IEICE Technical Report

Online edition: ISSN 2432-6380

Volume 126, Number 204

Optical Communication Systems

Workshop Date : 2026-10-22 - 2026-10-23 / Issue Date : 2026-10-15

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Table of contents

OCS2026-22
Proposal of a Position-Sensitive Optical Power Receiver for Optical Wireless Power Transmission
Masaki Yamaguchi (Grad. Sch. Eng., The Univ. of Osaka), Shuhei Ichikawa (Grad. Sch. Eng., The Univ. of Osaka/Research Center for UHVEM), Kazunobu Kojima (Grad. Sch. Eng., The Univ. of Osaka)
pp. 1 - 4

OCS2026-23
Active MMI-Based Semiconductor Optical Amplifier for Monolithic pn-Buried Heterostructure
Shun Kimura, Yusuke Sawada, Takayuki Miyai (SEI), Kotaro Hoshino (SEDI), Daisuke Inoue (SEDI/SEI), Mitsuru Ekawa (SEI/SEDI), Hiroyuki Yoshinaga, Naoki Fujiwara (SEI)
pp. 5 - 8

OCS2026-24
High-Gain Lumped Raman Amplifier for 1614.2-1657.0 nm with Negligible Double Rayleigh Scattering Penalty
Shun Okada, Kyosuke Sone, Hidenobu Muranaka, Hiroki Ooi, Yu Tanaka (1Finity), Shunya Hayashi, Junji Yoshida, Ryuichi Sugizaki, Shigehiro Takasaka, Michihiro Nakanishi (Furukawa Electric), Masashi Abe, Shimpei Shimizu, Takushi Kazama, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto (NTT), Takeshi Hoshida (1Finity)
pp. 9 - 12

OCS2026-25
Narrow Linewidth Tunable External Cavity Laser Using an External Etalon and a Gain Chip Integrated with an SOA
Yosuke Terada, Kazuki Yamaoka, Maiko Ariga, Toshihito Suzuki, Hiroyuki Ishii, Masaki Funabashi (Furukawa Electric Co., Ltd.)
pp. 13 - 16

OCS2026-26
Development of a High-Power Narrow-Linewidth 15xx-nm Pump Laser for PPLN Waveguide-Based Wavelength Band Conversion
Junji Yoshida, Yasuto Tatamida, Mamart Wikatsama (Furukawa Electric)
pp. 17 - 20

OCS2026-27
L+U-band transmission over field-deployed DSF link enabled by PPLN-based OPA/EDFA hybrid repeater
Megumi Hoshi, Shimpei Shimizu, Masashi Abe, Takushi Kazama, Koji Enbutsu, Takahiro Kashiwazaki, Asuka Inoue, Shunya Konno, Kana Sumihara, Kosuke Kimura, Masanori Nakamura, Fukutaro Hamaoka, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto (NTT)
pp. 21 - 27

OCS2026-28
[Invited Talk (Young Researcher)] THz-to-Optical Carrier Conversion for Photonic THz Detection -- Using an Electro-Optic Polymer Modulator and Microcomb-Referenced Dual-Wavelength Optical Carriers --
Yudai Matsumura, Hiroki Kishikawa, Naoya Kuse (Tokushima Univ.), Yasuhiro Okamura (Yamanashi Univ.), Eiji Hase, Junichi Fujikata, Masanobu Haraguchi (Tokushima Univ.), Takahiro Kaji, Akira Otomo, Isao Morohashi, Tomohiro Tetsumoto (NICT), Shintaro Hisatake (Gifu Univ.), Atsushi Kanno (Nagoya Inst. Tech.), Yu Tokizane, Takeshi Yasui (Tokushima Univ.)
pp. 28 - 34

OCS2026-29
Optical Decoder Design Based on Riemannian Gradient Descent on Unitary Manifold
Rui Zhang, Hiroyuki Uenohara, Yohei Aikawa (ScienceTokyo)
pp. 35 - 40

OCS2026-30
Precision Recovery and Reliability Control in MZI-Based Optical Neural Networks for Optical Communication Signal Processing
Michihiro Koibuchi, Shoichi Hirasawa (NII), Hiroki Matsutani (Keio U), Guangwei Cong (AIST)
pp. 41 - 48

OCS2026-31
Design of a Six-Mode Exchanger Based on Triple-Period Superimposed LPFGs Inscribed by a Femtosecond Laser for Compensation of Inter-Mode Characteristic Differences
Yuya Ando, Takanori Sato, Takumi Kimura (Hokkaido Univ.), Masaki Wada, Taro Iwaya, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.)
pp. 49 - 54

OCS2026-32
Mode Secured Nano-Pixel Mode Demultiplexers
Huanhao Liu, Haisong Jiang, Kiichi Hamamoto (Kyushu Univ.)
pp. 55 - 59

OCS2026-33
Self-holding Optical Switch on SOI Substrates by Deposition of Magneto-Optic Material
Yusuke Hara, Gaku Takagi, Yuya Syoji (Science Tokyo)
pp. 60 - 65

OCS2026-34
Study on Compact and Non-Volatile Optical Devices Using Cobalt-Aluminum Ferrite and Zinc Oxide
Yuma Suzuki, Yuya Shoji (Science Tokyo)
pp. 66 - 71

OCS2026-35
Micro-Ring Resonator-Based Non-Volatile Magneto-Optic Switches for Photonic Multiply-Accumulate Computing
Kosuke Murakami, Yuya Shoji (Science Tokyo)
pp. 72 - 77

OCS2026-36
Optical Mode Switch for Spatial-Mode-Multiplexed ROADMs
Yuzhuang Xie, Haisong Jiang, Kiichi Hamamoto (Kyushu Univ.)
pp. 78 - 83

OCS2026-37
Polarization-Diversity 8×8 Multicast Optical Switch on Standard Thin-Film SOI
Hirotomo Izumi, Tomoka Ota, Masakiyo Sakano, Keidai Matsuda (JVCKENWOOD), Taro Arakawa (YNU)
pp. 84 - 87

OCS2026-38
Optimization of Frozen-Bit Selection in Polar Codes with Ultra-Large Block Lengths for Optical Fiber Transmission
MIzuki Yamamoto, Gakuto Kanematsu (UOsaka), Youhei Koganei (1Finity), Takumi Takahashi, Koji Igarashi (UOsaka)
pp. 88 - 94

OCS2026-39
Analytical Derivation of a Generalized Manakov Equation for Strongly Coupled Multimode Fiber Propagation and Its Validation Using Model-Based Deep Learning
Koji Igarashi (Univ. Osaka), Keisuke Fujii (Kyoto Univ)
pp. 95 - 100

OCS2026-40
Design and Evaluation of an All-Optical Pooling Circuit Using a 3×3 MMI Coupler and Optical Delay Waveguides
Rintaro Azuma, Yuya Shoji (Science Tokyo)
pp. 101 - 106

OCS2026-41
Design and Experimental Demonstration of a SiN 1x2 Power Splitter Based on Mosaic Structure
Keigo Fujimoto (Hosei Univ.), Yasuhide Tsuji (Muroran Inst. of Tech.), Takeshi Fujisawa (Hosei Univ.)
pp. 107 - 112

OCS2026-42
Investigation of Integration Process of III-V Semiconductor, and MEMS Photonic Devices on Si-platform
Daiki Sakurai (ISCT), Yoshishige Tsuchiya, Zhicheng Shen (University of Southampton), Keita Nakamura, Yoshitaka Oiso, Yao Kaibin, Chen Haoyu, Moataz Eissa, Tsuyoshi Horikawa, Keisuke Kawahara (ISCT), Nobuhiko Nishiyama (ISCT/NEX-SECC)
pp. 113 - 118

OCS2026-43
[Invited Talk (Young Researcher)] Low-Voltage, Complex-DSP-Free 200G PAM4/140G OOK Operation of Si Photonic Crystal Slow-Light Modulator with Built-in EO Equalizer
Keisuke Kawahara (ISCT), Tai Tsuchizawa, Noritsugu Yamamoto, Yuriko Maegami, Koji Yamada (AIST), Nobuhiko Nishiyama (ISCT), Toshihiko Baba (YNU)
pp. 119 - 122

OCS2026-44
Design, Fabrication, and Measurement-Based Modeling of a-Si-Loaded TFLN Modulators on Quartz Substrate with 300-Gbps Transmission Characterization
Kazuya Miura, Keisuke Kawahara, Tsuyoshi Horikawa, Moataz Eissa, Yoshitaka Oiso (Science Tokyo), Ryuga Yajima, Yoshiki Katagiri (NGK), Nobuhiko Nishiyama (Science Tokyo/(NEX-SECC))
pp. 123 - 128

OCS2026-45
Extraction of group refractive index change in the phase shifter section of Mach-Zehnder modulators
Tsuyoshi Horikawa, Nobuhiko Nishiyama (Science Tokyo)
pp. 129 - 134

OCS2026-46
Influence of Noise on Continuous Eigenvalue in Optical Eigenvalue Modulation
Takuya Morishige, Ken Mishina, Akihiro Maruta (UOsaka)
pp. 135 - 142

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.


The Institute of Electronics, Information and Communication Engineers (IEICE), Japan