6.25 GHz Flexible Grid Tuning of Fully Heater-tuned CSG-DR Lasers with Sub-millisecond Wavelength Switching

Katsumi Uesaka,Haruhiko Kuwatsuka,Toshimitsu Kaneko,Ken Tanizawa,Eiichi Banno,Hiroyuki Matsuura,Shu Namiki,Hajime Shoji

european conference on optical communication（2013）

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摘要

A TDA-CSG DR laser with a narrow linewidth of 300 kHz has been controlled to lock on 6.25 GHz resolution flexible grid using two compact 50 GHz-FSR Fably-Perot etalon filters. Fast wavelength switching time of less than 1 msec including feedback control time is also ensured for whole C-band wavelength range.

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关键词

Fabry-Perot interferometers,diffraction gratings,laser tuning,optical communication equipment,optical modulation,semiconductor optical amplifiers,thermo-optical devices,C-band wavelength range,Fabry-Perot etalon filter,TDA-CSG DR laser,feedback control time,flexible grid tuning,frequency 300 kHz,frequency 50 GHz,frequency 6.25 GHz,fully heater-tuned CSG-DR laser,submillisecond wavelength switching,

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