waveguides are plagued by high losses.

Related MCQs

• Propagation losses in slab and strip waveguides are smaller than the single mode fibre losses.
• The planar waveguides may be fabricated from glasses and other isotropic materials such as                        and                              
• TEM wave can propagate in rectangular waveguides. State true/false.
• Stripline and parallel plate waveguides support the TEM wave. State true/false.
• Absorption losses due to atomic defects mainly include                        
• Optical fibers suffer radiation losses at bends or curves on their paths.
• How the potential macro bending losses can be reduced in case of multimode fiber?
• Sharp bends or micro bends causes significant losses in fiber.
• An injection laser has active cavity losses of 25 cm-1 and the reflectivity of each laser facet is 30%. Determine the laser gain coefficient for the cavity it has a length of 500μm.
• The insertion losses of the fiber splices are much less than the Fresnel reflection loss at a butted fiber joint.