1412014
Multiset-partition distribution matching
T Fehenberger, DS Millar, T Koike-Akino, K Kojima, K Parsons
IEEE Transactions on Communications 67 (3), 1885-1893, 2018
1252018
Design of a 1 Tb/s superchannel coherent receiver
DS Millar, R Maher, D Lavery, T Koike-Akino, M Pajovic, A Alvarado, ...
Journal of Lightwave Technology 34 (6), 1453-1463, 2016
1212016
High‐power coherently coupled 8× 8 vertical cavity surface emitting laser array
RA Morgan, K Kojima, T Mullally, GD Guth, MW Focht, RE Leibenguth, ...
Applied physics letters 61 (10), 1160-1162, 1992
1041992
Analysis of the spectral linewidth of distributed feedback laser diodes
K Kojima, K Kyuma, T Nakayama
Conference on Optical Fiber Communication (OFC), 136-137, 1985
911985
Light emitting diode, method of manufacturing light emitting diode, light emitting diode backlight, light emitting diode illuminating device, light emitting diode display, and …
K Tomoda, J Suzuki, M Doi, K Kojima
US Patent 7,589,355, 2009
882009
Influence of external optical feedback on threshold and spectral characteristics of vertical-cavity surface-emitting lasers
S Jiang, Z Pan, M Dagenais, RA Morgan, K Kojima
IEEE photonics technology letters 6 (1), 34-36, 1994
861994
Nonlinearity-tolerant four-dimensional 2A8PSK family for 5-7 bits/symbol spectral efficiency
K Kojima, T Yoshida, T Akino-Koike, DS Millar, K Parsons, M Pajovic, ...
IEEE Journal of Lightwave Technology, 10.1109/JLT.2017.2662942, 2017
782017
Miniaturized silicon photonics devices for integrated optical signal processors
M Teng, A Honardoost, Y Alahmadi, SS Polkoo, K Kojima, H Wen, ...
Journal of Lightwave Technology 38 (1), 6-17, 2019
752019
Continuous wave operation of a surface‐emitting AlGaAs/GaAs multiquantum well distributed Bragg reflector laser
K Kojima, S Noda, K Mitsunaga, K Kyuma, K Hamanaka
Applied physics letters 50 (24), 1705-1707, 1987
751987
Generative deep learning model for inverse design of integrated nanophotonic devices
Y Tang, K Kojima, T Koike‐Akino, Y Wang, P Wu, Y Xie, MH Tahersima, ...
Laser & Photonics Reviews 14 (12), 2000287, 2020
642020
Calculation of two‐dimensional quantum‐confined structure using the finite element method
K Kojima, K Kyuma
7th International Workshop on Future Electron Devices, 193-194, 1989
641989
Analysis of nonlinear fiber interactions for finite-length constant-composition sequences
T Fehenberger, DS Millar, T Koike-Akino, K Kojima, K Parsons, H Griesser
Journal of Lightwave Technology 38 (2), 457-465, 2020
622020
Reduction of p-doped mirror electrical resistance of GaAs/AlGaAs vertical-cavity surface-emitting lasers by delta doping
K Kojima, RA Morgan, T Mullally, GD Guth, MW Focht, RE Leibenguth, ...
Electronics Letters 29 (20), 1771-1772, 1993
601993
Neural turbo equalization: Deep learning for fiber-optic nonlinearity compensation
T Koike-Akino, Y Wang, DS Millar, K Kojima, K Parsons
Journal of Lightwave Technology 38 (11), 3059-3066, 2020
572020
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