Calculate the gain at the onset of coherent light generation for a GaAs diode. Assume a = 15 cm', the refractive index of GaAs 3.6, and the length of the diode, L = 130 µm. %3D Hence, determine the corresponding current density using B = 3 x 10-2 cm/A.

Calculate the gain at the onset of coherent light generation for a GaAs diode. Assume a = 15 cm', the refractive index of GaAs 3.6, and the length of the diode, L = 130 µm. %3D Hence, determine the corresponding current density using B = 3 x 10-2 cm/A.

University Physics Volume 3

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ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter7: Quantum Mechanics

Section: Chapter Questions

Problem 26CQ: A tunnel diode and a resonant-tunneling diode both utilize the same physics principle of quantum...

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Question

Calculate the gain at the onset of coherent light generation for a GaAs diode.
Assume a = 15 cm', the refractive index of GaAs 3.6, and the
length of the diode, L = 130 µm.
%3D
Hence, determine the corresponding current density using B = 3 x 10-2 cm/A.

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