The 86th JSAP Autumn Meeting 2025
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Session Details

Poster presentation3 Optics and Photonics : 3.8 Terahertz technologies

[8a-P02-1~16]3.8 Terahertz technologies

Mon. Sep 8, 2025 9:30 AM - 11:30 AM JST
Mon. Sep 8, 2025 12:30 AM - 2:30 AM UTC
P02 (Gymnasium)

[8a-P02-1]Fabrication and Optical Characterization of a Terahertz Quantum Cascade Laser with a 23 µm-Thick Active Region and a Single-Metal Plasmonic Waveguide

〇Takayuki Ishida1, Tsung-Tse Lin1,2, Koki Yabe1,3, Yuki Tsuda5, Yosuke Suzuki5, Keita Miyagawa5, Koichi Akiyama5, Li Wang1,4, Sachie Fujikawa1,3, Hiroyuki Yaguchi3, Hirayama Hideki1 (1.RIKEN, 2.Tohoku Univ., 3.Saitama Univ., 4.EIT Ningbo, 5.MELCO)

[8a-P02-2]Influence of Langevin noise in terahertz time-domain spectroscopy using a gain-switched laser diode with delayed optical feedback

〇Kaiyu Kusunoki1, Keishi Takayama1, Kenji Wada2, Tetsuya Matsuyama1, Shunsuke Murai1, Koichi Okamoto1, Fumiyoshi Kuwashima3 (1.Osaka Metropolitan Univ., 2.OMU-ESCARI, 3.Otemon Gakuen Univ.)

[8a-P02-3]Investigation of a Dual-Comb Spectroscopy SystemEmploying a Resonant-Tunneling-Diode-Based Terahertz Oscillator

〇Junta Nagayoshi1, Keishiro Tabuchi1, Hiroshi Ito2, Safumi Suzuki3, Takashi Arikawa1 (1.Univ. of Hyogo, 2.Univ. of Tokyo, 3.Science Tokyo)

[8a-P02-4]Er,Yb:glass Master Oscillator Power Amplifier for Terahertz-wave Parametric Down-conversion

Nao Kannno1, Ryoya Ogura1, Shin'ichiro Hayashi2, Seigo Ohno3, Katsuhiko Miyamoto4, Yoshiharu Urata5, Jun'ichi Shikata6, Norihiko Sekine2, 〇Kouji Nawata1 (1.TOHTECH, 2.NICT, 3.Tohoku Univ., 4.Chiba Univ., 5.PHLUXi, Inc., 6.Nihon Univ.)

[8a-P02-5]Characterization of Terahertz parametric detection using LiNbO3 at Z-plane incidence

〇Shiki Tanaka1, Sota Mine1,2, Kodo Kawase1, Kosuke Murate1 (1.Nagoya Univ., 2.RIKEN)

[8a-P02-6]Electric field imaging of continuous terahertz waves using phase offset method

〇Daito Murakami1, Takashi Arikawa1 (1.Univ. of Hyogo)

[8a-P02-7]Generating terahertz vortex beams by using chiral metasurfaces

〇Hiroaki Shirasaka1, Victor Isao Iwanaga1, Seigo Ohno1 (1.Tohoku Univ.)

[8a-P02-8]A study on refractive index formulation for an extreme refractive index metasurface

〇Mahiro Ochiai1, Yuta Tanaka1, Riku Torii1, Taiyo Shiobara1, Takehito Suzuki1 (1.TUAT)

[8a-P02-9]Characterization of dielectric antennas for enhancing oscillating terahertz magnetic fields

〇Yuma Igo1, Hiroki Kudo2, Eiji Ohmichi1 (1.Grad. Sch. of Sci., Kobe Univ., 2.Dept. Sch. of Sci., Kobe Univ.)

[8a-P02-10]Evaluation method for industrial silicon wafers using terahertz waves

〇Norimasa Takahashi1, Eriko Umetsu1, Ryoichi Fukasawa1 (1.Spectra Design Ltd.)

[8a-P02-11]Evaluation of Ranging Measurement in All-Photonic THz Radar System Using Optical Combs

〇Isao Morohashi1, Norihiko Sekine1 (1.NICT)

[8a-P02-12]Study on improving the ranging accuracy of THz-FMCW radar using phase information

〇Tomofumi Ikari1,2, Soumi Yasuda1, Chiko Otani2,3 (1.Nihon Univ., 2.RIKEN, 3.Tohoku Univ.)

[8a-P02-13]Decay Time of Coherent Longitudinal Optical Phonons in (001)-Oriented Semi-insulating GaAs: Difference between Terahertz Time-Domain Spectroscopy and Pump-Probe Spectroscopy Employing Laser Pulses Transparent to GaAs

〇Hideo Takeuchi1,2,3, Takuya Nishimura2 (1.Osaka Metropolitan Univ., 2.Osaka City Univ., 3.Sophia Univ.)

[8a-P02-14]Correction of thermally induced phase shift in terahertz time-domain spectroscopy

〇Makoto Okano1, Kota Suyama1, Atsushi Wada1, Satoshi Tanaka1 (1.NDA)

[8a-P02-15]Refractive Index Mapping of Optically Anisotropic Materials Using Terahertz Waves

〇Ryota Kimura1, Kei Takeya2, Tripathi Saroj1 (1.Shizuoka Univ., 2.Inst. Molecular Science)

[8a-P02-16]Influence of electrolyte ions on hydrogen bond networks investigated with terahertz time-domain coherent Raman spectroscopy

〇Ryosuke Awata1, Aoshi Kimura1, Takahiro Namazuta2, Shinya Hasegawa2, Hideaki Kitahara2, Takashi Furuya2, Masahiko Tani2 (1.Univ. Fukui, 2.FIR UF)
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