Online edition: ISSN 2432-6380
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OPE2025-73
A study on Accelerating Digital Coherent Receivers Using Quaternion Operations
Kizuku Ochiri, Kai Ikuta (Meiji Univ.), Satoshi Shimizu, Hideaki Furukawa (NICT), Moriya Nakamura (Meiji Univ.)
pp. 1 - 6
OPE2025-74
A novel timing recovery method combined with frequency domain CD compensation for optical coherent receivers
Takuya Yoshida, Takahiro Kato, Takahito Fukushima, Taiji Kondo (Dexerials)
pp. 7 - 12
OPE2025-75
Development of IMDD-based 100Gbps bi-directional Quadrplexer for All-Photonics Network
-- Design and assembly results --
Kenta Watanabe, Mizuki Shirao, Hayato Suga, Yusuke Suga, Satoshi Yoshima, Nobuo Ohata (Mitsubishi Electric)
pp. 13 - 18
OPE2025-76
Development of gradient direct binary search method and its application to mode exchangers based on mosaic structure
Takeshi Fujisawa (Hosei Univ.), Yasuhide Tsuji (MIT), Takuya Mitarai, Yusuke Sawada, Takuya Okimoto, Takuo Hiratani, Kento Komatsu, Hideki Yagi, Naoki Fujiwara (Sumitomo)
pp. 19 - 24
OPE2025-77
Demonstration of Ultrasmall Mosaic-Based Four-Channel Multiplexer Designed Using Bayesian Optimization
Yusuke Sawada (PETRA/SEI), Takeshi Fujisawa (Hosei Univ.), Takuya Mitarai, Kento Komatsu, Takuya Okimoto, Takuo Hiratani, Hideki Yagi, Naoki Fujiwara (PETRA/SEI)
pp. 25 - 28
OPE2025-78
Optimization of Optical Integrated Circuits Using Quantum-Inspired Optimization Methods
Yamato Misugi, Yukari Takada, Shota Koshikawa, Keita Mochizuki (Mitsubishi Electric)
pp. 29 - 32
OPE2025-79
Wavelength shift characteristics in asymmetric Mach-Zehnder Interferometer with liquid crystal
Motoya Okazaki, Hideto Kinoshita, Makoto Taniguchi, Yoshiki Hayama, Katsumi Nakatsuhara (KAIT)
pp. 33 - 38
OPE2025-80
Crosstalk characteristics of cascaded MZI optical switches
Hirokazu Nakamura, Toshio Watanabe, Tsutomu Nagayama, Seiji Fukushima (Kagoshima Univ.)
pp. 39 - 43
OPE2025-81
Waveguide-based mode converter with a recursive structure for scalable expansion
Yohei Aikawa, Hiroyuki Uenohara (Science Tokyo)
pp. 44 - 49
OPE2025-82
Effect of pump-phase noise in optical parametric signal processing for long-haul fiber-optic transmission systems
Shimpei Shimizu, Akira Kawai, Masanori Nakamura, Takushi Kazama, Masashi Abe, Koji Enbutsu, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto (NTT)
pp. 50 - 55
OPE2025-83
Scalable reservoir computing connected via tapped delay lines and its application to fiber-optic nonlinearity compensation
Soya Shimomura, Kai Ikuta, Tsuyoshi Yamada, Takumi Yamamoto, Shunya Uchide (Meiji Univ.), Takahide Sakamoto (Tokyo Metropolitan Univ.), Naokatsu Yamamoto (NICT), Moriya Nakamura (Meiji Univ.)
pp. 56 - 61
OPE2025-84
Study on Signal Degradation Compensation and Simple Implementation of LSTM Equalizers for High Speed PAM4 Communication in Data Centers
-- Investigation of LRP Analysis and Forget Gate Behavior under Band-Limited Conditions --
Yuuki Sawabe, Amila Kariyawasam, Shunji Kimura (Kyushu Univ.)
pp. 62 - 67
OPE2025-85
Molecule sensor which exclusively identifies a pair of weak absorption lines from much more dilute (0.5 Torr) acetylene molecule than our previous report, using a feedback-stabilized SOA-based mode-locked laser
Akihiro Ozawa, Kento Yasui, Yosuke Konishi, Yoshiyasu Ueno (UEC)
pp. 68 - 73
OPE2025-86
Demonstration of Wide and Fast THz Beam Control via an All-Optical System Using a High-speed Tunable Laser
Masato Kawano, Ryota Kaide, Yoshiki Kamiura, Yuya Mikami, Kazutoshi Kato (Kyushu Univ.)
pp. 74 - 77
OPE2025-87
Broadband emission from Type-II quantum well on GaAs substrates
Hikaru Nakano, Takumi Yanagimoto, Koichiro Kunitake, Rikuto Takashima (Univ. Miyazaki), Takeshi Fujisawa (Hosei Univ.), Koji Maeda, Masakazu Arai (Univ. Miyazaki)
pp. 78 - 81
OPE2025-88
Analysis of Electro-Optic Characteristics in Amorphous Silicon Strip-loaded Thin Film Lithium Niobate Waveguide
Kensuke Ogawa, Keisuke Kawahara, Moataz Eissa, Kazuya Miura (Science Tokyo), Kentaro Nonaka, Ryuga Yajima, Shoichiro Yamaguchi (NGK), Yoshitaka Ohiso, Nobuhiko Nishiyama (Science Tokyo)
pp. 82 - 87
OPE2025-89
Temperature Dependence Adjuster for Fabrication Errors in Athermal Mach-Zehnder Filters
Junichi Suzuki, Kiyotomo Hasegawa, Kei Masuyama, Nobuo Ohata (Mitsubishi Electric)
pp. 88 - 91
OPE2025-90
Simulation Study of Carrier Transport for High-Speed Electro Absorption Modulator
Asami Uchiyama (Mitsubishi Electric), Nobuhiko Nishiyama (Science Tokyo), Nobuo Ohata (Mitsubishi Electric)
pp. 92 - 95
OPE2025-91
Compact Modeling of Absorber in Carrier-Injection Electro-Absorption Silicon Optical Modulators
Tadashi Murao (AIST), Tsuyoshi Horikawa, Nobuhiko Nishiyama (Science Tokyo), Noritsugu Yamamoto, Takeru Amano (AIST)
pp. 96 - 101
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.