Theoretical analysis reveals equations governing reflectivity in asymmetric Bragg mirrors, highlighting design trade-offs against conventional quarter-wavelength structures.
By using the concept of transfer matrices and Bloch waves, we have derived a set of equations that provide insight into the operation of asymmetric Bragg reflectors that have been demonstrated to be useful in achieving high reflectivities in strained-material systems. These equations will be useful in the design of asymmetric mirrors and can be used to compare the trade-offs between the conventional, symmetric (quarter-wavelength), and asymmetric mirrors.
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Murtaza et al. (1996) studied this question.
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