Although high-speed all-optical switches are expected to replace their electrical
counterparts in information processing, their relatively large size and power consumption …

Recently, strongly modulated photonic crystals, fabricated by the state-of-the-art
semiconductor nanofabrication process, have realized various novel optical properties. This …

The introduction of photonic technologies into mature electronic circuits is in high demand to
accelerate on-chip information networking and even computing. Great difficulty lies in the …

This article reviews our recent studies of ultralow-power nanophotonics devices toward
implementing a dense optical communication network in a processor chip. A photonic crystal …

Optical random-access memory (o-RAM) has been regarded as one of the most difficult
challenges in terms of replacing its various functionalities in electronic circuitry with their …

The ability to directly modulate a nanocavity laser with ultralow power consumption is
essential for the realization of a CMOS-integrated, on-chip photonic network, as several …

The authors review their recent studies on various nanophotonic devices including all-
optical switches, optical memories, electro-optic modulators, photo-detectors and lasers, all …

The present work focuses on experimental investigations of a bistable silicon-on-insulator
(SOI) micro-ring resonator (MRR). The resonator exploits a continuous-wave operation of …

In this paper, the idea of an all-optical photonic crystal memory cell based on a cavity with a
hysteresis feature as a function of two independent variables is introduced. A two …

The Kerr nonlinearity can be a key enabler for many digital photonic circuits as it allows
access to bistable states needed for all-optical memories and switches. A common …