Title :
20-Gbit/s directly modulated buried heterostructure photonic crystal laser with 8.76-fJ/bit operating energy
Author :
Matsuo, Shinji ; Shinya, Akihiko ; Chen, Chin-Hui ; Nozaki, Kengo ; Sato, Tomonari ; Kawaguchi, Yoshihiro ; Notomi, Masaya
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
An ultracompact buried heterostructure photonic crystal nanocavity laser exhibits a small energy cost of 8.76 fJ/bit with 20-Gbit/s modulation by optical pumping. The maximum output power in waveguide and the external differential quantum efficiency are -10.3 dBm and 53%, respectively.
Keywords :
integrated optics; laser cavity resonators; nanophotonics; optical modulation; optical pumping; optical waveguides; photonic crystals; semiconductor lasers; bit rate 20 Gbit/s; directly modulated buried heterostructure photonic crystal laser; external differential quantum efficiency; nanocavity laser; optical pumping; ultracompact buried heterostructure photonic crystal laser; waveguide; Indium phosphide; Laser excitation; Modulation; Optical waveguides; Photonics; Pump lasers; Waveguide lasers;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621364
