AI Article Synopsis
- * Four-wave mixing is highlighted as a key mechanism for the successful initiation of the Mamyshev oscillator, leveraging its wide bandwidth of approximately 10 nanometers.
- * The research demonstrates that with a modest seed energy of around 30 nanojoules from the laser, a 100% success rate is achieved in starting the oscillator, requiring an overall four-wave mixing signal of about 100 picojoules.
Article Abstract
A femtosecond Mamyshev fiber oscillator in normal dispersion mode at 1 µm was started reliably and safely by an inexpensive diode-pumped passively Q-switched monolithic microchip laser emitting 300-ps pulses. Four-wave mixing spectral broadening is shown to play a pivotal role in starting the Mamyshev oscillator, owing to the random short and intense temporal fluctuations allowed by its ∼10-nm bandwidth. Systematic studies of the starting dynamics show that a success rate of 100% of the attempts is achieved with modest seed energy, as low as ∼30 nJ from the sub-nanosecond laser, corresponding to ∼100 pJ for the total four-wave mixing signal required to start the oscillation.
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| http://dx.doi.org/10.1364/OL.457486 | DOI Listing |
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