Emerging Trends in Photonic Integrated Laser

Dear Colleagues,

In recent years, integrated photonics has made significant strides due to advancements in nanofabrication technologies. Key components such as low-loss waveguides, integrated lasers, optical modulators, filters, detectors, and isolators have all been successfully implemented on an integrated platform. Additionally, the high-level confinement of light within integrated optical waveguides enables the exploration of optical nonlinearities, leading to nonlinear photonics phenomena like optical frequency comb generation, supercontinua, and second harmonic generation. These components facilitate the integration of complex and multi-functional optical systems at the chip scale, offering portability and low power consumption. Photonic integrated lasers have become the primary source for most integrated photonic systems, meeting the demands for narrow linewidth, integrability, and cost-effectiveness. Furthermore, the achievement of ultra-narrow linewidth lasers has been accomplished through self-injection locking to an ultra-high Q-integrated optical resonator. Integrated piezoelectric actuators enable frequency tunability. Despite these promising advancements, challenges persist in developing lasers that possess both a narrow linewidth and tunability, as well as in integrating lasers that operate at visible and ultraviolet frequencies. The heterogeneous integration of the laser with other photonic components will further enhance the stability, scalability, and volume production of the photonic system.

This Special Issue invites manuscripts that introduce recent advances in emerging trends in photonic integrated lasers. All theoretical, numerical, and experimental papers will be accepted. Topics of interest include, but are not limited to, the following:

• Ultra-narrow linewidth integrated lasers;
• Frequency tunable photonic lasers;
• The piezoelectric actuation of integrated lasers;
• The stabilization and characterization of photonic lasers;
• The heterogeneous integration of semiconductor lasers;
• The hybrid integration of photonic lasers on photonic integrated circuits;
• The packaging of integrated laser modules;
• High output power photonic lasers;
• Visible and ultraviolet light photonic integrated lasers;
• Photonic lasers with novel structures;
• Self-injection locked photonic lasers;
• The application of photonic integrated lasers in LiDAR and spectroscopy.

Dr. Hao Tian
Guest Editor

Manuscript Submission Information

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