Half a century has passed since Theodore Maiman's small ruby rod crossed the threshold of
laser emission. The breakthrough demonstration earned headlines, but in the early years …

Tunable semiconductor lasers have been listed in numerous critical technology lists for
future optical communication and sensing systems. This paper summarizes a tutorial that …

This book explains physical principles, unique benefits, broad categories, implementation
aspects, and performance criteria of distributed optical fiber sensors (DOFS). For each kind …

The vast majority of gaseous chemical substances exhibit fundamental vibrational
absorption bands in the mid-infrared spectral region (≈ 2–25 µm), and the absorption of …

The state of the art of modern lightwave system design Recent advances in lightwave
technology have led to an explosion of high-speed global information systems throughout …

Fiber-optic communication systems have revolutionized our telecommunication
infrastructures–currently, almost all telephone land-line, cellular, and internet …

Chip-scale lasers with a wide tunable range and a narrow linewidth have rich applications in
optical communications, sensing, and light detection and ranging systems. External cavity …

Passive optical networks (PONs) have been widely used in access networks and are today
the access technology of choice for operators, especially when they need to build new …

We report recent device characterization results for a fully packaged widely tunable digital
supermode (DS) distributed Bragg reflector (DBR) laser which has been monolithically …

The ability to tune the frequency of an oscillator is of critical importance and is a fundamental
building block for many systems, be they mechanical or electronic,. However, this very …