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Entries in transmitter and receiver optical subassembly (1)

Sunday
May302021

Lumentum talks switching & signalling developments

In detailing some of its recent product announcements and the associated optical networking trends, Lumentum provides useful pointers to watch out for at the upcoming OFC virtual conference and exhibition event in June.

Brandon Collings

Lumentum detailed recently its high-bandwidth coherent driver modulator (HB-CDM) that operates at a symbol rate up to 96 gigabaud (GBd).

"Lumentum is working with a decent number of network equipment makers (NEMs) on their high-performance coherent offerings using the HB-CDM component," says Brandon Collings, CTO of Lumentum.

The 96GBd device supports modulation formats from dual polarisation quadrature phase-shift keying (DP-QPSK) to 64-ary quadrature amplitude modulation (DP-64QAM) and when used with an appropriate coherent digital signal processor (DSP), the device supports up to 800-gigabit wavelengths.

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