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Multiwavelength pulse generator using time-lens compression.

James van Howe1, Jonas Hansryd, Chris Xu

  • 1School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA. jwv9@cornell.edu

Optics Letters
|July 21, 2004
PubMed
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We developed a new time-lens compression method to create evenly spaced multiwavelength pulse trains. This technique also improves pulse quality using a novel aberration-correction method.

Area of Science:

  • Optics and Photonics
  • Laser Technology

Background:

  • Generating precisely controlled multiwavelength pulse trains is crucial for advanced optical systems.
  • Existing methods often lack tunability or sufficient pulse quality.

Purpose of the Study:

  • To demonstrate a novel time-lens compression technique for generating tunable, evenly spaced multiwavelength pulse trains.
  • To introduce and validate a temporal aberration-correction method for enhanced pulse quality.

Main Methods:

  • Utilizing time-lens compression to simultaneously compress and wavelength-displace optical pulses.
  • Implementing an aberration-correction technique analogous to spatial correction lenses.
  • Employing continuous-wave distributed-feedback lasers and electro-optic phase modulators in an all-fiber system.

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Main Results:

  • Successfully generated temporally evenly spaced multiwavelength pulse trains.
  • Demonstrated improved compressed pulse quality through aberration correction.
  • Achieved complete tunability of temporal spacing, spectral profile, and repetition rate.

Conclusions:

  • The demonstrated time-lens compression method offers a versatile and high-quality approach for generating multiwavelength pulse trains.
  • The aberration-correction technique enhances the practicality of time-lens systems.
  • The all-fiber, tunable system provides a robust platform for various photonic applications.