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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 134  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, US
(Joint)
2023-12-22
13:00
Fukuoka   [Poster Presentation] Fabrication of epitaxial piezoelectric layer/acoustic Bragg reflector structure by etching of epitaxial sacrificial layer
Satoshi Tokai, Takahiko Yanagitani (Waseda Univ.) US2023-60
Q factor and power durability are expected to be improve d by using s ingle crystalline piezoelectric thin films in BAW ... [more] US2023-60
pp.24-29
US 2023-11-27
13:45
Shizuoka Shizuoka University Improvement of in-plane orientation and piezoelectricity of c-axis parallel oriented ZnO films and their application to thickness shear-mode resonators -- Investigation on limiting of particle irradiation to substrate during sputtering deposition --
Naoki Tomiyama, Shinji Takayanagi (Doshisha Univ.), Yanagitani Takahiko (Waseda Univ.) US2023-49
ZnO films with the crystalline c-axis parallel to the substrate can excite shear waves and are suitable for thickness-sh... [more] US2023-49
pp.34-39
MIKA
(3rd)
2023-10-10
15:35
Okinawa Okinawa Jichikaikan
(Primary: On-site, Secondary: Online)
[Poster Presentation] Epitaxial piezoelectric thin film multilayer structure for RF filters
Satoshi Tokai, Yanagitani Takahiko (Waseda Univ.)
Wireless communication devices such as smartphones are equipped with many frequency filters to transmit and receive only... [more]
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
15:15
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
Elastic constant tensors cijE of (0001) ScxAl1-xN thin films (x=0-0.63) measured by Brillouin light scattering method
Hiroki Uchida (Waseda Univ.), Hayato Ichihashi (Doshisya Univ.), Masashi Suzuki (Yamanashi Univ.), Shinji Takayanagi, Mami Matsukawa (Doshisya Univ.), Takahiko Yanagitani (Waseda Univ.) EMT2023-20 MW2023-38 OPE2023-20 EST2023-20 MWPTHz2023-16
Large piezoelectricity and high Q factor in ScAlN film is attractive for RF filter applications. . Elastic constant tens... [more] EMT2023-20 MW2023-38 OPE2023-20 EST2023-20 MWPTHz2023-16
pp.61-66
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
09:35
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
120-GHz-band Close Proximity Wireless Communication Using Dielectric Substrate
Tomohiro Kumaki, Akihiko Hirata (CIT), Osamu Kagaya (AGC) EMT2023-37 MW2023-55 OPE2023-37 EST2023-37 MWPTHz2023-33
This study examines 120-GHz-band ultrahigh-speed sheet LAN communications that enable stable network connections simply ... [more] EMT2023-37 MW2023-55 OPE2023-37 EST2023-37 MWPTHz2023-33
pp.147-150
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-21
11:00
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
3D Full-Vectorial Bidirectional Beam Propagation Method for NRD guide
Hyunuk AHN, Akito Iguchi (MuroranIT), Keita Morimoto (UH), Yasuhide Tsuji (MuroranIT) EMT2023-53 MW2023-71 OPE2023-53 EST2023-53 MWPTHz2023-49
We newly developed 3D full-vectorial finite element bidirectional beam propagation method (3DBiBPM) for the
efficient desi... [more]
EMT2023-53 MW2023-71 OPE2023-53 EST2023-53 MWPTHz2023-49
pp.225-229
ICTSSL, CAS 2023-01-27
17:00
Tokyo TBD
(Primary: On-site, Secondary: Online)
21GHz-band wideband microstrip line bandpass filter using ring resonator and interdigital couplings
Kota Ishimura, Koji Wada (UEC), Noriaki Kawaguchi (NAOJ) CAS2022-95 ICTSSL2022-59
In this study, the design of a 21GHz-band bandpass filter (BPF) using a ring resonator and an interdigital coupled line ... [more] CAS2022-95 ICTSSL2022-59
pp.163-167
EA, US
(Joint)
2022-12-22
16:50
Hiroshima Satellite Campus Hiroshima [Poster Presentation] Sputter epitaxial LiNbO3 film shear mode thin film resonators
Shinya Kudo (Wseda Univ.), Takahiko Yanagitani (Waseda Univ.) US2022-66
LiNbO3 have been used for the SAW filters because of their high Q and k. However, LiNbO3 filter have not used in the BAW... [more] US2022-66
pp.86-91
OPE, OFT, OCS
(Joint) [detail]
2022-02-25
14:55
Online Online High Temperature Operation of 1.55μm Heterogeneous Wavelength Tunable Quantum Dot Laser Diode
Kissho Iwanaga, Wataru Masuda (Waseda Univ.), Atsushi Matsumoto, Naokatsu Yamamoto (NICT), Tomohiro Kita (Waseda Univ.) OCS2021-53 OFT2021-80 OPE2021-68
We fabricated Heterogeneous wavelength-tunable laser using Quantum dot semiconductor optical amplifier (QD-SOA) and Sili... [more] OCS2021-53 OFT2021-80 OPE2021-68
pp.60-64(OCS), pp.55-59(OFT), pp.98-102(OPE)
MW 2021-11-18
16:05
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
60-GHz Band Inline-Type SIW Filtering Antenna With Transmission Zeros Without Cross Coupling
Masaki Hoshino, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2021-72
This paper proposes a new structure of 60-GHz band inline-type SIW filtering antenna that can generate transmission zero... [more] MW2021-72
pp.29-34
EMT, IEE-EMT 2021-11-04
11:15
Online Online Nonreciprocal Composite Right/Left-Handed Transmission Lines Using Nonmagnetic Elements
Hidefumi Yasuda, Tetsuya ueda (Kyoto Inst. Tech.), Toshiro Kodera (Meisei Univ.) EMT2021-40
In this work, we propose a nonreciprocal composite right/left handed (CRLH) transmission line using nonmagnet elements. ... [more] EMT2021-40
pp.62-66
EST, MW, EMCJ, IEE-EMC [detail] 2021-10-08
15:45
Online Online Control of Radiation Directivity for Cylindrical Microcavity Laser
Takuma Mishima, Seiya Kishimoto, Shinichiro Ohnuki (Nihon Univ.) EMCJ2021-53 MW2021-65 EST2021-55
Radiation pattern of the laser that uses the Whispering Gallery Mode (WGM) becomes a rotationally symmetrical, because e... [more] EMCJ2021-53 MW2021-65 EST2021-55
pp.129-134
SRW 2021-06-21
09:25
Online Online 2-D waveguide power transfer with a meander surface sheet
Yuichi Masuda (UT), Yoshiaki Hirano, Tsuyoto Negishi (TEIJIN), Hiroyuki Shinoda (UT) SRW2021-2
In the previous work of the wireless power transfer with a sheet-like waveguide, a simulated results showed the practica... [more] SRW2021-2
pp.7-12
OPE, LQE 2020-11-20
15:30
Online Online Spectral linewidth reduction of hybrid tunable laser by loading optical negative feedback circuit
Tatsuki Komatsubara, Toshiaki Okachi (Waseda Univ.), Nobuhide Yokota, Hiroshi Yasaka (Tohoku Univ.), Tomohiro Kita (Waseda Univ.) OPE2020-71 LQE2020-51
Spectral linewidth of a hybrid tunable laser consisted from SOA and Si optical circuits is reduced by loading an optical... [more] OPE2020-71 LQE2020-51
pp.129-132
MW, EST, EMCJ, PEM, IEE-EMC [detail] 2020-10-23
10:15
Online Online Radiation Pattern Analysis of Cylindrical Microcavity Laser -- Control of Radiation Directivity --
Takuma Mishima, Seiya Kishimoto, Shinichiro Ohnuki (Nihon Univ.) EMCJ2020-39 MW2020-53 EST2020-41
Radiation pattern of the laser that uses the Whispering Gallery Mode (WGM) becomes a point-symmetrical, because electrom... [more] EMCJ2020-39 MW2020-53 EST2020-41
pp.81-84
WPT 2020-03-07
13:20
Kyoto
(Cancelled but technical report was issued)
Wireless Connection Using 5.8 GHz Open-ring resonators and its Application to Wave Guide Power Distribution
Yasuo Ohno, Hiroko Itoh (Laser Systems) WPT2019-79
Using the filter theory, the importance of external Q is explained in resonant power transmission using open ring resona... [more] WPT2019-79
pp.117-122
WPT 2019-12-11
17:10
Tokyo Kikai-Shinko-Kaikan Bldg. Misalignment Tolerance Improvement by kQ-product Theory for Open-Ring Resonator Non-contact Power Transmission
Yasuo Ohno, Hirok Itoh (Laser Systems) WPT2019-48
Resonance power transmission system using microwave open ring resonators is light weight and small. So, it is suitable f... [more] WPT2019-48
pp.23-28
EMCJ, MW, EST, IEE-EMC [detail] 2019-10-25
14:05
Miyagi Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) Estimation on Complex Dielectric Constants of Meats Using Ring Resonator Type of Electrode at Centimeter Frequencies for CTC Detection Application
Shouta Sora, Futoshi Kuroki, Masanori Eguchi (NIT, Kure College), Takeshi Yamakawa (FLSI), Fumihiro Tanaka (UOEH) EMCJ2019-62 MW2019-91 EST2019-70
Identifying circulating tumor cell (CTC) from the blood and investigating the conditions of the CTCs, the early diagnosi... [more] EMCJ2019-62 MW2019-91 EST2019-70
pp.147-150
SCE 2019-10-09
15:00
Miyagi   Characterization of Nb films prepared by ultra-high vacuum sputtering system for qubit application
Wei Qiu, Hirotaka Terai (NICT) SCE2019-23
We have developed low-loss coplanar waveguide (CPW) resonators, which can be applied to many applications, such as super... [more] SCE2019-23
pp.7-10
WPT, EE
(Joint)
2019-10-09
11:25
Shiga Ryukoku Extension Center, Ryukoku University Open-Ring Resonator Coupling for 920 MHz-Band Wireless Power Transmission System
Yasuo Ohno, Hiroko Itoh (Laser Systems) WPT2019-28
Microwave resonant power transmission using open-ring resonators is reported. The open-ring resonator is a ring-shaped λ... [more] WPT2019-28
pp.7-12
 Results 1 - 20 of 134  /  [Next]  
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