7. While most laser diodes are edge embeddings, Vertical Cavity Surface Emitting Laser (VCSEL) has several advantages due to its light output on the semiconductor surface. Describe the PIN diode structure for the optical resonator and current injection that make up the VCSEL device, and describe the threshold current change compared to other LDs and why.a

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7. While most laser diodes are edge embeddings, Vertical Cavity Surface Emitting Laser (VCSEL)
has several advantages due to its light output on the semiconductor surface. Describe the PIN
diode structure for the optical resonator and current injection that make up the VCSEL device,
and describe the threshold current change compared to other LDs and why.a
Transcribed Image Text:7. While most laser diodes are edge embeddings, Vertical Cavity Surface Emitting Laser (VCSEL) has several advantages due to its light output on the semiconductor surface. Describe the PIN diode structure for the optical resonator and current injection that make up the VCSEL device, and describe the threshold current change compared to other LDs and why.a
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