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Creators/Authors contains: "Arnold, Kellen P"

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  1. Free, publicly-accessible full text available April 1, 2026
  2. We report a quantum-well-intermixing-free three-section mode-locked laser diode at 1580nm, featuring 1.70 psec pulse width. The fixed-point frequency analysis shows four different laser parameters conducive for compensating repetition rate and carrier frequency variations in space environment. 
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  3. We report a simple, vacuum-compatible fiber attach process forin situstudy of grating-coupled photonic devices. The robustness of this technique is demonstrated on grating-coupled waveguides exposed to multiple X-ray irradiations for aerospace studies. 
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  4. We report a split ring photonic crystal that demonstrates an order of magnitude larger peak energy density compared to traditional photonic crystals. The split ring offers highly focused optical energy in an accessible subwavelength gap. 
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