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Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

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Double-resonance nanolaser based on coupled slit-hole resonator structures.

Z H Zhu¹, H Liu, S M Wang

¹Department of Physics, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China.

|March 3, 2010

Summary

This study presents a metallic magnetic cavity nanolaser array. It achieves strong 1550 nm lasing when pumped at 980 nm, showing potential for optical devices and quantum information.

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Area of Science:

Photonics and Nanotechnology
Quantum Information Science

Background:

Metallic magnetic cavities offer unique electromagnetic properties.
Slit-hole resonators enable novel optical functionalities.
Dual-wavelength resonance is crucial for advanced laser applications.

Purpose of the Study:

To investigate a metallic magnetic cavity nanolaser array.
To achieve dual-wavelength hybrid magnetic resonance.
To demonstrate efficient lasing via optical pumping.

Main Methods:

Designing slit-hole resonators for orthogonal magnetic modes.
Utilizing Ytterbium (Yb) and Erbium (Er) codoped material as a gain medium.
Performing numerical simulations to analyze lasing performance.

Main Results:

Predesign of two orthogonal hybrid magnetic resonance modes with large spatial overlap at 980 nm and 1550 nm.
High optical activity achieved by incorporating Yb:Er codoped gain medium.
Strong lasing at 1550 nm demonstrated when the cavity array is pumped at 980 nm.

Conclusions:

The developed double resonance nanolaser array exhibits efficient dual-wavelength operation.
This technology holds promise for future optical devices.
Potential applications in quantum information techniques are highlighted.