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Design of unidirectional erbium-doped waveguide ring laser with asymmetric distributed Bragg grating

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3 Author(s)
Mozjerin, I. ; Dept. of Phys. Electron., Tel Aviv Univ., Israel ; Ruschin, S. ; Hardy, A.

Proposed is the employment of a second-order asymmetric Bragg grating as an intra-cavity element enabling unidirectional operation of integrated ring lasers. This idea is examined by means of numerical simulations for the case of erbium-doped silica-on-silicon waveguide ring lasers. It is shown that suppression of lasing in one direction can be designed to achieve 20 dB.

Published in:

Electronics Letters  (Volume:41 ,  Issue: 20 )