Search Results - "Takano, Junya"
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Dispersion-managed mode-locked Tm:ZBLAN fiber lasers
Published in Optics express (21-10-2024)“…We demonstrated a dispersion-managed 2 µm ultrafast laser based on Tm:ZBLAN fiber. By controlling intracavity net dispersion using passive fibers, we observed…”
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Low-Loss and Small 2 × 4λ Multiplexers Based on 2 × 2 and 2 × 1 Mach-Zehnder Interferometers With On-Chip Polarization Multiplexing for 400GbE
Published in Journal of lightwave technology (01-01-2021)“…Two silicon, 4λ O-band multiplexers (MUXs) for 400GbE using two Mach-Zehnder interferometers (MZIs) having 90-degree phase shift in their output with the help…”
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A novel Si four-wavelength multiplexer for 100/400GbE using higher-order mode composed of (a)symmetric directional couplers and TE 1 -TM 0 mode converter
Published in Optics express (09-12-2019)“…A novel Si four-wavelength multiplexer (MUX) for 100/400GbE composed of (a)symmetric directional couplers and a rib-waveguide TE -TM mode converter is proposed…”
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Detaching thin catheter from adhesion on blood vessel wall using acoustic radiation force with solid vibration
Published in Japanese Journal of Applied Physics (01-07-2020)“…We have previously performed experiments where we used acoustic radiation force to bend thin catheters. Before considering clinical applications of this…”
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Proposal of Si Four-Wavelength Multiplexer Using Higher-Order Mode for 100GbE
Published in 2018 23rd Opto-Electronics and Communications Conference (OECC) (01-07-2018)“…We propose a Si four-wavelength multiplexer for 100GbE using (a)symmetric directional couplers and TE 1 TM 0 mode converter. The proposed device does not…”
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Conference Proceeding -
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Low-Loss Silicon 2 × 4λ Multiplexers Composed of On-Chip Polarization-Splitter-Rotator and 2 × 2 and 2 × 1 Mach-Zehnder Filters for 400GbE
Published in 2020 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2020)“…2×4λ Si-photonics multiplexers for 400GbE composed of Mach-Zehnder filters and a polarization-splitter-rotator are proposed and experimentally demonstrated for…”
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Conference Proceeding -
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Ultra-High-Density Microduct Cable with Uncoupled 12-Core Fibers with Standard 250-µm Coating
Published in 2023 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2023)“…We developed 12-core fibers suitable for short/medium-reach applications and fabricated a 144-fiber 8-mm-outer-diameter cable using the 12-core fibers, which…”
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Conference Proceeding -
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Low-Loss and Fabrication-Tolerant Si Four-Wavelength Multiplexer using Higher-Order Mode for 100/400GbE
Published in 2019 Optical Fiber Communications Conference and Exhibition (OFC) (01-03-2019)“…A Si four-wavelength multiplexer for 100/400GbE composed of (a)symmetric directional couplers and a rib-waveguide mode-converter is experimentally…”
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Conference Proceeding -
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Experimental Study to Bend Thin Catheter Independent to Ultrasound Propagation Direction by Tempo-Spatial Division Emission Using Multiple Transducers
Published in 2018 IEEE International Ultrasonics Symposium (IUS) (01-10-2018)“…We have already experimented on the bending of a thin catheter with acoustic radiation force not only in the direction of ultrasound propagation but also in…”
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Conference Proceeding