Two-dimensional waveguide modeling of leaky-mode arrays
Journal Article
·
· Opt. Lett.; (United States)
We examine the structure and modal gains of the leaky modes of an infinite periodic index-guided array by direct solution of the two-dimensional Helmholtz equation. These findings serve to validate the physical insights suggested by our previous calculations based on the effective-index method and, in particular, confirm the concept of guide-width tailoring for affecting fundamental-mode operation of these devices at high-power levels. Our newer model also provides new insights into the mode-selection mechanism and demonstrates clearly the necessity of a full two-dimensional treatment if one is to describe the mode profiles or their relative gains accurately.
- Research Organization:
- Division 1124, Sandia National Laboratories, Albuquerque, New Mexico (US)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5911099
- Journal Information:
- Opt. Lett.; (United States), Journal Name: Opt. Lett.; (United States) Vol. 14:16; ISSN OPLED
- Country of Publication:
- United States
- Language:
- English
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