The phenomenon resulting in the electrons to jump from one state to another each time emitting of photon is known as :
A) inter-valence band absorption
B) mode hopping
C) quantum cascading
D) quantum confinement
Correct Answer:
Verified
Q11: Lasing obtained in _ when 191 mW
Q12: The thulium doped fiber laser when pumped
Q13: The diode-cladding-pumped Erbium praseodymium-doped fluoride device operates
Q14: A technique based on inter-sub band transition
Q15: In a QC laser, a same electron
Q17: A QC laser is sometimes referred as:
A)unipolar
Q18: In QC lasers, it is possible to
Q19: QC lasers _ the performance characteristics.
A)have negligible
Q20: An MQW cascaded laser is more advantageous
Q21: The absence of _ in LEDs limits
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