A particular laser structure is designed so that the active region extends the edges of devices. State whether the following statement is true or false.

Related MCQs

• The Nd: YAG laser is costlier than earth-doped glass fiber laser. State whether the following statement is true or false
• Some refractive index variation is introduced into lateral structure of laser. State whether the given statement is true or false.
• The active layer composition must be adjusted if a particular center wavelength is desired.State whether the given statement is true or false.
• An injection laser has active cavity losses of 25 cm-1and the reflectivity of each laser facet is 30%. Determine the laser gain coefficient for the cavity it has a length of 500μm.
• Fiber based lasers provide diffraction-limited power at higher levels than solid-state laser. State whether the given statement is true or false
• Longitudinal modes contribute only a single spot of light to the laser output. State whether the given statement is true or false.
• Strip geometry of a device or laser is important. State whether the given statement is true or false.
• Magneto-optic devices can be used to function as isolators. State whether the given statement is true or false.
• Fabry-Perot devices with BH geometries high modulation speeds than DFB-BH lasers. State whether the given statement is true or false
• . A decibel may be defined as the ratio of input and output optical power for a particular optical wavelength. State whether the following statement is true or false.