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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 RP Photonics Encyclopedia. Note that in some cases more than one answer is correct.

Question 21

In a Nd:YAG laser, amplified spontaneous emission (ASE) is usually much weaker than in a fiber laser,

(a) since there is no waveguide to confine the randomly emitted fluorescence

(b) because Nd:YAG has a lower emission cross-section

(c) because the emission bandwidth of Nd:YAG is smaller

(d) because Nd:YAG is a four-level laser medium

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