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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 6 — Mar. 15, 2006
  • pp: 835–837

Supermode-noise-free eighth-order femtosecond soliton from a backward dark-optical-comb-injection mode-locked semiconductor optical amplifier fiber laser

Gong-Ru Lin, Ci-Ling Pan, and I-Hsiang Chiu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 6, pp. 835-837 (2006)
http://dx.doi.org/10.1364/OL.31.000835


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Abstract

A backward dark-optical-comb-injection mode-locked semiconductor optical amplifier fiber laser (SOAFL) with a femtosecond pulse width and an ultrahigh supermode-noise suppressing ratio (SMSR) is primarily demonstrated. The mode-locked SOAFL pulse with a spectral linewidth of 0.45 nm is shortened from 15 to 8.6 ps under chirp compensation in a 420 m long dispersion-compensated fiber, corresponding to a time–bandwidth product of 0.48. The eighth-order soliton is obtained by the nonlinearly soliton’s compression of the chirp-compensated SOAFL pulse in a 112 m long single-mode fiber at an input peak power of 51 W , providing the pulse width, the linewidth, and the nearly transform-limited time–bandwidth product are < 200 fs , 13.8 nm , and 0.34, respectively. The phase noise and integrated timing jitter at an offset frequency below 1 MHz are 105 dBc Hz and 0.8 ps , respectively. An ultrahigh pulse-compression ratio of 43 and a SMSR of 87 dB for the eighth-order SOAFL soliton are reported.

© 2006 Optical Society of America

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.4050) Lasers and laser optics : Mode-locked lasers
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Ultrafast Optics

History
Original Manuscript: August 3, 2005
Revised Manuscript: October 29, 2005
Manuscript Accepted: November 1, 2005

Citation
Gong-Ru Lin, Ci-Ling Pan, and I-Hsiang Chiu, "Supermode-noise-free eighth-order femtosecond soliton from a backward dark-optical-comb-injection mode-locked semiconductor optical amplifier fiber laser," Opt. Lett. 31, 835-837 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-835

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