Related Experiment Video
Updated: Mar 12, 2026
08:48
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
8.1K
Dynamically stable 0 degrees phase mode operation of a grating-surface-emitting diode-laser array.
N W Carlson1, G A Evans, J M Hammer
1David Sarnoff Research Center, CN-5300, Princeton, New !ersey 08543-5300, USA.
Optics Letters
|September 12, 2009
Summary
A new grating-surface-emitting diode-laser array achieved stable operation in the 0 degrees phase mode. This laser array shows promise for applications requiring high-quality, single-mode output with significant power.
Area of Science:
- Optics and Photonics
- Semiconductor Lasers
Background:
- Grating-surface-emitting diode-laser arrays are crucial for various photonic applications.
- Achieving stable, single-mode operation in these arrays is a persistent challenge.
Purpose of the Study:
- To demonstrate dynamically stable operation of a coherent grating-surface-emitting diode-laser array.
- To characterize the performance of the array in the 0 degrees phase mode.
Main Methods:
- The study utilized a coherent grating-surface-emitting diode-laser array.
- Operation was performed under pulsed conditions to assess performance metrics.
Main Results:
- Dynamically stable operation in the 0 degrees phase mode was successfully demonstrated.
- The array achieved a peak power output of 44 mW.
- A large central lobe on axis in the far field was observed.
- Single-mode spectral output with over 18-dB side-mode rejection was exhibited.
Conclusions:
- The developed grating-surface-emitting diode-laser array offers robust and stable performance.
- The array's characteristics are suitable for applications demanding high-power, single-mode laser output.
