25 citations · 62 across the 8 of their papers we have counts for
8 papers
Bright Single-Photon Emission from Individual Tin-Vacancy Centers in Multi-Cone Diamond Waveguides
Pablo Tieben, Jan Rhensius, Takuya F. Segawa +5
Diamonds containing color centers have recently gathered significant attention for photonic quantum technologies, including quantum sensing, photonic quantum computers, and quantum…
The Anomalous Formation of Irradiation Induced Nitrogen-Vacancy Centers in 5-Nanometer-Sized Detonation Nanodiamonds
Frederick T. -K. So, Alexander I. Shames, Daiki Terada +11
Nanodiamonds containing negatively charged nitrogen-vacancy (NV) centers are versatile room-temperature quantum sensors in a growing field of research. Yet, knowledge regarding…
Frequency correlated photon generation at telecom band using silicon nitride ring cavities
Zhenghao Yin, Kenta Sugiura, Hideaki Takashima +4
Frequency entangled photon sources are in high demand in a variety of optical quantum technologies, including quantum key distribution, cluster state quantum computation and quantu…
Direct optical excitation of an NV center via a nanofiber Bragg-cavity: A theoretical simulation
Toshiyuki Tashima, Hideaki Takashima, Shigeki Takeuchi
Direct optical excitation of a nitrogen-vacancy (NV) center in nanodiamond by light via a nanofiber is of interest for all-fiber-integrated quantum applications. However, the backg…
Coupling quantum emitters in 2D materials with tapered fibers
Andreas W. Schell, Hideaki Takashima, Toan Trong Tran +2
Realization of integrated photonic circuits on a single chip requires controlled manipulation and integration of solid-state quantum emitters with nanophotonic components. Previous…
Non-linear excitation of quantum emitters in two-dimensional hexagonal boron nitride
Andreas W. Schell, Toan Trong Tran, Hideaki Takashima +2
Two-photon absorption is an important non-linear process employed for high resolution bio-imaging and non-linear optics. In this work we realize two-photon excitation of a quantum…
Highly Efficient Coupling of Nanolight Emitters to a Ultra-wide Tunable Nanofibre Cavity
Andreas W. Schell, Hideaki Takashima, Shunya Kamioka +4
Solid-state microcavities combining ultra-small mode volume, wide-range resonance frequency tuning, as well as lossless coupling to a single mode fibre are integral tools for nanop…
Phase shift spectra of a fiber-microsphere system at the single photon level
Akira Tanaka, Takeshi Asai, Kiyota Toubaru +4
We succeeded in measuring phase shift spectra of a microsphere cavity coupled with a tapered fiber using a weak coherent probe light at the single photon level. We utilized a taper…