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Research Output 1989 2018

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2018
2 Citations (Scopus)

Integrated silicon photonic wavelength-selective switch using wavefront control waveguides

Nakamura, F., Muramatsu, K., Suzuki, K., Tanizawa, K., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2018 May 14, In : Optics Express. 26, 10, p. 13573-13589 17 p.

Research output: Contribution to journalArticle

switches
photonics
waveguides
silicon
wavelengths
2017
20 Citations (Scopus)

Current-driven phase-change optical gate switch using indium-tin-oxide heater

Kato, K., Kuwahara, M., Kawashima, H., Tsuruoka, T. & Tsuda, H., 2017 Jul 1, In : Applied Physics Express. 10, 7, 072201.

Research output: Contribution to journalArticle

Tin oxides
heaters
indium oxides
Indium
tin oxides
1 Citation (Scopus)

Differential processing for frequency chirp measurement using optical pulse synthesizer

Kashiwagi, K., Seki, S., Tsuda, H., Takenouchi, H. & Kurokawa, T., 2017 Mar 15, In : Optics Communications. 387, p. 135-140 6 p.

Research output: Contribution to journalArticle

synthesizers
chirp
optical measurement
Laser pulses
Processing
2 Citations (Scopus)

Theoretical Analysis of Noise in Erbium Doped Fiber Amplifier

Putra, A. W. S., Yamada, M., Tsuda, H. & Ambran, S., 2017 Aug 1, In : IEEE Journal of Quantum Electronics. 53, 4, 7953635.

Research output: Contribution to journalArticle

Erbium doped fiber amplifiers
erbium
amplifiers
fibers
Spontaneous emission
2016
7 Citations (Scopus)

6.4-THz-spacing, 10-channel cyclic arrayed waveguide grating for T- and O-band coarse WDM

Idris, N. A. & Tsuda, H., 2016 Apr 10, In : IEICE Electronics Express. 13, 7

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Wavelength division multiplexing
spacing
gratings
waveguides

Amplitude trimming of Si waveguides using phase change material

Eguchi, R., Asakura, H., Shimazaki, Y., Moriyama, T., Singh, G. & Tsuda, H., 2016 Mar 8, In : IEICE Electronics Express. 13, 6

Research output: Contribution to journalArticle

phase change materials
Trimming
Phase change materials
Waveguides
waveguides
10 Citations (Scopus)

A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices

Idris, N. A., Yamamoto, N., Akahane, K., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Uesugi, T., Kikuchi, T. & Tsuda, H., 2016 Feb 1, In : IEEE Photonics Journal. 8, 1, 7389328.

Research output: Contribution to journalArticle

time division multiplexing
Time division multiplexing
wavelength division multiplexing
Semiconductor devices
semiconductor devices
18 Citations (Scopus)

Full-mesh T- and O-band wavelength router based on arrayed waveguide gratings

Idris, N. A., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Zervas, G. & Tsuda, H., 2016 Jan 11, In : Optics Express. 24, 1, p. 672-686 15 p.

Research output: Contribution to journalArticle

mesh
gratings
waveguides
wavelengths
data transmission
2015
2 Citations (Scopus)

Design and characterization of an arrayed-waveguide grating router with an interleave-chirped array

Asakura, H. & Tsuda, H., 2015 Apr 9, In : IEICE Electronics Express. 12, 9

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Routers
gratings
waveguides
communication
3 Citations (Scopus)

Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography

Muramatsu, K., Asakura, H., Suzuki, K., Tanizawa, K., Toyama, M., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2015 Apr 10, In : IEICE Electronics Express. 12, 7

Research output: Contribution to journalArticle

Arrayed waveguide gratings
phase error
Photolithography
photolithography
Measurement errors
2014
5 Citations (Scopus)

Switching characteristics of a 100-GHz-spacing integrated 40-λ 1 × 4 wavelength selective switch

Yoshida, T., Asakura, H., Tsuda, H., Mizuno, T. & Takahashi, H., 2014 Mar 1, In : IEEE Photonics Technology Letters. 26, 5, p. 451-453 3 p., 6691931.

Research output: Contribution to journalArticle

switches
Switches
spacing
Wavelength
bit error rate
14 Citations (Scopus)

Ultra-compact, self-holding asymmetric Mach-Zehnder interferometer switch using Ge2Sb2Te5 phase-change material

Moriyama, T., Tanaka, D., Jain, P., Kawashima, H., Kuwahara, M., Wang, X. & Tsuda, H., 2014 Jul 11, In : IEICE Electronics Express. 11, 15

Research output: Contribution to journalArticle

Mach-Zehnder interferometers
phase change materials
Phase change materials
switches
Optical switches
2013
11 Citations (Scopus)

Compact and phase-error-robust multilayered AWG-based wavelength selective switch driven by a single LCOS

Sorimoto, K., Tanizawa, K., Uetsuka, H., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H. & Tsuda, H., 2013 Jul 15, In : Optics Express. 21, 14, p. 17131-17149 19 p.

Research output: Contribution to journalArticle

Liquid Crystals
phase error
Silicon
switches
liquid crystals
7 Citations (Scopus)

Integrated 40-λ 1×2 wavelength selective switch without waveguide crossings

Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2013, In : IEEE Photonics Technology Letters. 25, 6, p. 531-534 4 p., 6412718.

Research output: Contribution to journalArticle

Waveguides
switches
Switches
waveguides
Wavelength
2 Citations (Scopus)

MEMS mirror with slot structures suitable for flexible-grid WSS

Sorimoto, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2013, In : IEICE Electronics Express. 10, 3

Research output: Contribution to journalArticle

slots
microelectromechanical systems
MEMS
Mirrors
switches
2012
4 Citations (Scopus)

200-GHz spacing, 8ch, high-speed wavelength selective arrayed-waveguide grating using buried PLZT waveguides

Asakura, H., Nashimoto, K., Kudzuma, D., Hashimoto, M. & Tsuda, H., 2012, In : IEICE Electronics Express. 9, 7, p. 712-717 6 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Waveguides
spacing
high speed
gratings
1 Citation (Scopus)

A novel silica waveguide lens for free-space optical cross connects

Idrisa, N. A., Sorimoto, K. & Tsuda, H., 2012, In : IEICE Electronics Express. 9, 11, p. 998-1004 7 p.

Research output: Contribution to journalArticle

Silicon Dioxide
Lenses
Waveguides
Silica
lenses
9 Citations (Scopus)

High-speed wavelength selective operation of PLZT-based arrayed-waveguide grating

Asakura, H., Nashimoto, K., Kudzuma, D., Hashimoto, M. & Tsuda, H., 2012 Aug 2, In : Electronics Letters. 48, 16, p. 1009-1010 2 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Wavelength
Insertion losses
Waveguides
Bandwidth
39 Citations (Scopus)

Ultra-small, self-holding, optical gate switch using Ge2Sb 2Te5 with a multi-mode Si waveguide

Tanaka, D., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Toyosaki, T., Ikuma, Y. & Tsuda, H., 2012 Apr 23, In : Optics Express. 20, 9, p. 10283-10294 12 p.

Research output: Contribution to journalArticle

switches
waveguides
irradiation
dynamic response
extinction
2011
3 Citations (Scopus)

Circulator-free reflection-type tunable optical dispersion compensator using tandem arrayed-waveguide gratings

Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2011, In : Journal of Lightwave Technology. 29, 16, p. 2447-2453 7 p., 5887369.

Research output: Contribution to journalArticle

compensators
gratings
waveguides
modulation
10 Citations (Scopus)

Demonstration of 1000-times switching of phase-change optical gate with Si wire waveguides

Tanaka, D., Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Toyosaki, T. & Tsuda, H., 2011 Feb 17, In : Electronics Letters. 47, 4, p. 268-269 2 p.

Research output: Contribution to journalArticle

Waveguides
Demonstrations
Wire
Laser beam effects
Pulsed lasers
2 Citations (Scopus)

Optical spectrum control circuit using an arrayed-waveguide grating and tunable phase shifters

Kato, K., Ikuma, Y., Takahashi, H., Mizuno, T. & Tsuda, H., 2011 Mar 25, In : IEICE Electronics Express. 8, 6, p. 391-396 6 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Phase shifters
optical spectrum
Waveguides
gratings
2 Citations (Scopus)

Phase error compensation for multilayered AWG in LCOS-based WSS

Sorimoto, K., Kintaka, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2011 Dec 25, In : IEICE Electronics Express. 8, 24, p. 2054-2060 7 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Liquid Crystals
Error compensation
phase error
Silicon
1 Citation (Scopus)

Tunable optical dispersion compensator with a high-resolution arrayed-waveguide grating

Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2011 Dec 25, In : IEICE Electronics Express. 8, 24, p. 2087-2092 6 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
compensators
gratings
waveguides
high resolution
2010
2 Citations (Scopus)

Fast aberration-correcting algorithm for an SLM-based optical switch

Sorimoto, K., Kintaka, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2010 Dec, In : IEICE Electronics Express. 7, 23, p. 1728-1734 7 p.

Research output: Contribution to journalArticle

Optical switches
light modulators
Aberrations
aberration
switches
2 Citations (Scopus)

LiNbO3 optical switch using asymmetric X-junction waveguide for broadband optical network node

Sakamaki, T., Narita, Y., Tsuda, H., Nakajima, S. & Kawanishi, T., 2010 Mar 10, In : IEICE Electronics Express. 7, 5, p. 360-364 5 p.

Research output: Contribution to journalArticle

Waveguide junctions
Broadband networks
Optical switches
Fiber optic networks
switches
19 Citations (Scopus)

Reversible optical gate switching in Si wire waveguide integrated with Ge2Sb2Te5 thin film

Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Tanaka, D. & Tsuda, H., 2010 Oct 14, In : Electronics Letters. 46, 21, p. 1460-1462 3 p.

Research output: Contribution to journalArticle

Waveguides
Wire
Thin films
Crystalline materials
Phase change materials
39 Citations (Scopus)

Small-sized optical gate switch using Ge2Sb2Te 5 phase-change material integrated with silicon waveguide

Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Tanaka, D. & Tsuda, H., 2010, In : Electronics Letters. 46, 5, p. 368-369 2 p.

Research output: Contribution to journalArticle

Phase change materials
Waveguides
Switches
Silicon
Laser pulses
2009
1 Citation (Scopus)

An athermal delay interference circuit using trenches filled with low-refractive index material

Iwamoto, K., Ito, J. & Tsuda, H., 2009 Dec 25, In : IEICE Electronics Express. 6, 24, p. 1769-1773 5 p.

Research output: Contribution to journalArticle

Refractive index
Waveguides
Silicon Dioxide
refractivity
waveguides
10 Citations (Scopus)

AWG-Based Tunable Optical Dispersion Compensator With Multiple Lens Structure

Ikuma, Y. & Tsuda, H., 2009 Nov 15, In : Journal of Lightwave Technology. 27, 22, p. 5202-5207 6 p.

Research output: Contribution to journalArticle

compensators
lenses
gratings
waveguides
resins
15 Citations (Scopus)

Generation of 100-Gb/s packets having 8-bit return-to-zero patterns using an optical pulse synthesizer with a lookup table

Tanaka, Y., Kobe, R., Shioda, T., Tsuda, H. & Kurokawa, T., 2009, In : IEEE Photonics Technology Letters. 21, 1, p. 39-41 3 p.

Research output: Contribution to journalArticle

synthesizers
Table lookup
Electric current control
Laser pulses
Specifications
11 Citations (Scopus)

High-speed photonic functional circuits using electrically controllable PLZT waveguides

Ito, J., Yasumoto, M., Nashimoto, K. & Tsuda, H., 2009, In : IEICE Transactions on Electronics. E92-C, 5, p. 713-718 6 p.

Research output: Contribution to journalArticle

Photonics
Waveguides
Switches
Arrayed waveguide gratings
Networks (circuits)
15 Citations (Scopus)

Low loss, small crosstalk offset crossing structure for large-scale planar lightwave circuits

Tanaka, D., Ikuma, Y. & Tsuda, H., 2009 Apr 10, In : IEICE Electronics Express. 6, 7, p. 407-411 5 p.

Research output: Contribution to journalArticle

Crosstalk
crosstalk
Networks (circuits)
transmission loss
Waveguides
9 Citations (Scopus)

Novel Silica-Based Waveguide-Type Polarization Beam Splitters Using Trenches Filled With Low-Refractive-Index Material

Ito, J., Tsuda, H., Ito, J. & Tsuda, H., 2009 Dec 15, In : Journal of Lightwave Technology. 27, 24, p. 5668-5674 7 p.

Research output: Contribution to journalArticle

beam splitters
refractivity
silicon dioxide
waveguides
polarization
6 Citations (Scopus)
refractivity
silicon dioxide
waveguides
spacing
cascades
2008
63 Citations (Scopus)

Analog and digital optical pulse synthesizers using arrayed-waveguide gratings for high-speed optical signal processing

Tsuda, H., Tanaka, Y., Shioda, T. & Kurokawa, T., 2008 Mar 15, In : Journal of Lightwave Technology. 26, 6, p. 670-677 8 p.

Research output: Contribution to journalArticle

Optical signal processing
Arrayed waveguide gratings
synthesizers
Modulators
optical communication

From editor-in-chief

Kobayashi, K., Tsuda, H., Nishikawa, K., Boyraz, O., Furuta, H., Izutsu, M., Kawanishi, S., Kawashima, H., Makita, K., Nakazawa, M., Stubkjaer, K. E., Tsuji, S., Uenohara, H., Weiner, A. M., Wu, M. C., Honjo, K., Itoh, Y., Nakayama, M., Nishimoto, M., Ra, J. W. & 25 others, Sanada, A., Seeds, A. J., Asai, T., Fujimoto, R., Fujishima, M., Iwai, H., Lee, W. S., Masu, K., Matsuoka, T., De Meyer, K., Sano, E., Shiojima, K., Ueda, D., Watanabe, M., Yaegassi, S., Esashi, M., Shikida, M., Toshiyoshi, H., Kawai, T., Yoshlkawa, N., Yamamoto, S., Ktkuchi, H., Taguchi, A., Takashimia, K. & Yamamoto, G., 2008 Feb 25, In : IEICE Electronics Express. 5, 4

Research output: Contribution to journalArticle

From editor-in-chief

Kobayashi, K., Tsuda, H., Nishikawa, K., Boyraz, O., Furuta, H., Izutsu, M., Kawanishi, S., Kawashima, H., Makita, K., Nakazawa, M., Stubkjaer, K. E., Tsuji, S., Uenohara, H., Weiner, A. M., Wu, M. C., Honjo, K., Itoh, Y., Nakayama, M., Nishimoto, M., Ra, J. W. & 25 others, Sanada, A., Seeds, A. J., Asai, T., Fujimoto, R., Fujishima, M., Iwai, H., Lee, W. S., Masu, K., Matsuoka, T., De Meyer, K., Sano, E., Shiojima, K., Ueda, D., Watanabe, M., Yaegassi, S., Esashi, M., Shikida, M., Toshiyoshi, H., Kawai, T., Yoshlkawa, N., Yamamoto, S., Ktkuchi, H., Taguchi, A., Takashimia, K. & Yamamoto, G., 2008 Mar 25, In : IEICE Electronics Express. 5, 6

Research output: Contribution to journalArticle

From Editor-in-Chief

Kobayashi, K., Tsuda, H., Nishikawa, K., Boyraz, O., Furuta, H., Izutsu, M., Kawanishi, S., Kawashima, H., Makita, K., Nakazawa, M., Stubkjakr, K. E., Tsuji, S., Uenohara, H., Weiner, A. M., Ming, C. W. U., Honjo, K., Itoh, Y., Nakayama, M., Nishlmoto, M., Ra, J. W. & 25 others, Sanada, A., Seeds, A. J., Asai, T., Fujimoto, R., Fujishima, M., Iwai, H., Won-Seong, L. E. E., Masu, K., Matsuoka, T., De Meyer, K., Sano, E., Shiojima, K., Ueda, D., Watanabe, M., Yaegassi, S., Esashi, M., Shikida, M., Toshiyoshi, H., Kawai, T., Yoshikawa, N., Yamamoto, S., Ktkuchi, H., Taguchi, A., Takashimia, K. & Yamamoto, G., 2008 Apr 10, In : IEICE Electronics Express. 5, 7

Research output: Contribution to journalArticle

Integrated loop mirrors for catoptric functional waveguide devices

Ikuma, Y., Ito, J. & Tsuda, H., 2008 Mar 10, In : IEICE Electronics Express. 5, 5, p. 176-180 5 p.

Research output: Contribution to journalArticle

Waveguides
mirrors
waveguides
Arrayed waveguide gratings
Silicon Dioxide
24 Citations (Scopus)

Proposal of a small self-holding 2×2 optical switch using phase-change material

Ikuma, Y., Saiki, T. & Tsuda, H., 2008 Jun 25, In : IEICE Electronics Express. 5, 12, p. 442-445 4 p.

Research output: Contribution to journalArticle

phase change materials
Optical switches
Phase change materials
proposals
switches
2007
1 Citation (Scopus)

180-degree-bend structures using light reflection at double elliptic mirror in slab waveguide

Ishida, M., Ikuma, Y., Suzuki, T. & Tsuda, H., 2007 Jan 10, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 46, 1, p. 168-174 7 p.

Research output: Contribution to journalArticle

Light reflection
Mirrors
slabs
Waveguides
mirrors
16 Citations (Scopus)

Fabrication of (Pb,La)(Zr,Ti)O3 thin-film arrayed waveguide grating

Yasumoto, M., Suzuki, T., Tsuda, H., Raj, M., Kudzuma, D., Dawley, J., Ritums, D., Tanaka, Y. & Nashimoto, K., 2007, In : Electronics Letters. 43, 1, p. 24-25 2 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Optical switches
Crosstalk
Insertion losses
Fabrication
3 Citations (Scopus)

Spectral phase encoder employing an arrayed-waveguide grating and phase-shifting structure

Miyamoto, D. & Tsuda, H., 2007 Sep 1, In : IEEE Photonics Technology Letters. 19, 17, p. 1289-1291 3 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Phase structure
coders
gratings
waveguides
2006
2 Citations (Scopus)

A novel 2 × 2 multi-arm type of optical switch using multimode interference couplers

Masuda, K., Tate, A. & Tsuda, H., 2006 May 10, In : IEICE Electronics Express. 3, 9, p. 191-196 6 p.

Research output: Contribution to journalArticle

Optical switches
couplers
switches
interference
Phase shifters
1 Citation (Scopus)

Arrayed-waveguide grating with wavefront compensation lenses for spatial filter integration

Yasumoto, M., Suzuki, T., Tate, A. & Tsuda, H., 2006 Jun 10, In : IEICE Electronics Express. 3, 11, p. 221-226 6 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Wavefronts
Lenses
lenses
gratings
3 Citations (Scopus)

Beam steering type of 1: 4 optical switch using thermo-optic effect

Masuda, K., Tate, A., Ishida, M., Suzuki, T. & Tsuda, H., 2006 Jul, In : Optical Review. 13, 4, p. 184-188 5 p.

Research output: Contribution to journalArticle

beam steering
switches
optics
waveguides
polymers
1 Citation (Scopus)
Arrayed waveguide gratings
gratings
waveguides
spacing
Waveguides
5 Citations (Scopus)

Compact silica arrayed-waveguide grating with small bend radius utilizing trenches filled with low-refractive index material

Ito, J., Fan, T. Y. T., Suzuki, T. & Tsuda, H., 2006 Dec 10, In : IEICE Electronics Express. 3, 23, p. 499-503 5 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
Silicon Dioxide
Refractive index
Waveguides
Silica
6 Citations (Scopus)

Dispersion compensator using a compact arrayed-waveguide grating with a dispersion-adjusting structure

Suzuki, T., Masuda, K., Ishikawa, H., Abe, Y., Kashimura, S., Uetsuka, H. & Tsuda, H., 2006 Feb 10, In : IEICE Electronics Express. 3, 3, p. 58-63 6 p.

Research output: Contribution to journalArticle

Arrayed waveguide gratings
compensators
adjusting
gratings
waveguides