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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 22 — Oct. 22, 2012
  • pp: 24843–24849

Sub-5-ps optical pulse generation from a 1.55-µm distributed-feedback laser diode with nanosecond electric pulse excitation and spectral filtering

Shaoqiang Chen, Aya Sato, Takashi Ito, Masahiro Yoshita, Hidefumi Akiyama, and Hiroyuki Yokoyama  »View Author Affiliations


Optics Express, Vol. 20, Issue 22, pp. 24843-24849 (2012)
http://dx.doi.org/10.1364/OE.20.024843


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Abstract

This paper reports generation of sub-5-ps Fourier-transform limited optical pulses from a 1.55-µm gain-switched single-mode distributed-feedback laser diode via nanosecond electric excitation and a simple spectral-filtering technique. Typical damped oscillations of the whole lasing spectrum were observed in the time-resolved waveform. Through a spectral-filtering technique, the initial relaxation oscillation pulse and the following components in the output pulse can be well separated, and the initial short pulse can be selectively extracted by filtering out the short-wavelength components in the spectrum. Short pulses generated by this simple method are expected to have wide potential applications comparable to mode-locking lasers.

© 2012 OSA

OCIS Codes
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.5390) Ultrafast optics : Picosecond phenomena

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 11, 2012
Revised Manuscript: October 1, 2012
Manuscript Accepted: October 9, 2012
Published: October 16, 2012

Citation
Shaoqiang Chen, Aya Sato, Takashi Ito, Masahiro Yoshita, Hidefumi Akiyama, and Hiroyuki Yokoyama, "Sub-5-ps optical pulse generation from a 1.55-µm distributed-feedback laser diode with nanosecond electric pulse excitation and spectral filtering," Opt. Express 20, 24843-24849 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-22-24843


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References

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