A free-running ring quantum cascade laser achieves a 50 kHz linewidth at 1 s integration time, representing at least a sixfold improvement over prior state-of-the-art devices above 7 micrometers.
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Free-Running Ring Quantum Cascade Laser with 50 kHz Linewidth
A free-running ring quantum cascade laser achieves a 50 kHz linewidth at 1 s integration time, representing at least a sixfold improvement over prior state-of-the-art devices above 7 micrometers.