Laser/Anti-Laser Schematic (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Laser/Anti-Laser Schematic

Caption

Schematics above show light input (green) entering opposite ends of a single device. When the phase of light input 1 is faster than that of input 2 (left panel), the gain medium dominates, resulting in coherent amplification of the light, or a lasing mode. When the phase of light input 1 is slower than input 2 (right panel), the loss medium dominates, leading to coherent absorption of the input light beams, or an anti-lasing mode.

Credit

Zi Jing Wong/UC Berkeley

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