Takenaka M - Search Results

1

Design of compact and low-loss S-bends by CMA-ES.

Miyatake Y, Toprasertpong K, Takagi S, Takenaka M. Miyatake Y, et al. Among authors: takenaka m. Opt Express. 2023 Dec 18;31(26):43850-43863. doi: 10.1364/OE.504866. Opt Express. 2023. PMID: 38178471 Free article.

2

Dark current reduction of Ge photodetector by GeO₂ surface passivation and gas-phase doping.

Takenaka M, Morii K, Sugiyama M, Nakano Y, Takagi S. Takenaka M, et al. Opt Express. 2012 Apr 9;20(8):8718-25. doi: 10.1364/OE.20.008718. Opt Express. 2012. PMID: 22513582 Free article.

3

Low-driving-current InGaAsP photonic-wire optical switches using III-V CMOS photonics platform.

Ikku Y, Yokoyama M, Ichikawa O, Hata M, Takenaka M, Takagi S. Ikku Y, et al. Among authors: takenaka m. Opt Express. 2012 Dec 10;20(26):B357-64. doi: 10.1364/OE.20.00B357. Opt Express. 2012. PMID: 23262873 Free article.

4

Ge-rich SiGe-on-insulator for waveguide optical modulator application fabricated by Ge condensation and SiGe regrowth.

Kim Y, Yokoyama M, Taoka N, Takenaka M, Takagi S. Kim Y, et al. Among authors: takenaka m. Opt Express. 2013 Aug 26;21(17):19615-23. doi: 10.1364/OE.21.019615. Opt Express. 2013. PMID: 24105508 Free article.

5

Low temperature Al2O3 surface passivation for carrier-injection SiGe optical modulator.

Kim Y, Han J, Takenaka M, Takagi S. Kim Y, et al. Among authors: takenaka m. Opt Express. 2014 Apr 7;22(7):7458-64. doi: 10.1364/OE.22.007458. Opt Express. 2014. PMID: 24718120 Free article.

6

Strain-induced enhancement of plasma dispersion effect and free-carrier absorption in SiGe optical modulators.

Kim Y, Takenaka M, Osada T, Hata M, Takagi S. Kim Y, et al. Among authors: takenaka m. Sci Rep. 2014 Apr 15;4:4683. doi: 10.1038/srep04683. Sci Rep. 2014. PMID: 24732468 Free PMC article.

7

Demonstration of record-low injection-current variable optical attenuator based on strained SiGe with optimized lateral pin junction.

Kim Y, Fujikata J, Takahashi S, Takenaka M, Takagi S. Kim Y, et al. Among authors: takenaka m. Opt Express. 2015 May 4;23(9):12354-61. doi: 10.1364/OE.23.012354. Opt Express. 2015. PMID: 25969320 Free article.

8

Suppression of dark current in GeOx-passivated germanium metal-semiconductor-metal photodetector by plasma post-oxidation.

Kang J, Zhang R, Takenaka M, Takagi S. Kang J, et al. Among authors: takenaka m. Opt Express. 2015 Jun 29;23(13):16967-76. doi: 10.1364/OE.23.016967. Opt Express. 2015. PMID: 26191706 Free article.

9

First demonstration of SiGe-based carrier-injection Mach-Zehnder modulator with enhanced plasma dispersion effect.

Kim Y, Fujikata J, Takahashi S, Takenaka M, Takagi S. Kim Y, et al. Among authors: takenaka m. Opt Express. 2016 Feb 8;24(3):1979-85. doi: 10.1364/OE.24.001979. Opt Express. 2016. PMID: 26906774 Free article.

10

Novel Ge waveguide platform on Ge-on-insulator wafer for mid-infrared photonic integrated circuits.

Kang J, Takenaka M, Takagi S. Kang J, et al. Among authors: takenaka m. Opt Express. 2016 May 30;24(11):11855-64. doi: 10.1364/OE.24.011855. Opt Express. 2016. PMID: 27410108 Free article.

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