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Optics Letters

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  • Vol. 23, Iss. 19 — Oct. 1, 1998
  • pp: 1547–1549

5-GHz repetition-rate dual-wavelength pulse-train generation from an intracavity frequency-modulated Er-Yb:glass laser

S. Longhi, G. Sorbello, S. Taccheo, and P. Laporta  »View Author Affiliations


Optics Letters, Vol. 23, Issue 19, pp. 1547-1549 (1998)
http://dx.doi.org/10.1364/OL.23.001547


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Abstract

We report the experimental demonstration of nearly transform-limited dual-wavelength pulse trains at a 5-GHz repetition rate that were generated by spectral filtering of an intracavity 2.5-GHz frequency-modulated Er–Yb bulk-glass laser operating at the 1533-nm wavelength. Highly stable dual-wavelength pulse trains with ~165-GHz frequency separation, ~48-ps pulse duration, and ~1-mW average single-mode fiber-coupled power were obtained.

© 1998 Optical Society of America

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(320.5550) Ultrafast optics : Pulses

Citation
S. Longhi, G. Sorbello, S. Taccheo, and P. Laporta, "5-GHz repetition-rate dual-wavelength pulse-train generation from an intracavity frequency-modulated Er-Yb:glass laser," Opt. Lett. 23, 1547-1549 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-19-1547


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References

  1. For a recent review see, for instance, the special issue on ultrafast optical pulse technologies and their applications, IEICE Trans. Electron. E81-C, 93 (1998).
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  12. Observation of wider FM bandwidths is prevented because of finite cavity bandwidth effects that are due to the etalon; for cavity lengths closer to exact synchronism the laser switches off, and closer to resonance it switches on again and FM mode locking is attained.
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  14. It should be noted that, owing to the phase relations between FM modes, a possible extension of the technique for generating a multiwavelength pulse train at a higher repetition frequency (e.g., by spectral filtering of other FM modes in addition to the Stokes and anti-Stokes bands) is not straightforward, requiring a suitable rephasing of the additional groups of phase-locked modes.
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