Avago Technologies Announces New Polarization-Multiplexed Quadrature Phase Shift Keying Coherent Receiver

Avago Technologies, a leading supplier of analog interface components for wireless, wireline, and industrial applications, today announced a new Polarization-Multiplexed Quadrature Phase Shift Keying (PM-QPSK) coherent receiver device, the AFCP-ICRX2CC, designed for 100G metropolitan and emerging 200G/400G long haul DWDM transmission systems.

Avago Technologies’ Second Generation PM-QPSK Coherent Receiver, AFCP-ICRX2CC

The new device is only one-third the size of its previous generation yet offers more functionality to enable smaller size transceiver or optical line card solutions in colorless coherent networks.

The new coherent receiver features an integrated input monitor photo-detector, variable optical attenuator (VOA), polarization splitters for signal and local oscillator, two matched 90o optical hybrids, four 25G balanced detector pairs, and four differential linear TIAs with manual and automatic gain control in a single compact surface-mount package. The device provides an increased dynamic range and improved optical signal to noise ratio (OSNR) for both single and multi-channel signals. In applications with multiple coincident signals and significantly higher optical input power versus single channel operation, the VOA function provides additional control of the input signal into the TIAs. In conjunction with an external local oscillator it eliminates the need for external optical filters providing flexibility to system operators for future system upgrades and reducing system cost. The receiver conforms to the Optical Internet working Forum (OIF) implementation agreement OIF-DPC-RX-01.2.

Product Highlights

  • Baud rate up to 32 GBd
  • High input dynamic range: THD < 5% at 3 mApp
  • 10 dB signal attenuation range
  • No active temperature control required.
  • Available for C-Band, L-Band and C+L-Band
  • Operating temperature: -5 °C to +80 °C

"Leveraging Avago's in-house InP and Silica-on-Silicon technology platforms and highly automated, sub-micron precision assembly platforms, we have delivered the highest level of integration and smallest footprint for our second generation PM-QPSK coherent receiver," said Stefan Rochus, Director of Optical Components Product Marketing at Avago Technologies. "This demonstrates Avago's continued commitment to advancing our coherent receiver technology to address the 100G metro and emerging 200G/400G long haul network applications."

"100G coherent technology is absolutely the key building block for transport networks-and not just for 100G deployments today but into the future. A very important part of the value of this one technology is that it spans 100G metro to 400G long-haul, and all those applications demand ever smaller size and greater functionality," said Karen Liu, principal analyst at Ovum. "The entire network infrastructure from metro to core is racing to keep up with traffic growth. Avago's receiver addresses a timely need as 100G metro-optimized and 400G long-haul systems come to market this year."

Source: http://www.avagotech.com

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