An Organic Microlaser Array Based on a Lateral Microcavity of a Single J-aggregation Microbelt

Area of Science:

• Photonics and Nanotechnology
• Materials Science
• Organic Electronics

Background:

• Integrating nano- and microscale laser arrays into photonic devices is challenging, especially with semiconductor nanowire lasers.
• Organic microbelts offer potential for novel laser architectures.
• Precise fabrication of microscale laser arrays is crucial for advanced photonic applications.

Purpose of the Study:

• To develop a low-threshold lateral-cavity microlaser array.
• To demonstrate the fabrication of a compact and uniform 1x6 microlaser array from a single organic microbelt.
• To assess the reproducibility and precision of the fabricated microlasers for potential nanophotonic applications.

Main Methods:

• Fabrication of a single-crystalline organic microbelt (OMB) of 1,4-dimethoxy-2,5-di[4'-(cyano)styryl]benzene (COPV).
• Utilizing a top-down two-photon processing technique to precisely cut the OMB into six pieces.
• Characterization of the resulting lateral-cavity microlasers.

Main Results:

• Successful fabrication of a compact and uniform 1x6 microlaser array along the length of the OMB.
• Demonstration of low-threshold lasing from the lateral-cavity microlasers.
• Excellent reproducibility and addressable high precision of the individual microlasers.

Conclusions:

• The developed organic microbelt microlaser array is a viable candidate for miniaturized coherent light sources.
• The precise fabrication technique enables scalable production of uniform micro-laser arrays.
• This technology holds promise for future advancements in nanophotonics and integrated optical circuits.