NeoPhotonics adds Class 50 versions of coherent modulator and receiver, enabling 800G+ per wavelength for 90-100Gbaud data transmission rates

NeoPhotonics Corp of San Jose, CA, USA (a vertically integrated designer and manufacturer of hybrid photonic integrated optoelectronic modules and subsystems for high-speed communications networks) has added Class 50 versions of its micro coherent driver modulator (CDM) and coherent receiver to its suite of high-bandwidth coherent components.

Class 50 coherent components improve on the currently shipping Class 40 components, and allow the symbol rate to be increased from the existing 64Gbaud rate to what is said to be market-leading 90-100Gbaud rate. The new components work together to enable the implementation of single-wavelength data transmission at near to 1 Terabit per second over data-center interconnect (DCI) distances.

The new Class 50 components for 100GBaud transmission are designed to work with the emerging new generation of coherent digital signal processors (DSPs) based on the 7nm silicon process node and triple the symbol rate over standard 100Gbps (32GBaud) coherent systems. Higher symbol rates increase data capacity while maintaining superior optical single-to-noise ratio (OSNR), spectral density and reach performance. All of these components are available in compact-form-factor packages suitable for use in pluggable modules and compact daughter cards:

Class 50 CDM: NeoPhotonics Class 50 polarization-multiplexed quadrature coherent driver modulator (CDM) features a co-packaged indium phosphide (InP) modulator with a linear, high-bandwidth, differential driver, and is designed for low V-Pi, low insertion loss and a high extinction ratio. The compact package is designed to be compliant with the form factor of the OIF Implementation Agreement #OIF-HB-CDM-01.0.
Class 50 Micro-ICR: NeoPhotonics Class 50 high-bandwidth micro-intradyne coherent receiver (Micro-ICR) is designed for 90-100GBaud symbol rates, tripling the rate of standard 100G ICRs. The compact package is designed to be compliant with the OIF Implementation Agreement OIF-DPC-MRX-02.0.

In addition, NeoPhotonics has introduced a ‘Nano’ ultra-narrow-linewidth external cavity tunable laser that cuts the size approximately in half compared with existing micro-ITLAs (integrable tunable laser assemblies), while featuring what is claimed to be industry-leading linewidth with low electrical power consumption.

“We are currently providing our customers with a matched suite of high-speed Class 40, 64Gbaud optical components to support current 600G per wavelength systems, and the addition of Class 50 versions will continue to support our customers as they move to 90-100Gbaud and nearly 1 Terabit per wavelength,” says chairman & CEO Tim Jenks. “As new generations of electronics become available, it is crucial that the optical components are available to complete the suite, in this case realizing near 1 Terabit per second on a single wavelength.”

NeoPhotonics is exhibiting its suite of coherent components for 600G to 1 Terabit, along with its broad family of products for high-speed applications, in booth 2923 at the Optical Networking and Communication Conference & Exhibition (OFC 2019) in San Diego, CA, USA (5-7 March).

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