1) The spontaneous emission profile of a transition has an unusual lineshape: the curve is an isosceles triangle with a base width of 3.0 GHz. The transition states are 2.0 eV apart and the A coefficient for this transition is 6.0 MHz. Take the index of refraction to be unity. What is the cross-section for stimulated emission at resonance?
1) The spontaneous emission profile of a transition has an unusual lineshape: the curve is an isosceles triangle with a base width of 3.0 GHz. The transition states are 2.0 eV apart and the A coefficient for this transition is 6.0 MHz. Take the index of refraction to be unity. What is the cross-section for stimulated emission at resonance?
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Transcribed Image Text:1) The spontaneous emission profile of a transition has an unusual lineshape: the curve is an
isosceles triangle with a base width of 3.0 GHz. The transition states are 2.0 eV apart and the A
coefficient for this transition is 6.0 MHz. Take the index of refraction to be unity. What is the
cross-section for stimulated emission at resonance?
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