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Okumura, Tadashi
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1

Passive waveguide loss measurements in an InGaN-based laser..:

, In: 2022 28th International Semiconductor Laser Conference (ISLC),
Yamaguchi, Atsushi A. ; Ogasawara, Kenta ; Sakai, Shigeta.. - p. 1-2 , 2022
Link: https://doi.org/10.23919..
 
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2

On-chip optical interconnection using integrated germanium ..:

Tani, Kazuki ; Okumura, Tadashi ; Oda, Katsuya..
Optics Express.  29 (2021)  18 - p. 28021 , 2021
Link: https://doi.org/10.1364/..
 
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3

Experimental study on parallel and analog optical reservoir..:

Okumura, Tadashi ; Tai, Mitsuharu ; Ando, Masahiko
Nonlinear Theory and Its Applications, IEICE.  10 (2019)  2 - p. 236-248 , 2019
Link: https://doi.org/10.1587/..
 
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4

Influence of n-type doping in germanium crystalline films g..:

Kasai, Jun-ichi ; Oda, Katsuya ; Okumura, Tadashi
Japanese Journal of Applied Physics.  57 (2018)  2 - p. 021303 , 2018
Link: https://doi.org/10.7567/..
 
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5

Room-temperature direct band-gap electroluminescence from g..:

Tani, Kazuki ; Saito, Shin-ichi ; Oda, Katsuya...
Japanese Journal of Applied Physics.  56 (2017)  3 - p. 032102 , 2017
Link: https://doi.org/10.7567/..
 
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6

Crystallinity improvements of Ge waveguides fabricated by e..:

Oda, Katsuya ; Okumura, Tadashi ; Kasai, Junichi...
Japanese Journal of Applied Physics.  55 (2016)  4S - p. 04EH06 , 2016
Link: https://doi.org/10.7567/..
 
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7

Optical net gain measurement in n-type doped germanium wave..:

Okumura, Tadashi ; Oda, Katsuya ; Kasai, Junichi..
Optics Express.  24 (2016)  9 - p. 9132 , 2016
Link: https://doi.org/10.1364/..
 
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8

(Invited) Fabrication of Ge Waveguides by Epitaxial Lateral..:

Oda, Katsuya ; Okumura, Tadashi ; Kasai, Junichi...
ECS Transactions.  75 (2016)  8 - p. 199-209 , 2016
Link: https://doi.org/10.1149/..
 
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9

Improvement of photoluminescence from Ge layer with pattern..:

Oda, Katsuya ; Okumura, Tadashi ; Tani, Kazuki..
Thin Solid Films.  557 (2014)  - p. 355-362 , 2014
Link: https://doi.org/10.1016/..
 
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10

Improving Optical Properties of Ge Layers Fabricated by Epi..:

Oda, Katsuya ; Tani, Kazuki ; Saito, Shin-ichi..
Japanese Journal of Applied Physics.  51 (2012)  4S - p. 04DG10 , 2012
Link: https://doi.org/10.7567/..
 
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11

(Invited) Si/Ge Quantum Well Light-Emitting Diode for Monol..:

Saito, Shin-ichi ; Oda, Katsuya ; Tani, Kazuki...
ECS Transactions.  45 (2012)  5 - p. 103-112 , 2012
Link: https://doi.org/10.1149/..
 
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12

Improving Optical Properties of Ge Layers Fabricated by Epi..:

Oda, Katsuya ; Tani, Kazuki ; Saito, Shin-ichi..
Japanese Journal of Applied Physics.  51 (2012)  4S - p. 04DG10 , 2012
Link: https://doi.org/10.1143/..
 
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13

Bonding and Photoluminescence Characteristics of GaInAsP/In..:

Osabe, Ryo ; Okumura, Tadashi ; Kondo, Simon..
Japanese Journal of Applied Physics.  50 (2011)  8R - p. 088005 , 2011
Link: https://doi.org/10.7567/..
 
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14

Injection-Type GaInAsP/InP Membrane Buried Heterostructure ..:

Okumura, Tadashi ; Koguchi, Takayuki ; Ito, Hitomi..
Applied Physics Express.  4 (2011)  4 - p. 042101 , 2011
Link: https://doi.org/10.1143/..
 
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15

Lateral Junction Waveguide-Type Photodiode Grown on Semi-In..:

Okumura, Tadashi ; Kondo, Daisuke ; Ito, Hitomi...
Japanese Journal of Applied Physics.  50 (2011)  2R - p. 020206 , 2011
Link: https://doi.org/10.7567/..
 
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