Optical injection effects in electrically pumped semiconductor nano-laser arrays.

Area of Science:

• Photonics and Laser Technology
• Quantum Optics
• Semiconductor Devices

Background:

• Electrically pumped nano-laser arrays are crucial for integrated photonic circuits.
• Understanding their response to external optical injection is key for device optimization.
• Dynamical behavior in such arrays can be complex and sensitive to parameters.

Purpose of the Study:

• To theoretically analyze the dynamical response of electrically pumped nano-laser arrays to external optical injection.
• To investigate the effects of continuous wave (CW) and modulated optical injection.
• To identify key parameters influencing array dynamics.

Main Methods:

• Theoretical analysis of nano-laser array response.
• Exploration of continuous wave (CW) and modulated optical injection scenarios.
• Investigation of parameters such as injection strength, frequency detuning, and Purcell factor.

Main Results:

• Continuous wave injection induces diverse dynamics, including regular and quasi-periodic behavior.
• Injection strength, frequency detuning, and Purcell factor significantly impact array dynamics.
• Modulated injection leads to oscillatory behavior across broad regimes, dependent on injection strength and detuning.

Conclusions:

• External optical injection offers a method to control and tailor the dynamics of nano-laser arrays.
• The study provides insights into the complex interplay of parameters governing nano-laser array behavior.
• Findings are relevant for the design and application of advanced photonic devices.