Advances in Colloidal Quantum Dot Laser Diodes

Colloidal quantum dots possess distinctive optoelectronic properties, rendering them a promising material for gain applications. Additionally, colloidal quantum dot lasers can emit light over a broad range of wavelengths, spanning from the near-infrared to the visible spectrum, which makes them suitable for various applications. The potential impact of colloidal quantum dot lasers on various industries and technologies cannot be overstated. Their continued development and optimization represent an exciting area of research that could revolutionize numerous fields. The review examines the challenges related to achieving lasing with colloidal quantum dots, discusses potential approaches to overcome these challenges, and surveys the latest advances made toward achieving this objective.