RP Photonics

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The Photonics Quiz

Test yourself by solving a set of questions concerning laser technology, optical fibers, and nonlinear optics! The following questions are mostly solvable by using the Encyclopedia of Laser Physics and Technology. Note that in some cases more than one answer is correct.

Question 25

Which of the following statements concerning frequency doubling of ultrashort pulses are correct?

(a) Shorter pump pulses can lead to a higher conversion efficiency.

(b) Shorter pump pulses can lead to a lower conversion efficiency.

(c) Crystal damage is more likely to be a problem for shorter pulses.

(d) For efficient conversion, one needs to check both group velocity mismatch and the phase-matching bandwidth.

(e) The phase-matching bandwidth is irrelevant as long as the pulses are not chirped, so that their instantaneous frequency is constant.

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