| 摘要 |
A Switch/Variable Optical Attenuator (SVOA) includes a die including at least one 2x2 optical switch and a respective integral variable optical attenuator for each of the at least one 2x2 optical switches. Each of the at least one 2x2 optical switches includes an input optical port, an output optical port, an add optical port, and a drop optical port, the input optical port being connected to the output optical port in one state of the at least one 2x2 optical switch and the add optical port being connected to the output optical port in a second state of the at least one 2x2 optical switch. The output optical port of each of the at least one 2x2 optical switches is optically connected to an input of its respective integral variable optical attenuator.
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