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TypeAuthor(s)TitleOther TitlesCitationCitation(alt)Issue Date
articleFujisawa, Takeshi; Saitoh, KunimasaGeometric-phase-induced arbitrary polarization and orbital angular momentum generation in helically twisted birefringent photonic crystal fiber-Photonics Research-1-Aug-2020
articleShirata, Motoki; Fujisawa, Takeshi; Sakamoto, Taiji; Matsui, Takashi; Nakajima, Kazuhide; Saitoh, KunimasaDesign of small mode-dependent-loss scrambling-type mode (de) multiplexer based on PLC-Optics express-30-Mar-2020
articleFujisawa, Takeshi; Takano, Junya; Sawada, Yusuke; Sakamoto, Taiji; Matsui, Takashi; Nakajima, Kazuhide; Saitoh, KunimasaA novel Si four-wavelength multiplexer for 100/400GbE using higher-order mode composed of (a)symmetric directional couplers and TE1-TM0 mode converter-Optics express-9-Dec-2019
articleSato, Takanori; Fujisawa, Takeshi; Saitoh, KunimasaAll-Optical Diode Suppressing Broadband Backward Transmission Using Single- and Four-Port Photonic Crystal Cavities-IEEE photonics journal-Feb-2019
article (author version)Akie, Minami; Fujisawa, Takeshi; Sato, Takanori; Arai, Masakazu; Saitoh, KunimasaGeSn/SiGeSn Multiple-Quantum-Well Electroabsorption Modulator With Taper Coupler for Mid-Infrared Ge-on-Si Platform-IEEE journal of selected topics in quantum electronics-Nov-2018
articleOhta, S.; Fujisawa, T.; Makino, S.; Sakamoto, T.; Matsui, T.; Tsujikawa, K.; Nakajima, K.; Saitoh, K.Si-based Mach-Zehnder wavelength/mode multi/demultiplexer for a WDM/MDM transmission system-Optics express-11-Jun-2018
articleFujisawa, Takeshi; Amma, Yoshimichi; Sasaki, Yusuke; Matsuo, Shoichiro; Aikawa, Kazuhiko; Saitoh, Kunimasa; Koshiba, MasanoriCrosstalk Analysis of Heterogeneous Multicore Fibers Using Coupled-Mode Theory-IEEE photonics journal-Oct-2017
article (author version)Yamashita, Yoko; Makino, Shuntaro; Fujisawa, Takeshi; Hanzawa, Nobutomo; Sakamoto, Taiji; Matsui, Takashi; Tsujikawa, Kyozo; Yamamoto, Fumihiko; Nakajima, Kazuhide; Saitoh, KunimasaPLC-Based LP11 Mode Rotator With Curved Trench Structure Devised From Wavefront Matching Method-IEEE photonics technology letters-1-Jul-2017
article (author version)Fujisawa, Takeshi; Saitoh, KunimasaGroup delay spread analysis of coupled-multicore fibers : A comparison between weak and tight bending conditions-Optics communications-15-Jun-2017
articleIshizaka, Yuhei; Nagai, Masaru; Fujisawa, Takeshi; Saitoh, KunimasaA photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform-IEICE electronics express-25-Jan-2017
article (author version)Sato, Takanori; Makino, Shuntaro; Fujisawa, Takeshi; Saitoh, KunimasaDesign of a reflection-suppressed all-optical diode based on asymmetric L-shaped nonlinear photonic crystal cavity-Journal of the Optical Society of America B-1-Jan-2016
article (author version)Fujisawa, Takeshi; Saitoh, KunimasaQuantum-Confined Stark Effect Analysis of GeSn/SiGeSn Quantum Wells for Mid-Infrared Si-Based Electroabsorption Devices Based on Many-Body Theory-IEEE journal of quantum electronics-Nov-2015
article (author version)Sato, Takanori; Makino, Shuntaro; Ishizaka, Yuhei; Fujisawa, Takeshi; Saitoh, KunimasaA rigorous definition of nonlinear parameter γ and effective area A_eff for photonic crystal optical waveguides-Journal of the Optical Society of America B-1-Jun-2015
article (author version)Fujisawa, Takeshi; Saitoh, KunimasaMaterial Gain Analysis of GeSn/SiGeSn Quantum Wells for Mid-Infrared Si-Based Light Sources Based on Many-Body Theory-IEEE journal of quantum electronics-May-2015
articleSaitoh, Kunimasa; Uematsu, Takui; Hanzawa, Nobutomo; Ishizaka, Yuhei; Masumoto, Kohei; Sakamoto, Taiji; Matsui, Takashi; Tsujikawa, Kyozo; Yamamoto, FumihikoPLC-based LP11 mode rotator for mode-division multiplexing transmission-Optics Express-11-Aug-2014
articleUematsu, Takui; Kitayama, Tetsuya; Ishizaka, Yuhei; Saitoh, KunimasaUltra-Broadband Silicon-Wire Polarization Beam Combiner/Splitter Based on a Wavelength Insensitive Coupler With a Point-Symmetrical Configuration-IEEE photonics journal-Feb-2014
articleHanzawa, Nobutomo; Saitoh, Kunimasa; Sakamoto, Taiji; Matsui, Takashi; Tsujikawa, Kyozo; Koshiba, Masanori; Yamamoto, FumihikoTwo-mode PLC-based mode multi/demultiplexer for mode and wavelength division multiplexed transmission-Optics express-4-Nov-2013
articleIshizaka, Yuhei; Saitoh, Kunimasa; Koshiba, MasanoriTransmission-Efficient Structures of Bent and Crossing Silicon Slot Waveguides-IEEE photonics journal-Oct-2013
articleMatsuo, Shoichiro; Sasaki, Yusuke; Akamatsu, Tsuyoshi; Ishida, Itaru; Takenaga, Katsuhiro; Okuyama, Kazuhiro; Saitoh, Kunimasa; Koshiba, Masanori12-core fiber with one ring structure for extremely large capacity transmission-Optics Express-17-Dec-2012
articleSasaki, Yusuke; Takenaga, Katsuhiro; Guan, Ning; Matsuo, Shoichiro; Saitoh, Kunimasa; Koshiba, MasanoriLarge-effective-area uncoupled few-mode multi-core fiber-Optics Express-10-Dec-2012
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