Title :
Reduced spectral linewidth (≪ 0.6 MHz) in L-band wavelength tunable DFB laser array
Author :
Ishii, Hiroyuki ; Kasaya, Kazuo ; Oohashi, Hiromi
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi
Abstract :
A wavelength tunable DFB laser array is fabricated with a new design for spectral linewidth reduction. A narrow linewidth of <0.6 MHz is obtained over the entire tuning range (~40 nm) with a high fiber output power of 20 mW.
Keywords :
distributed feedback lasers; laser beams; laser tuning; semiconductor laser arrays; DFB laser array; L-band wavelength tunable; fiber output power; high fiber output power; power 20 mW; reduced spectral linewidth; spectral linewidth reduction; tuning range; Distributed feedback devices; L-band; Laser feedback; Laser modes; Laser tuning; Optical arrays; Optical tuning; Power generation; Semiconductor optical amplifiers; Tunable circuits and devices;
Conference_Titel :
Semiconductor Laser Conference, 2008. ISLC 2008. IEEE 21st International
Conference_Location :
Sorrento
Print_ISBN :
978-1-4244-1782-7
Electronic_ISBN :
978-1-4244-1783-4
DOI :
10.1109/ISLC.2008.4636054
