Abstract
Threshold analysis for transverse instabilities in photorefractive counterpropagating two-wave mixing through reflection gratings is performed. A numerical algorithm for the treatment of wave equations in this geometry is developed, displaying the emergence of running transverse waves. They appear above a threshold in the applied electric field, and their transverse wave number and oscillation frequency agree well with the values predicted by stability analysis.
Original language | English |
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Pages (from-to) | 498-500 |
Number of pages | 3 |
Journal | Optics Letters |
Volume | 22 |
Issue number | 8 |
DOIs | |
Publication status | Published - 15 Apr 1997 |
Externally published | Yes |