Universal Photonic Interconnect for Data Centers

Tb/s class, copackaged coarse wavelength division multiplexing optical engine based on four wavelength vertical cavity surface emitting lasers (VCSELs) around 1 \mu m is presented. The capability to scale bandwidth of 64 Gb/s using equalization and advanced modulation scheme, e.g., four-level pulse...

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Veröffentlicht in:	Journal of lightwave technology 2018-01, Vol.36 (2), p.175-180
Hauptverfasser:	Tan, Michael R. T., Rosenberg, Paul, Sorin, Wayne V., Wang, Binhao, Mathai, Sagi, Panotopoulos, George, Rankin, Glenn
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptive optics Bandwidth Data centers Equalization Error correction Fiber optic links and subsystems Fiber optic networks High-speed optical techniques Integrated optics Optical crosstalk Optical fiber communication optical interconnects Photonics Pulse amplitude modulation Vertical cavity surface emission lasers Vertical cavity surface emitting lasers Wavelength division multiplexing
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Beschreibung
Zusammenfassung:	Tb/s class, copackaged coarse wavelength division multiplexing optical engine based on four wavelength vertical cavity surface emitting lasers (VCSELs) around 1 \mu m is presented. The capability to scale bandwidth of 64 Gb/s using equalization and advanced modulation scheme, e.g., four-level pulse amplitude modulation (PAM4) is demonstrated. The capability to scale link distance of 2 km using single-mode VCSELs and standard SMF-28 fiber is demonstrated. Single-mode VCSELs error-free transmission at 25 Gb/s NRZ over 2 km of SMF-28 is achieved. Using forward-error-correction error-free transmission is possible for the PAM4 modulation over 2 km of SMF-28.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2017.2747501