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Multiply resonant distributed-feedback lasers

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2 Author(s)
Stoll, H. ; Aerospace Corporation, Los Angeles, CA, USA ; Seib, D.H.

A modified distributed-feedback (DFB) laser, termed the multiply resonant distributed-feedback (MRDFB) laser, is described and demonstrated. The MRDFB-laser cavity incorporates a doubly periodic index-of-refraction variation which leads to the colinear generation of several preselected laser wavelengths simultaneously. A theoretical analysis of the MRDFB laser is given using the coupled-mode formalism, formulas are given for determining MRDFB-laser wavelengths, and estimates are made of required threshold gains. Experimental results obtained from MRDFB GaAs homojunction injection lasers are presented which verify important aspects of the theory.

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Quantum Electronics, IEEE Journal of  (Volume:12 ,  Issue: 1 )