Theory and measurement of the soliton self-frequency shift and efficiency in optical microcavities.
Opt Lett
; 41(15): 3419-22, 2016 Aug 01.
Article
em En
| MEDLINE
| ID: mdl-27472583
ABSTRACT
Dissipative Kerr cavity solitons experience a so-called self-frequency shift (SFS) as a result of Raman interactions. The frequency shift has been observed in several microcavity systems. The Raman process has also been shown numerically to influence the soliton pumping efficiency. Here, a perturbed Lagrangian approach is used to derive simple analytical expressions for the SFS and the soliton efficiency. The predicted dependences of these quantities on soliton pulse width are compared with measurements in a high-Q silica microcavity. The Raman time constant in silica is also inferred. Analytical expressions for the Raman SFS and soliton efficiency greatly simplify the prediction of soliton behavior over a wide range of microcavity platforms.
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MEDLINE
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2016
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Article