Publications

Metasurface devices

• C. Ren, K. Komatsu, G. Soma, Y. Nakano, and T. Tanemura, “Metasurface-based functional optical splitter for a spatially parallelized dual-polarization coherent modulator,” Opt. Lett., vol. 49, no. 24, pp. 7238-7241, Dec. 2024.

• G. Soma, K. Komatsu, C. Ren, Y. Nakano, and T. Tanemura, “Metasurface-enabled non-orthogonal four-output polarization splitter for non-redundant full-Stokes imaging,” Opt. Express, vol. 32, no. 20, pp. 34207-34222, Sep 2024.

• K. Komatsu, S. Ishimura, C. Ren, G. Soma, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “Metasurface-based coherent receiver insensitive to LO polarization,” Optical Fiber Communication Conference (OFC’24), Th4B.2, San Diego, Mar. 28, 2024. Post-Deadline Paper

• G. Soma and T. Tanemura, “Complete vectorial optical mode converter using multi-layer metasurface,” arXiv preprint arXiv:2401.05127.

• K. Komatsu, G. Soma, S. Ishimura, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “Scalable multi-core dual-polarization coherent receiver using a metasurface optical hybrid,” J. Lightwave Technol., vol. 42, no. 11, pp. 4013-4022, June 2024.

• K. Komatsu, G. Soma, S. Ishimura, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “FIFO-free 4-core dual-polarization optical hybrid using a single dielectric metasurface,” European Conference on Optical Communication (ECOC’23), Th.C.1.3, Glasgow, UK, Oct. 5, 2023. Post-Deadline Paper

• G. Soma, Y. Nomoto, T. Umezawa, Y. Yoshida, Y. Nakano, and T. Tanemura, “Compact and scalable polarimetric self-coherent receiver using dielectric metasurface,” Optica, vol. 10, no. 5, pp. 604-611, May 2023.

Active metasurface modulators

• J. Zhang, Y. Kosugi, M. Ogasawara, K. Ariu, A. Otomo, T. Yamada, Y. Nakano, and T. Tanemura, “High-speed metasurface modulator using perfectly absorptive bimodal plasmonic resonance,” APL Photonics, vol. 8, 121304, Dec. 2023.

• M. Ogasawara, Y. Kosugi, J. Zhang, Y. Okamoto, Y. Mita, A. Otomo, Y. Nakano, and T. Tanemura, “Electro-optic polymer surface-normal modulator using silicon high-contrast grating resonator,” Conference on Lasers and Electro-Optics (CLEO’19), JTh2A.48, San Jose, May 9, 2019.

• J. Zhang, Y. Kosugi, A. Otomo, Y. Nakano, and T. Tanemura, “Active metasurface modulator with electro-optic polymer using bimodal plasmonic resonance,” Opt. Express, vol. 25, no. 24, pp. 30304-30311, Nov. 2017.

• Y. Kosugi, T. Yamada, A. Otomo, Y. Nakano, and T. Tanemura, “Surface-normal electro-optic-polymer modulator with silicon subwavelength grating,” IEICE Electron. Express, vol. 13, no. 17, 20160595, Aug. 2016.

Coherent receivers & Stokes vector (self-coherent) receivers

• K. Komatsu, S. Ishimura, C. Ren, G. Soma, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “Metasurface-based coherent receiver insensitive to LO polarization,” Optical Fiber Communication Conference (OFC’24), Th4B.2, San Diego, Mar. 28, 2024. Post-Deadline Paper

• K. Komatsu, G. Soma, S. Ishimura, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “Scalable multi-core dual-polarization coherent receiver using a metasurface optical hybrid,” J. Lightwave Technol., , vol. 42, no. 11, pp. 4013-4022, June 2024.

• K. Komatsu, G. Soma, S. Ishimura, H. Takahashi, T. Tsuritani, M. Suzuki, Y. Nakano, and T. Tanemura, “FIFO-free 4-core dual-polarization optical hybrid using a single dielectric metasurface,” European Conference on Optical Communication (ECOC’23), Th.C.1.3, Glasgow, UK, Oct. 5, 2023. Post-Deadline Paper

• G. Soma, W. Yanwachirakul, T. Miyazaki, E. Kato, B. Onodera, R. Tanomura, T. Fukui, S. Ishimura, M. Sugiyama, Y. Nakano, and T. Tanemura, “Ultra-broadband surface-normal coherent optical receiver with nanometallic polarizers,” ACS Photonics, vol. 9, no. 8, pp. 2842-2849, July 2022.

• G. Soma, S. Ishimura, R. Tanomura, T. Fukui, M. Ito, Y. Nakano, and T. Tanemura, “Integrated dual-polarization coherent receiver without polarization splitter-rotator,” Opt. Express, vol. 29, no. 2, pp. 1711-1721, Jan. 2021.

• T. Tanemura, T. Suganuma, and Y. Nakano, “Sensitivity analysis of photonic integrated direct-detection Stokes-vector receiver,” J. Lightwave Technol., vol. 38, no. 2, pp. 447-456, Jan. 2020.

• S. Ghosh, T. Suganuma, S. Ishimura, Y. Nakano, and T. Tanemura, “Complete retrieval of multi-level Stokes vector signal by an InP-based photonic integrated circuit,” Opt. Express, vol. 27, no. 25, pp. 36449-36458, Dec. 2019.

• T. Suganuma, S. Ghosh, M. Kazi, R. Kobayashi, Y. Nakano, and T. Tanemura, “Monolithic InP Stokes vector receiver with multiple-quantum-well photodetectors,” J. Lightwave Technol., vol. 36, no. 5, pp. 1268-1274, Mar. 2018.

Programmable optical unitary processors

• R. Tanomura, R. Tang, G. Soma, S. Ishimura, T. Tanemura, and Y. Nakano, “All-optical MIMO demultiplexing using silicon-photonic dual-polarization optical unitary processor,” J. Lightwave Technol., vol. 41, no. 12, pp. 3791-3796, Jun. 2023.

• R. Tanomura, R. Tang, T. Umezaki, G. Soma, T. Tanemura, and Y. Nakano, “Scalable and robust photonic integrated unitary converter,” Phys. Rev. Appl., vol. 17, no. 2, 024071 Feb. 2022.

• R. Tang, R. Tanomura, T. Tanemura, and Y. Nakano, “Ten-port unitary optical processor on a silicon photonic chip,” ACS Photonics, vol. 8, no. 7, pp. 2074-2080, Jun. 2021.

• R. Tanomura, R. Tang, S. Ghosh, T. Tanemura, and Y. Nakano, “Robust integrated optical unitary converter using multiport directional couplers,” J. Lightwave Technol., vol. 38, no. 1, pp. 60-66, Jan. 2020.

• R. Tang, T. Tanemura, and Y. Nakano, “Integrated reconfigurable unitary optical mode converter using MMI couplers,” IEEE Photon. Technol. Lett., vol. 29, no. 12, pp. 971-974, Jun. 2017.

Optical phased arrays

• T. Fukui, R. Tanomura, K. Komatsu, D. Yamashita, S. Takahashi, Y. Nakano, and T. Tanemura, “Non-redundant optical phased array,” Optica, vol. 8, no. 10, pp. 1350-1358, Oct. 2021.

• K. Komatsu, Y. Kohno, Y. Nakano, and T. Tanemura, “Large-scale monolithic InP-based optical phased array,” IEEE Photon. Technol. Lett., vol. 33, no. 20, pp. 1123-1126, Oct. 2021.

• T. Fukui, Y. Kohno, R. Tang, Y. Nakano, and T. Tanemura, “Single-pixel imaging using multimode fiber and silicon photonic phased array,” J. Lightwave Technol., vol. 39, no. 3, pp. 839-844, Feb. 2021.

• T. Fukui, Y. Nakano, and T. Tanemura, “Resolution limit of single-pixel speckle imaging using multimode fiber and optical phased array,” J. Opt. Soc. Am. B, vol. 38, no. 2, pp. 379-386, Feb. 2021.

• Y. Kohno, K. Komatsu, R. Tang, Y. Ozeki, Y. Nakano, and T. Tanemura, “Ghost imaging using a large-scale silicon photonic phased array chip,” Opt. Express, vol. 27, no. 3, pp. 3817-3823, Feb. 2019.

• M. J. Kwack, T. Tanemura, A. Higo, and Y. Nakano, “Monolithic InP strictly non-blocking 8×8 switch for high-speed WDM optical interconnection,” Opt. Express, vol. 20, no. 27, pp. 28734-28741, Dec. 2012.

• I. M. Soganci, T. Tanemura, and Y. Nakano, “Integrated phased-array switches for large-scale photonic routing on chip,” Laser & Photonics Reviews, vol. 6, no. 4, pp. 549–563, July 2012.

• T. Tanemura, I. M. Soganci, T. Oyama, T. Ohyama, S. Mino, K. A. Williams, N. Calabretta, H. J. S. Dorren, and Y. Nakano, “Large-capacity compact optical buffer based on InP integrated phased-array switch and coiled fiber delay lines,” J. Lightwave Technology, vol. 29, no. 4, pp. 396-402, Feb. 2011.

• T. Tanemura, M. Takenaka, A. Al Amin, K. Takeda, T. Shioda, M. Sugiyama, and Y. Nakano, “InP/InGaAsP integrated 1×5 optical switch using arrayed phase shifters,” IEEE Photon. Technol. Lett., vol. 20, no. 12, pp. 1063-1065, June 2008.

InP waveguide polarization manipulating devices

• M. Ito, T. Fukui, T. Tanemura, and Y. Nakano, “Compact symmetric polarization rotator-splitter on InP,” Opt. Express, vol. 30, no. 3, pp. 4179-4188, Feb. 2022.

• A. E. Elfiqi, R. Kobayashi, R. Tanomura, T. Tanemura, and Y. Nakano, “Fabrication-tolerant half-ridge InP/InGaAsP polarization rotator with etching-stop layer,” IEEE Photon. Technol. Lett., vol. 32, no. 11, pp. 663-666, Jun. 2020.

• T. Tanemura and Y. Nakano, “(Invited) Compact InP Stokes-vector modulator and receiver circuits for short-reach direct-detection optical links,” IEICE Trans. Electron., vol. E101-C, no. 7, pp. 594-601, Jul. 2018.

• T. Suganuma, S. Ghosh, M. Kazi, R. Kobayashi, Y. Nakano, and T. Tanemura, “Monolithic InP Stokes vector receiver with multiple-quantum-well photodetectors,” J. Lightwave Technol., vol. 36, no. 5, pp. 1268-1274, Mar. 2018.

• M. Zaitsu, T. Tanemura, A. Higo, and Y. Nakano, “Experimental demonstration of self-aligned InP/InGaAsP polarization converter for polarization multiplexed photonic integrated circuits,” Opt. Express, vol. 21, no. 6, pp. 6910-6918, Mar. 2013.

Inverse design of nanophotonic devices

• G. Soma and T. Tanemura, “Complete vectorial optical mode converter using multi-layer metasurface,” arXiv:2401.05127.

• P. Wahl, T. Tanemura, N. Vermeulen, J. Van Erps, D. A. B. Miller, and H. Thienpont, “Design of large scale plasmonic nanoslit arrays for arbitrary mode conversion and demultiplexing,” Opt. Express, vol. 22, no. 1, pp. 646-660, Jan. 2014.

• T. Tanemura, P. Wahl, S. Fan, and D. A. B. Miller, “Modal source radiator model for arbitrary two-dimensional arrays of subwavelength apertures on metal films”, IEEE J. Sel. Top. Quantum Electron., vol. 19, no. 3, p. 4601110, May/Jun. 2013.

• T. Tanemura, K. C. Balram, D. S. Ly-Gagnon, P. Wahl, J. S. White, M. L. Brongersma, and D. A. B. Miller, “Multiple-wavelength focusing of surface plasmons with a nonperiodic nanoslit coupler,” Nano Lett., vol. 11, no.7, pp 2693-2698, May 2011.