Phase-Coherent Optical Pulse Synthesis from Separate Femtosecond Lasers | Zendy

Robert K. Shelton | Zendy; Longsheng Ma | Zendy; Henry C. Kapteyn | Zendy; Margaret M. Murnane | Zendy; J. L. Hall | Zendy; Jun Ye | Zendy

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Phase-Coherent Optical Pulse Synthesis from Separate Femtosecond Lasers

Author(s) -

Robert K. Shelton,

Longsheng Ma,

Henry C. Kapteyn,

Margaret M. Murnane,

J. L. Hall,

Jun Ye

Publication year - 2001

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1061754

Subject(s) - ultrashort pulse , laser , femtosecond , optics , coherence (philosophical gambling strategy) , physics , interferometry , wavelength , femtosecond pulse shaping , bandwidth limited pulse , autocorrelation , coherence time , pulse (music) , optoelectronics , materials science , statistics , mathematics , quantum mechanics , detector

We generated a coherently synthesized optical pulse from two independent mode-locked femtosecond lasers, providing a route to extend the coherent bandwidth available for ultrafast science. The two separate lasers (one centered at 760 nanometers wavelength, the other at 810 nanometers) are tightly synchronized and phase-locked. Coherence between the two lasers is demonstrated via spectral interferometry and second-order field cross-correlation. Measurements reveal a coherently synthesized pulse that has a temporally narrower second-order autocorrelation width and that exhibits a larger amplitude than the individual laser outputs. This work represents a new and flexible approach to the synthesis of coherent light.

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