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Optics Express|February 20, 2026
Non-complementary driving technique for IQ modulator with multi-electrodes to generate high-order optical QAM signalsHiroto Kawakami, Takayuki KobayashiOptics Express|March 18, 2026
Suppression of noise induced by group velocity matching of signal and forward pump light in a distributed Raman amplifierHiroto Kawakami, Etsushi Yamazaki, Yoshiaki KisakaJournal of Radiological Protection : Official Journal of the Society for Radiological Protection|July 10, 2026
A study of threshold-like behavior in low-dose radiation risk using improved statistical evaluation methods and implications for further investigationHiroto Kawakami, Tsugio Yokoyama, Hideo MakiOptics Express|January 26, 2012
Auto Bias Control technique for optical 16-QAM transmitter with asymmetric bias ditheringHiroto Kawakami, Takayuki Kobayashi, Eiji Yoshida, et al.Optics Express|November 18, 2014
Auto bias control and bias hold circuit for IQ-modulator in flexible optical QAM transmitter with Nyquist filteringHiroto Kawakami, Takayuki Kobayashi, Mitsuteru Yoshida, et al.Annals of Thoracic Surgery Short Reports|June 10, 2026
Management of TAVI Candidates With Metal Allergy: Minimally Invasive Aortic Valve Replacement With a Metal-Free BioprosthesisNaoto Tanabe, Hiroshi Tsuneyoshi, Tomofumi Taki, et al.Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia|April 16, 2026
Surgical Management of Primary and Metastatic Cardiac Malignancies: A 20-Year Single-Center ExperienceRyo Nakanishi, Hiroto Kawakami, Naoto Tanabe, et al.Supportive Care in Cancer : Official Journal of the Multinational Association of Supportive Care in Cancer|May 10, 2023
What can surgeons do to prevent job leave soon after cancer diagnosis? A brief report on colorectal cancer survivors in JapanDaisuke Nishizaki, Yusuke Fujita, Takashi Sakamoto, et al.Optics Express|January 26, 2012
100-Gbit/s PDM-QPSK coherent receiver with wide dynamic range and excellent common-mode rejection ratioKoichi Murata, Takashi Saida, Kimikazu Sano, et al.Optics Express|August 14, 2013
409-Tb/s + 409-Tb/s crosstalk suppressed bidirectional MCF transmission over 450 km using propagation-direction interleavingAkihide Sano, Hidehiko Takara, Takayuki Kobayashi, et al.Pageof 1