Ch4Sec3 - 4.3 4 MODES IN THE ASYMMETRIC WAVEGUIDE Truly...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
THE FIBER FORUM Fiber Optic Communications JOSEPH C. PALAIS PRESENTED BY
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Joseph C. Palais 4.3 2 Section 4.3 Modes In The Asymmetric Waveguide d n 3 n 2 n 1 z y Example: Let n 1 = 2.29 ZnS (zinc sulfide) n 2 = 1.5 glass n 3 = 1.0 air
Background image of page 2
Joseph C. Palais 4.3 3 MODES IN THE ASYMMETRIC WAVEGUIDE Mode Chart: n eff and θ vs. d/ λ TE 0 TM 0 12 . 0 05 . 0 , , 0 0 = = c TM c TE d d λ d/ λ n eff θ
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Joseph C. Palais
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 4.3 4 MODES IN THE ASYMMETRIC WAVEGUIDE Truly single mode TE operation is assured if d/ λ is small enough. In this example, the single-mode cutoff is at: 05 . < λ d 12 . , = < c TM d d No propagation at all occurs if...
View Full Document

This note was uploaded on 05/11/2010 for the course EEE EEE-448 taught by Professor Palais during the Fall '09 term at ASU.

Page1 / 4

Ch4Sec3 - 4.3 4 MODES IN THE ASYMMETRIC WAVEGUIDE Truly...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online