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Published on: July 12, 2017
Divided-pulse amplification of ultrashort pulses
Shian Zhou1, Frank W Wise, Dimitre G Ouzounov
1Department of Applied Physics, Cornell University, Ithaca, New York 14853, USA. sz53@cornell.edu
Optics Letters
|March 7, 2007
Summary
This study introduces divided-pulse amplification to prevent nonlinear effects in ultrashort optical pulse amplification. The method splits, amplifies, and recombines pulses, offering a new technique for high-intensity pulse generation.
Area of Science:
- Optics and Photonics
- Nonlinear Optics
- Laser Technology
Background:
- Nonlinear effects limit the amplification of ultrashort optical pulses.
- Existing methods like dispersion management have limitations.
Purpose of the Study:
- To propose and demonstrate a novel method for avoiding nonlinear effects during ultrashort optical pulse amplification.
- To present divided-pulse amplification as a complementary technique to dispersion management.
Main Methods:
- The initial ultrashort optical pulse is longitudinally divided into multiple lower-energy pulses.
- Each lower-energy pulse undergoes amplification independently.
- The amplified pulses are subsequently recombined to form a high-intensity final pulse.
Main Results:
- Demonstration of a new approach to amplify ultrashort optical pulses without inducing nonlinear effects.
- Successful recombination of amplified lower-energy pulses into a single intense pulse.
Conclusions:
- Divided-pulse amplification is a viable technique for generating high-intensity ultrashort optical pulses.
- This method effectively mitigates nonlinearities, complementing existing dispersion management strategies.
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