Ryo Takahashi

TL;DR: Using photonic crystal cavities with a buried heterostructure design, the authors demonstrated all-optical RAM at power levels 300 times lower than previous attempts, which could enable low-power large-scale optical RAM systems for handling high-bit-rate optical signals.

TL;DR: In this paper, the authors demonstrate the interconnection of two optical packet switching systems: a hybrid optoelectronic packet router and two optical packets rings error-free inter-ring and intra-ring optical packet transmission and unicast and multicast transport of encapsulated 10 GbE.

TL;DR: In this article, a monolithic widely tunable semiconductor laser based on a double-ring resonator is developed for use in a wavelength-routing switch by using the double ring resonator as a wavelengthselective filter, operation over a wide wavelength tuning range is achieved with a low tuning current.

TL;DR: A compact 4x8 wavelength-routing switch that monolithically integrates fast tunable wavelength converters (TWCs) and an arrayed-waveguide grating (AWG) for optical packet switching is presented.

TL;DR: In this paper, a torus-topology photonic data center network with smart flow control is presented, where optical packet switching (OPS), optical circuit switching (OCS), and virtual OCS (VOCS) schemes are all enabled on a unified hardware platform via the combination of hybrid optoelectronic routers (HOPR) and a centralized network controller.