Figure 2

Guiding properties of optical-lattice-like cladding waveguides.
Measured near-field intensity distribution of optical-lattice-like cladding waveguides Nos. 1–4 for (a–d) TE00 and (e–h) TM00 polarizations at 632.8 nm.
Guiding properties of optical-lattice-like cladding waveguides.
Measured near-field intensity distribution of optical-lattice-like cladding waveguides Nos. 1–4 for (a–d) TE00 and (e–h) TM00 polarizations at 632.8 nm.