Energy-efficient and temperature-stable oxide-confined 980 nm VCSELs operating error-free at 38 Gbit/s at 85°C

Author

Li, Huaqing ; Wolf, Philip ; Moser, Philip ; Larisch, Gunter ; Mutig, Alex ; Lott, James A. ; Bimberg, Dieter

Author_Institution

Inst. fur Festkorperphys., Tech. Univ. Berlin, Berlin, Germany

Volume

50

Issue

2

fYear

2014

fDate

January 16 2014

Firstpage

103

Lastpage

105

Abstract

980 nm vertical-cavity surface-emitting lasers (VCSELs) operating error-free at 38 Gbit/s at 85°C with record 177 fJ of dissipated heat per bit are presented. The VCSELs are particularly well suited for short, very-short and ultra-short-reach interboard, chip-to-chip and intrachip optical interconnects, where temperature stability, bandwidth and VCSEL density and the minimisation of waste heat are critical. Error-free operation at 40 Gbit/s at 75°C and at 42 Gbit/s at 25°C is achieved. To date, 980 nm VCSELs are the most energy-efficient of all VCSELs at 85°C at any wavelength.

Keywords

laser cavity resonators; laser stability; quantum well lasers; surface emitting lasers; bit rate 38 Gbit/s; bit rate 40 Gbit/s; bit rate 42 Gbit/s; density; energy 177 fJ; energy-efficient temperature-stable oxide-confined VCSEL; error-free operation; temperature 25 degC; temperature 75 degC; temperature 85 degC; temperature stability; ultrashort-reach interboard chip-to-chip optical interconnect; ultrashort-reach intrachip optical interconnect; vertical-cavity surface-emitting lasers; waste heat minimisation; wavelength 980 nm;

fLanguage

English

Journal_Title

Electronics Letters

Publisher

iet

ISSN

0013-5194

Type

jour

DOI

10.1049/el.2013.3941

Filename

6729334