論文

• Padullaparthi Babu Dayal, Takahiro Sakaguchi, Akihiro Matsutani, Fumio Koyama. Multiple-Wavelength Vertical-Cavity Surface-Emitting Lasers by Grading a Spacer Layer for Short-Reach Wavelength Division Multiplexing Applications, Appl. Phys. Exp., vol. 2, no. 9, Aug. 2009.
• Babu Dayal, Fumio Koyama. Polarization control of 0.85μm vertical-cavity surface-emitting lasers integrated with gold nanorod arrays, Appl. Phys. Lett., vol. 91, pp. 111107, Nov. 2007.
• Padullaparthi Babu Dayal, Naoto Kitabayashi, Tomoyuki Miyamoto, Fumio Koyama, T. Kawashima, S. Kawakami. Polarization control of 1.15µm vertical-cavity surface-emitting lasers using autocloned photonic crystal polarizer, Appl. Phys. Lett., vol. 91, July 2007.

国際会議発表 (査読有り)

• Babu Dayal Padullaparthi, Koyama Fumio. Polarization Controlled 0.85 μm VCSELs with Plasmonic Nanorods, CLEO 2007, CLEO 2007, CThB2, Mar. 2007.
• P. Babu Dayal, Takashi Kawashima, Naoto Kitabayashi, Tomoyuki Miyamoto, Fumio Koyama, S. Kawakami. Polarization control of 1.2µm single-mode VCSELs using photonic crystal polarizer, "20th International Semiconductor Laser Conference, ISLC2006", Sept. 2006.
• Jiro Hashizume, P. Babu Dayal, Fumio Koyama. Metal Nano-aperture VCSEL for Near-Field Optics and Polarization Control, 20th International Semiconductor Laser Conference, ISLC2006, WB1, pp. 101-102, Sept. 2006.

国内会議発表 (査読なし・不明)

• Babu Dayal Padullaparthi, Chang Ge, Liang Dong, Xiaodong Gu, Satoshi Shinada, Fumio Koyama. Long-reach, 50Gb/s NRZ transmission of uncooled 1060nm single-mode coupled cavity VCSELs, The 84th JSAP Autumn Meeting 2023, 23a-A308-8, Sept. 2023.

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