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Optics Letters

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  • Vol. 15, Iss. 4 — Feb. 15, 1990
  • pp: 218–220

Observation of mode locking in a synchronously pumped Nd:YAG laser

C. J. Flood, G. Giuliani, and H. M. van Driel  »View Author Affiliations


Optics Letters, Vol. 15, Issue 4, pp. 218-220 (1990)
http://dx.doi.org/10.1364/OL.15.000218


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Abstract

We report on the mode-locking behavior of a 1.06-μm Nd:YAG ring oscillator synchronously pumped by a 76-MHz, 20-psec dye laser at 0.59 μm with an average power of 600 mW. Gain modulation is based on relaxation from the pump band to the upper laser level with a time constant (minimum gain modulation time) of 470 psec; stable mode-locked operation is achieved with a gain modulation of only 10−4. Preliminary results give a minimum pulse width of 140 psec and suggest a novel way of mode locking rare-earth waveguide lasers.

© 1990 Optical Society of America

History
Original Manuscript: July 10, 1989
Manuscript Accepted: December 8, 1989
Published: February 15, 1990

Citation
C. J. Flood, G. Giuliani, and H. M. van Driel, "Observation of mode locking in a synchronously pumped Nd:YAG laser," Opt. Lett. 15, 218-220 (1990)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-15-4-218


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References

  1. C. K. Chan, S. O. Sari, Appl. Phys. Lett. 25, 403 (1974). [CrossRef]
  2. L. F. Mollenauer, N. D. Vieira, L. Szelto, Opt. Lett. 7, 414 (1982). [CrossRef] [PubMed]
  3. D. J. Kuizenga, A. E. Siegman, IEEE J. Quantum Electron. QE-6, 694 (1970). [CrossRef]
  4. J. Cruz, G. Giuliani, H. M. van Driel, “Measurement of the subnanosecond, nonradiative relaxation time from excited states of Nd3+ in a Nd:YAG crystal,” Opt. Lett. (to be published).
  5. A. E. Siegman, Lasers (Oxford U. Press, Oxford, UK, 1986), p. 1062;H. A. Haus, IEEE J. Quantum Electron. QE-11, 736 (1975);B. Xiaoyi, N. Cunkai, Opt. Lett. 12, 251 (1987). [CrossRef] [PubMed]

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