Active-Passive 4x4 SOA-Based Switch with Integrated Power Monitoring
K. Wang, A. Wonfor, Richard V. Penty, Ian H. White · Optical Fiber Communication Conference · 2012
The first monolithically integrated 4x4 switch with power monitoring function using on-chip PIN photodiodes is reported. Using 10Gb/s signals, under active power control an IPDR of 12dB for a 1dB power penalty is achieved.