Search Results - "Ishibashi, Tadao"

Unitraveling-Carrier Photodiodes for Terahertz Applications by Ishibashi, Tadao, Muramoto, Yoshifumi, Yoshimatsu, Toshihide, Ito, Hiroshi

“…Device design for unitraveling-carrier photodiodes (UTC-PDs) and their derivative structures is reconsidered from the point of view of terahertz (THz)…”
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InP/InGaAs Fermi-level managed barrier diode for broadband and low-noise terahertz-wave detection by Ito, Hiroshi, Ishibashi, Tadao

“…An InP/InGaAs heterobarrier rectifier called a Fermi-level managed barrier (FMB) diode was developed for attaining broadband and low-noise terahertz (THz) wave…”
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Photonic Terahertz-Wave Generation Using Slot-Antenna-Integrated Uni-Traveling-Carrier Photodiodes by Ito, Hiroshi, Ishibashi, Tadao

“…Widely frequency-tunable terahertz-wave generation with enhanced output power was investigated using slot-antenna-integrated uni-traveling-carrier photodiodes…”
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700 GHz terahertz wave beam combination by optical phase control by Zhou, Yang, Nishiyama, Nanami, Ito, Hiroshi, Ishibashi, Tadao, Kato, Kazutoshi

“…We investigated the feasibility of terahertz wave beam combination with optical phase control using arrayed photomixers at 700 GHz which is the upper region at…”
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Uni-Traveling Carrier Photodiodes: Development and Prospects by Ishibashi, Tadao, Ito, Hiroshi

“…The development of uni-traveling carrier photodiodes over the past 25 years is briefly reviewed and the key design in their structure are discussed. Monte…”
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Matching-Circuit-Integrated InGaAsP Schottky Barrier Diode for Zero-Biased Operation in the Sub-Millimeter-Wave Range by Ito, Hiroshi, Muramoto, Yoshifumi, Yamamoto, Hiroshi, Ishibashi, Tadao

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Planar Circulator for Sub-Terahertz-Wave Reflection-Geometry Imaging by Ito, Hiroshi, Yamamoto, Hiroshi, Muramoto, Yoshifumi, Ishibashi, Tadao

“…A planar circulator circuit (PCC) implementing a 180° hybrid circuit for reflection-geometry sub-terahertz-wave imaging has been developed. The PCC is…”
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Carbon Incorporation in (AlGa)As, (AlIn)As and (GaIn)As Ternary Alloys Grown by Molecular Beam Epitaxy by Hiroshi Ito, Hiroshi Ito, Tadao Ishibashi, Tadao Ishibashi

“…Carbon incorporation in III-V ternary alloys, (AlGa)As, (AlIn)As and (GaIn)As, for the entire composition range is investigated using solid-source molecular…”
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Optoelectronic THz-Wave Beam Steering by Arrayed Photomixers With Integrated Antennas by Che, Ming, Matsuo, Yuki, Kanaya, Haruichi, Ito, Hiroshi, Ishibashi, Tadao, Kato, Kazutoshi

“…We developed a thermo-optic effect based silica optical phased array (OPA) chip and evaluated its tunability of phases of lightwaves. The THz waves, whose…”
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High-speed response of uni-traveling-carrier photodiodes by ISHIBASHI, T, KODAMA, S, SHIMIZU, N, FURUTA, T

“…The photoresponse of a uni-traveling-carrier photodiode (UTC-PD), which is configured with a neutral narrow-gap light absorption layer and a depleted wide-gap…”
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Lateral scalability of inverted p-down InAlAs/InGaAs avalanche photodiode by Nada, M., Yokoyama, H., Muramoto, Y., Ishibashi, T., Kodama, S.

“…This work investigated the field confinement behavior and junction size scaling for an inverted p-down avalanche photodiode, which requires no selective…”
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Demonstration of Data Transmission Based on AND Operation between Two Terahertz Waves for Secure Wireless Communication by Kawai, Yusuke, Yamauchi, Kenta, Ito, Hiroshi, Ishibashi, Tadao, Kato, Kazutoshi

“…We have previously proposed a physically secure wireless communication system utilizing AND operation between two signals on terahertz waves. In this paper, we…”
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Photoresponse Nonlinearity of a Uni-Traveling-Carrier Photodiode and Its Application to Optoelectronic Millimeter-Wave Mixing in 60 GHz Band by Fushimi, Hiroshi, Furuta, Tomofumu, Ishibashi, Tadao, Ito, Hiroshi

“…Nonlinear photoresponse observed in the pulsed operation of an InP/InGaAs uni-traveling-carrier photodiode (UTC-PD) is analyzed in terms of the dynamic…”
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50-Gbit/s vertical illumination avalanche photodiode for 400-Gbit/s Ethernet systems by Nada, Masahiro, Yokoyama, Haruki, Muramoto, Yoshifumi, Ishibashi, Tadao, Matsuzaki, Hideaki

“…50-Gbit/s error-free operation is demonstrated by a high-speed avalanche photodiode for the first time. The APD exhibits 3-dB bandwidth of 35 GHz and excellent…”
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Capacitance anomaly in the negative differential resistance region of resonant tunneling diodes by SHIMIZU, N, WAHO, T, ISHIBASHI, T

“…For In 0.53 Ga 0.47 As/AlAs resonant tunneling diodes, the peak structure in the capacitance-voltage ( C-V ) characteristics in the negative differential…”
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Triple-mesa Avalanche Photodiode With Inverted P-Down Structure for Reliability and Stability by Nada, Masahiro, Muramoto, Yoshifumi, Yokoyama, Haruki, Ishibashi, Tadao, Matsuzaki, Hideaki

“…A 25-Gbit/s avalanche photodiode (APD) using an inverted p-down structure and triple-mesa structure for eliminating an edge breakdown and reducing an electric…”
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Physical encryption method using AND operation between two carriers for high-security wireless communication by Yamauchi, Kenta, Yamamoto, Ruo, Che, Ming, Ito, Hiroshi, Ishibashi, Tadao, Kato, Kazutoshi

“…As an encryption for wireless communication, a physically secured wireless communication configuration which deduces ANDed data decrypted by coherent detection…”
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Vibration insensitive THz wave interferometry for characterizing optical phase shifter by Che, Ming, Yamamoto, Ruo, Ito, Hiroshi, Ishibashi, Tadao, Kato, Kazutoshi

“…Optic interferometry is a well-known measurement technique with high precision attained through the optical interference caused by the superposition of…”
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Electron diffusivity in p -InGaAs determined from the pulse response of InP/InGaAs uni-traveling-carrier photodiodes by Shimizu, Naofumi, Watanabe, Noriyuki, Furuta, Tomofumi, Ishibashi, Tadao

“…The minority electron diffusivity of p-In0.53Ga0.47As measured through the photoresponse of uni-traveling-carrier photodiodes is reported. An electro-optic…”
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High-Speed Avalanche Photodiode with a Neutral Absorption Layer for 1.55 µm Wavelength by Hirota, Yukihiro, Ando, Seigo, Ishibashi, Tadao

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