40 Gb/s PAM-4 transmitter IC for long-wavelength VCSEL links

Wouter Soenen, Renato Vaernewyck, Xin Yin, Silvia Spiga, Markus Christian Amann, Kamalpreet S. Kaur, Paraskevas Bakopoulos, Johan Bauwelinck

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

30 Zitate (Scopus)

Abstract

Conventional 850 nm multimode fiber links deployed in warehouse-scale data centers will be limited by modal dispersion beyond 10 Gb/s when covering distances up to 1 km. This can be resolved by opting for a single-mode fiber (SMF), but typically requires the use of power-hungry edge-emitting lasers. We investigate the feasibility of a high-efficiency SMF link by reporting a 0.13 innodatamum SiGe BiCMOS laser diode driver optimized for long-wavelength vertical-cavity surface-emitting lasers (VCSELs). Bit-error rate experiments at 28 and 40 Gb/s up to 1 km of SMF reveal that four-level pulse amplitude modulation can compete with non-return-to-zero in terms of energy efficiency and scalability. With 9.4 pJ/b, the presented transmitter paves the way for VCSEL-based SMF links in data centers.

OriginalspracheEnglisch
Aufsatznummer6963333
Seiten (von - bis)344-347
Seitenumfang4
FachzeitschriftIEEE Photonics Technology Letters
Jahrgang27
Ausgabenummer4
DOIs
PublikationsstatusVeröffentlicht - 15 Feb. 2015

Fingerprint

Untersuchen Sie die Forschungsthemen von „40 Gb/s PAM-4 transmitter IC for long-wavelength VCSEL links“. Zusammen bilden sie einen einzigartigen Fingerprint.

Dieses zitieren