160-Gbit/s Full Channel Optical Time-Division Demultiplexer Based on SOA-Array Integrated PLC and Its Application to OTDM Transmission Experiment. - Ippei Shake; Hidehiko Takara; Ikuo Ogawa; Tsutomu Kitoh; Minoru Okamoto; Katsuaki Magari; Takuya Ohara; Satoki Kawanishi (IEICE Trans. Commun., 2005)

GMPLS Based Survivable Photonic Network Architecture. - Wataru Imajuku; Takuya Ohara; Yoshiaki Sone; Ippei Shake; Yasunori Sameshima; Masahiko Jinno (IEICE Trans. Commun., 2007)

Introducing elasticity and adaptation into the optical domain toward more efficient and scalable optical transport networks. - Masahiko Jinno; Takuya Ohara; Yoshiaki Sone; Akira Hirano; Osamu Ishida; Masahito Tomizawa (Kaleidoscope, 2010)

The operator's view of OTN evolution. - Martin Carroll; Josef Roese; Takuya Ohara (IEEE Commun. Mag., 2010)

Elastic and adaptive optical networks: possible adoption scenarios and future standardization aspects. - Masahiko Jinno; Takuya Ohara; Yoshiaki Sone; Akira Hirano; Osamu Ishida; Masahito Tomizawa (IEEE Commun. Mag., 2011)

Multi-Layer Greenfield Re-Grooming with Wavelength Defragmentation. - Akihiro Kadohata; Akira Hirano; Mitsunori Fukutoku; Takuya Ohara; Yoshiaki Sone; Osamu Ishida (IEEE Commun. Lett., 2012)

Impact of Physical Topology Features on Performance of Optical Backbone Networks. - Katsuaki Higashimori; Takeru Inoue; Takafumi Tanaka; Fumikazu Inuzuka; Takuya Ohara (ONDM, 2022)

A Construction of Binary Punctured Linear Codes and A Supporting Method for Best Code Search. - Takuya Ohara; Makoto Takita; Masakatu Morii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

Physical topology optimization for highly reliable and efficient wavelength-assignable optical networks. - Katsuaki Higashimori; Fumikazu Inuzuka; Takuya Ohara (JOCN, 2022)

Key physical topology features for optical backbone networks via a multilayer correlation analysis. - Katsuaki Higashimori; Takafumi Tanaka; Fumikazu Inuzuka; Takuya Ohara; Takeru Inoue (J. Opt. Commun. Netw., 2023)

Applying Auxiliary Graph for Multi-band Network Planning Based on Hierarchical Optical Cross-Connects. - Saki Sakurai; Katsuaki Higashimori; Takuya Ohara (OFC, 2025)

Cost-Efficient SDM/BDM Network Planning Based on Hierarchical Optical Cross-Connects. - Saki Sakurai; Katsuaki Higashimori; Takuya Ohara (ONDM, 2025)