Issue 2: Frequency Comb Generation (2016)

Kerr optical frequency combs: theory, applications and perspectives

Kerr optical frequency combs: theory, applications and perspectives

The optical frequency comb technology is one of the most important breakthrough in photonics in recent years. This concept has revolutionized the science of ultra-stable lightwave and microwave signal generation. These combs were originally generated using …

Optical Frequency Comb Generation based on Erbium Fiber Lasers

Optical Frequency Comb Generation based on Erbium Fiber Lasers

Optical frequency combs have revolutionized optical frequency metrology and are being actively investigated in a number of applications outside of pure optical frequency metrology. For reasons of cost, robustness, performance, and flexibility, the erbium …

Normal-dispersion microresonator Kerr frequency combs

Normal-dispersion microresonator Kerr frequency combs

Optical microresonator-based Kerr frequency comb generation has developed into a hot research area in the past decade. Microresonator combs are promising for portable applications due to their potential for chip-level integration and low power consumption. …

Direct generation of optical frequency combs in ?(2) nonlinear cavities

Direct generation of optical frequency combs in ?(2) nonlinear cavities

Quadratic nonlinear processes are currently exploited for frequency comb transfer and extension from the visible and near infrared regions to other spectral ranges where direct comb generation cannot be accomplished. However, frequency comb generation has …

Multifrequency sources of quantum correlated photon pairs on-chip: a path toward integrated Quantum Frequency Combs

Multifrequency sources of quantum correlated photon pairs on-chip: a path toward integrated Quantum Frequency Combs

Recent developments in quantum photonics have initiated the process of bringing photonic-quantumbased systems out-of-the-lab and into real-world applications. As an example, devices to enable the exchange of a cryptographic key secured by the laws of quantum …

Modeling Frequency Comb Sources

Modeling Frequency Comb Sources

Frequency comb sources have revolutionized metrology and spectroscopy and found applications in many fields. Stable, low-cost, high-quality frequency comb sources are important to these applications. Modeling of the frequency comb sources will help the …

Dynamics of microresonator frequency comb generation: models and stability

Dynamics of microresonator frequency comb generation: models and stability

Microresonator frequency combs hold promise for enabling a new class of light sources that are simultaneously both broadband and coherent, and that could allow for a profusion of potential applications. In this article, we review various theoretical models …

Quantum Cascade Laser Frequency Combs

Quantum Cascade Laser Frequency Combs

It was recently demonstrated that broadband quantum cascade lasers can operate as frequency combs. As such, they operate under direct electrical pumping at both mid-infrared and THz frequencies, making them very attractive for dual-comb spectroscopy. …

Aluminum nitride as nonlinear optical material for on-chip frequency comb generation and frequency conversion

Aluminum nitride as nonlinear optical material for on-chip frequency comb generation and frequency conversion

A number of dielectric materials have been employed for on-chip frequency comb generation. Silicon based dielectrics such as silicon dioxide (SiO2) and silicon nitride (SiN) are particularly attractive comb materials due to their low optical loss and maturity …

Spectral Methods for Determining the Stability and Noise Performance of Passively Modelocked Lasers

Spectral Methods for Determining the Stability and Noise Performance of Passively Modelocked Lasers

We describe spectral or dynamical methods that can be used to determine the stability and noise performance of modelocked lasers.We first review methods that have been used to date to theoretically and computationally study passively modelocked lasers, …

On Frequency Combs in Monolithic Resonators

On Frequency Combs in Monolithic Resonators

Optical frequency combs have become indispensable in astronomical measurements, biological fingerprinting, optical metrology, and radio frequency photonic signal generation. Recently demonstrated microring resonator-based Kerr frequency combs point the way …

Special issue: Frequency comb generation

Special issue: Frequency comb generation

The development of locked frequency combs in the early 2000s had a dramatic impact on the measurement of optical frequencies – improving both the accuracy and precision of those measurements by many orders of magnitude. The scope of potential applications …