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Optics Letters

Optics Letters


  • Vol. 6, Iss. 1 — Jan. 1, 1981
  • pp: 13–15

Recompression of optical pulses broadened by passage through optical fibers

Hiroki Nakatsuka and D. Grischkowsky  »View Author Affiliations

Optics Letters, Vol. 6, Issue 1, pp. 13-15 (1981)

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A new technique for achieving distortion-free pulse propagation through single-mode optical fibers is demonstrated. Mode-locked dye-laser pulses with 3.3-psec pulse widths and a wavelength of 5878 Å were propagated through a 325-m single-mode optical fiber and emerged with 13-psec pulse widths. These output pulses were recompressed to their original 3.3-psec pulse widths by passage through a 50-cm near-resonant atomic sodium-vapor delay line.

© 1981 Optical Society of America

Original Manuscript: August 14, 1980
Published: January 1, 1981

Hiroki Nakatsuka and D. Grischkowsky, "Recompression of optical pulses broadened by passage through optical fibers," Opt. Lett. 6, 13-15 (1981)

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  1. A. Kawana et al., “Pulse broadening in long-span single-mode fibers around a material-dispersion-free wavelength,” Opt. Lett 2, 106–108 (1978).
  2. D. M. Bloom et al., “Direct demonstration of distortionless picosecond-pulse propagation in kilometer-length optical fibers,” Opt. Lett. 4, 297–299 (1979). [CrossRef] [PubMed]
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  5. J. K. Wigmore, D. Grischkowsky, “Temporal compression of light,” IEEE J. Quantum Electron. QE-14, 310–315 (1978). [CrossRef]
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  7. J. A. Giordamine, M. A. Duguay, J. W. Hansen, “Compression of optical pulses,” IEEE J. Quantum Electron. QE-4, 252–255 (1968). [CrossRef]
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  9. M. A. Duguay, J. W. Hansen, “Compression of pulses from a mode-locked He–Ne laser,” Appl. Phys. Lett. 14, 14–15 (1969). [CrossRef]
  10. T. Suzuki, T. Fukumoto, “Use of chirp pulses to improve the pulse transmission characteristics in a dielectric optical waveguide,” Electron. Commun. Jpn. 59-C, 117–125 (1976).
  11. J. V. Wright, B. P. Nelson, “Pulse compression in optical fibers,” Electron. Lett. 13, 361–363 (1977). [CrossRef]
  12. This measured linewidth is larger than the linewidth deduced from the output pulse width from the fiber, knowing the temporal dispersion of the fiber to be 12 psec/Å. The explanation for this discrepancy, we believe, is that the laser frequency jitters from pulse to pulse during the exposure time of the interferogram. This jitter leads to an apparently larger linewidth. However, the output of the fiber is not affected by this jitter, and the width of the output pulses provides a measure of the actual bandwidth of the individual pulses.
  13. It is of interest to point out that we initially tried a cross-correlation scheme similar to that of Ref. 2. For our measurement we used noncollinear mixing of relatively strong undelayed probing pulses with the relatively weak delayed pulses. Passage through the fiber introduced a delay of approximately 1.5 μsec. We were forced to abandon this approach because the relative jitter (typically ±2 psec) between the two pulse trains prevented accurate measurement of the recompressed output pulse widths.
  14. R. H. Stolen, C. Lin, “Self-phase-modulation in silica optical fibers,” Phys. Rev. A 17, 1448–1453 (1978). [CrossRef]
  15. This value of absorption can be significantly reduced by reducing the number density N and increasing the path length. This is because we are operating in the resonant collision-broadening regime, where the absorption coefficient on the wings of the line that is due to these resonant collisions is proportional to the square of N.
  16. E. P. Ippen, D. J. Eilenberger, R. W. Dixon, “Picosecond pulse generation by passive mode-locking of diode lasers,” Appl. Phys. Lett. 37, 267–269 (1980). [CrossRef]

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