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・R. Ohta, H. Okamoto, and H. Yamaguchi
" Feedback control of multiple mechanical modes in coupled micromechanical resonators "
Appl. Phys. Lett. 110, 053106 (2017)

・R. Ohta, Y. Ueno, and K. Ajito
"Raman Spectroscopy of Pharmaceutical Cocrystals in Nanosized Pores of Mesoporous Silica "
Anal. Sci. 33, 47 (2017)

・R. Ohta, H. Okamoto, R. Hey, K. J. Friedland, and H. Yamaguchi
"Vacuum Rabi Spectra of a Single Quantum Emitter "
Appl. Phys. Lett. 107, 091906 (2015)

Y. Ota, R. Ohta, N. KUmagai, S. Iwamoto, and Y. Arakawa
"Hybrid quantum magnetic field sensor with an electron spin and a nuclear spin in diamond "
Phys. Rev. Lett. 114, 143603 (2015)

・R. Miura, S. Imamura, R. Ohta, A. Ishii, X. Liu, T. Shimada, S. Iwamoto, Y. Arakawa, and Y. Kato
"Ultralow mode-volume photonic crystal nanobeam cavities for high-efficiency coupling to individual carbon nanotube emitters "
Nat. Comm. 5, 5580 (2014)

・R. Ohta, Y. Ota, H. Takagi, N. Kumagai, K. Tanabe, S. Ishida, S. Iwamoto, and Y. Arakawa
" Electro-Mechanical Q factor control of photonic crystal nanobeam cavity "
J. J. Appl. Phys. 52, 04CG01 (2013)

・A. Enderlin, Y. Ota, R. Ohta, N. Kumagai, S. Iwamoto, and Y. Arakawa
" High guided mode-cavity mode coupling for an efficient extraction of spontaneous emission of a single quantum dot embedded in a photonic crystal nanobeam cavity "
Phys. Rev. B 86, 075314 (2012)

・ R. Ohta, Y. Ota, M. Nomura, N. Kumagai, S. Ishida, S. Iwamoto, and Y. Arakawa
" Strong coupling between a photonic crystal nanobeam cavity and a single quantum dot"
Appl. Phys. Lett. 98, 173104 (2011)