In this study, we investigate a novel design of an on-chip nested coupled ring resonator to
enhance the quality factor and the effective length of the resonator. The configuration …

In this work, we report on real-time gas sensing using a swept fiber laser source (SFLS)
based on a micro-electro-mechanical-system (MEMS) tunable filter, a semiconductor optical …

In this work, we present the realization of a novel configuration of dual-coupler nested
coupled ring resonator on silicon photonics technology. The waveguide height and width …

Recently, there has been a resurgence of interest in multimode optical fibers illuminated by
a white light source. Largely, in anticipation of many integrated applications in the …

A flexible and detachable gas-absorption cell with variable optical path length was designed
to obtain the optical path optimal length for gas detection based on ultraviolet differential …

In this work, we report the usage of multi-longitudinal mode laser as an input source to
achieve a larger enhancement in the interaction length in cavity enhanced absorption …

Silicon photonics is continuing to develop for an increasing number of applications including
data centers, miniaturized sensors and atomic clocks. The development involved the …

Fiber-based gain-assisted incoherent broadband cavity enhanced spectroscopy is a novel
technique used to enhance spectroscopic measurement sensitivity. This technique …

Gas weak absorption in near-infrared is considered as inherent limit hinder the achievement
of the miniaturized gas sensor. Thus, cavity enhanced absorption spectroscopy (CEAS) …

This chapter introduces an overview on micro-electro-mechanical-system (MEMS)-based
swept laser sources. It begins with presenting the different wavelength-tuning sources, the …