On-axis and off-axis butt-joining coupling by GRIN tapered planar waveguides with hyperbolic secant refractive-index profiles: Numerical aperture conversion and position and angle transformations
- Pérez, M.V.
- Bao, C.
- Gómez-Reino, C.
ISSN: 0030-4018
Year of publication: 1998
Volume: 146
Issue: 1-6
Pages: 302-308
Type: Article