PPT Slide

NHI/YMMT/0004/00

NTT 1995

Exciton Absorption Reflection Switch (EARS)

Structure

Equivalent circuit

Output

beam

Input beam

p-AlGaAs

i-MQW

n-DBR

p-GaAs

n-GaAs

n-AlGaAs

Output beam

Control beam

+V

bias

R

HPT

MOD

Input

beam

MOD

HPT

Control

beam

R

+V

bias

1 cell

HPT

MOD

Control

beam

Output

beam

Array configuration

Input

beam

C

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