• 1766 Citations
  • 24 h-Index
1978 …2019

Research output per year

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Article
2005

Implementation of tapered multimode interference lightwave combiner on silicon-on-insulator substrate with negligible back-reflection

Wu, Z., Nakamura, K., Honda, S., Utaka, K., Edura, T., Tsutsui, K. & Wada, Y., 2005, In : Japanese Journal of Applied Physics, Part 2: Letters. 44, 28-32

Research output: Contribution to journalArticle

4 Citations (Scopus)
6 Citations (Scopus)

Study on tapered multimode interference-based coherent lightwave combiners

Zhigang, W. U. & Utaka, K., 2005, In : IEICE Transactions on Electronics. E88-C, 5, p. 1005-1011 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2006

Fabrication and evaluation of Bragg gratings on optimally designed silicon-on-insulator rib waveguides using electron-beam lithography

Wu, Z., Zhang, W., Wang, Z., Kai, G., Yuan, S., Dong, X., Utaka, K. & Wada, Y., 2006 Aug, In : Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors. 27, 8, p. 1347-1350 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Operational design on high-speed semiconductor optical amplifier with assist light for application to wavelength converters using cross-phase modulation

Matsumoto, A., Nishimura, K., Utaka, K. & Usami, M., 2006 Mar, In : IEEE Journal of Quantum Electronics. 42, 3, p. 313-323 11 p., 01597418.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Tapered multimode interference combiners for coherent receivers

Wu, Z., Zhang, W., Wang, Z., Kai, G., Yuan, S., Dong, X., Utaka, K. & Yasuo, W., 2006 Feb, In : Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors. 27, 2, p. 328-335 8 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2007

Largely-tunable wideband Bragg gratings fabricated on SOI rib waveguides employed by deep-RIE

Honda, S., Wu, Z., Matsui, J., Utaka, K., Edura, T., Tokuda, M., Tsutsui, K. & Wada, Y., 2007, In : Electronics Letters. 43, 11, p. 630-631 2 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2008

Tunable monolithic DWDM band-selection interleaver filter switch on silicon-on-insulator substrate

Wu, Z., Honda, S., Matsui, J., Utaka, K., Edura, T., Tokuda, M., Tsutsui, K. & Wada, W., 2008 Oct 1, In : Journal of Lightwave Technology. 26, 19, p. 3363-3368 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Very-low-current and high-speed switching operation of InAlGaAs/InAlAs/InP Mach-Zehnder interferometer-type photonic switch

Ueda, Y., Nakamura, S., Utaka, K., Shiota, T. & Kitatani, T., 2008 Sep, In : Applied Physics Express. 1, 9, p. 923011-923013 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2009

Nonblocking N×N integrated photonic switching architecture using rearrangeable nested rings

Xie, N. & Utaka, K., 2009, In : Optical Engineering. 48, 9, 095401.

Research output: Contribution to journalArticle

Polarization-independent low-crosstalk operation of InAlGaAs-InAlAs mach-zehnder interferometer-type photonic switch with hybrid waveguide structure

Ueda, Y., Nakamura, S., Fujimoto, S., Yamada, H., Utaka, K., Shiota, T. & Kitatani, T., 2009 Aug 15, In : IEEE Photonics Technology Letters. 21, 16, p. 1118-1120 3 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Very low-power, polarization-independent, and high-speed polymer thermooptic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009 Dec, In : IEEE Photonics Technology Letters. 21, 24, p. 1861-1863 3 p., 5290106.

Research output: Contribution to journalArticle

34 Citations (Scopus)

Very low power operation of compact MMI polymer thermooptic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009 Sep 15, In : IEEE Photonics Technology Letters. 21, 18, p. 1335-1337 3 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2012

4 ×4 InAlGaAs/InAlAs optical-switch fabric by cascading mach-zehnder interferometer-type optical switches with low-power and low-polarization- dependent operation

Ueda, Y., Koyama, N., Kambayashi, K., Fujimoto, S., Utaka, K., Shiota, T. & Kitatani, T., 2012, In : IEEE Photonics Technology Letters. 24, 9, p. 757-759 3 p., 6151035.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2013

Numerical analysis of ultrafast performances of all-optical logic-gate devices integrated with InAs QD-SOA and ring resonators

Matsumoto, A., Kuwata, K., Matsushita, A., Akahane, K. & Utaka, K., 2013, In : IEEE Journal of Quantum Electronics. 49, 1, p. 51-58 8 p., 6332458.

Research output: Contribution to journalArticle

24 Citations (Scopus)
2014

Design and performance of low-power, high-speed, polarization-independent and wideband polymer buried-channel waveguide thermo-optic switches

Xie, N., Hashimoto, T. & Utaka, K., 2014 Sep 1, In : Journal of Lightwave Technology. 32, 17, p. 3067-3073 7 p., 6848781.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Intermixing of InP-based quantum dots and application to micro-ring resonator wavelength-selective filter for photonic integrated devices

Matsumoto, A., Matsushita, A., Takei, Y., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2014 Sep 1, In : Applied Physics Express. 7, 9, 092801.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2015

Gain characteristics and femto-second optical pulse response of 1550 nm-band multi-stacked QD-SOA grown on InP(311)B substrate

Matsumoto, A., Takei, Y., Matsushita, A., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2015 Jun 1, In : Optics Communications. 344, p. 51-54 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2017

Polarization-independent and colorless switching operation of three-dimensional 4 - 4 polymer optical switch with two-layered waveguide structure

Kimura, Y., Kobayashi, H., Ema, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Dec 1, In : Japanese Journal of Applied Physics. 56, 12, 120304.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2018

Demonstration of All-Optical Logic Gate Device Using MQW-SOA and 10 Gbps XNOR Operation

Akashi, Y., Matsui, S., Isawa, S., Matsushita, A., Matsumoto, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 1, (Accepted/In press) In : Physica Status Solidi (A) Applications and Materials Science.

Research output: Contribution to journalArticle