Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Tetsumoto, Tomohiro"'
Autor:
Tetsumoto, Tomohiro, Rolland, Antoine
A Kerr microresonator frequency comb has enabled the generation of low-phase-noise millimeter- and terahertz-waves in conjunction with an ultrafast photodiode. It is intriguing to employ the new light source in wireless communication at above 100 GHz
Externí odkaz:
http://arxiv.org/abs/2210.15881
Controlling the coherence between light and matter has enabled the radiation of electromagnetic waves with spectral purity and stability that defines the Syst\`eme International (SI) second. While transitions between hyperfine levels in atoms are acc
Externí odkaz:
http://arxiv.org/abs/2210.10850
Autor:
Tetsumoto, Tomohiro, Jiang, Jie, Fermann, Martin E., Navickaite, Gabriele, Geiselmann, Michael, Rolland, Antoine
Publikováno v:
OSA Continuum 4, 1348-1357 (2021)
A quiet point, an operating point of pump-resonance detuning that minimizes frequency fluctuation due to nonlinear effects inside a resonator, has been employed for phase noise reduction of a soliton Kerr microresonator frequency comb (microcomb). Na
Externí odkaz:
http://arxiv.org/abs/2102.07855
Autor:
Tetsumoto, Tomohiro, Nagatsuma, Tadao, Fermann, Martin E., Navickaite, Gabriele, Geiselmann, Michael, Rolland, Antoine
Optical frequency division (OFD) via optical frequency combs (OFC) has enabled a leap in microwave metrology leading to noise performance never explored before. Extending the method to millimeter-wave (mmW) and terahertz (THz)-wave domain is of great
Externí odkaz:
http://arxiv.org/abs/2009.10784
Autor:
Tetsumoto, Tomohiro, Ayano, Fumiya, Yeo, Mark, Webber, Julian, Nagatsuma, Tadao, Rolland, Antoine
Publikováno v:
Optics Letters Vol. 45, Issue 16, pp. 4377-4380 (2020)
In this letter, we experimentally demonstrate low noise 300GHz wave generation based on a Kerr microresonator frequency comb operating in soliton regime. The spectral purity of a 10GHz GPS-disciplined dielectric resonant oscillator is transferred to
Externí odkaz:
http://arxiv.org/abs/2006.09281
Autor:
Kuse, Naoya, Tetsumoto, Tomohiro, Navickaite, Gabriele, Geiselmann, Michael, Fermann, Martin E.
Publikováno v:
Optics Letters, 45(4), 927 (2020)
Dissipative Kerr-microresonator soliton combs (hereafter called soliton combs) are promising to realize chip scale integration of full soliton comb systems providing high precision, broad spectral coverage and a coherent link to the micro/mm/THz doma
Externí odkaz:
http://arxiv.org/abs/1908.07044
Autor:
Honda, Yoshihiro, Yoshiki, Wataru, Tetsumoto, Tomohiro, Fujii, Shun, Furusawa, Kentaro, Sekine, Norihiko, Tanabe, Takasumi
We demonstrate stimulated Brillouin scattering (SBS) lasing in a strongly coupled microcavity system. By coupling two silica toroid microcavities, we achieve large mode splitting of 11 GHz, whose frequency separation matches the Brillouin frequency s
Externí odkaz:
http://arxiv.org/abs/1712.09000
High-Q coupled resonances on a PhC waveguide using a tapered nanofiber with high coupling efficiency
We experimentally demonstrate high-Q cavity formation at an arbitrary position on a silicon photonic crystal waveguide by bringing a tapered nanofiber into contact with the surface of the slab. An ultrahigh Q of 5.1 x 10^5 is obtained with a coupling
Externí odkaz:
http://arxiv.org/abs/1505.03628
Autor:
Tetsumoto, Tomohiro, Tanabe, Takasumi
We design a silica zipper cavity that has high optical and mechanical Q (quality factor) values and demonstrate numerically the feasibility of a radiation pressure driven micro opto-mechanical system (MOMS) directional switch. The silica zipper cavit
Externí odkaz:
http://arxiv.org/abs/1405.3722
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