PHOTONICS AND OPTOELECTRONICS

Optical Review

, Volume 12, Issue 6, pp 445-447

First online:

Limits of Coherent Addition of Lasers: Simple Estimate

  • Dmitrii KouznetsovAffiliated withInstitute for Laser Science, University of Electro Communications Email author 
  • , Jean-François BissonAffiliated withInstitute for Laser Science, University of Electro Communications
  • , Akira ShirakawaAffiliated withInstitute for Laser Science, University of Electro Communications
  • , Ken-ichi UedaAffiliated withInstitute for Laser Science, University of Electro Communications

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Abstract

The coherent combining of single mode lasers using coupled cavities is considered. A simple analytical estimate of the number of lasers that can be efficiently combined in such a way is suggested. Such an estimate agrees with simulations and experiments reported recently.

Key words

coherent beam addition laser addition coherent beam combining power scaling