Evaluation of bound and leaky eigenmode techniques for nontransparent waveguides
Conference
·
OSTI ID:64734
- Univ. of Rochester, NY (United States). Inst. of Optics
The use of bound and leaky eigenmodes to describe propagation in radiatively leaky planar waveguides that incorporate material absorption or gain is discussed. A criterion for determining which of the bound and leaky modes should be included in this calculation is provided, as is an explicit means of determining the contribution of each modes, The strategy provided here reveals that for the case of absorptive devices -- e.g. waveguide detector structures or absorptive filters -- there exists a regime in which one must discard the contribution of a fundamental mode, in favor of an improper leaky mode if one wishes to accurately obtain results such as quantum efficiency and device throughput.
- OSTI ID:
- 64734
- Report Number(s):
- CONF-940142--; ISBN 0-8194-1441-7
- Country of Publication:
- United States
- Language:
- English
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