The planar waveguides may be fabricated from glasses and other isotropic materials such as                        and                              

Related MCQs

• Propagation losses in slab and strip waveguides are smaller than the single mode fibre losses.
• Stripline and parallel plate waveguides support the TEM wave. State true/false.
•                        waveguides are plagued by high losses.
• TEM wave can propagate in rectangular waveguides. State true/false.
• As compared to planar LED structure, Dome LEDs have                              External power efficiency                        effective emission area and                            radiance.
• Which of the following materials have refractive index near two?
• Devices such as                        are used to simulate the steady-state mode distribution.
• A high-impedance amplifier has an effective input resistance of 4MΩ. Find the maximum bandwidth that may be obtained without equalization if the total capacitance is 6 pF and total effective load resistance is 2MΩ.
• The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ.
•                            may be used for measurement of the absolute optical attenuation on a fiber link.