Title :
Picosecond switching dynamics of a bistable-wavelength-latch two-segment distributed feedback laser
Author :
Kuznetsov, Maxim
Author_Institution :
AT&T Bell Labs., Holmdel, NJ, USA
Abstract :
The bistable-wavelength-latch operation of a two-segment distributed-feedback laser was observed and characterized. Short electrical trigger pulses were used to demonstrate mode power switching in less than 200 ps with only 450-ps delay between set and reset pulses. Spectrally resolved measurements show transient spectral broadening during the bistable wavelength switching. Fast laser wavelength switching is important for wavelength-division-multiplex photonic switching systems.<>
Keywords :
distributed feedback lasers; frequency division multiplexing; high-speed optical techniques; laser modes; optical bistability; semiconductor junction lasers; spectral line breadth; 200 ps; 450 ps; bistable wavelength switching; bistable-wavelength-latch two-segment distributed feedback laser; electrical trigger pulses; laser wavelength switching; mode power switching; semiconductor lasers; set-reset pulse delay; transient spectral broadening; wavelength-division-multiplex photonic switching systems; Communication switching; Distributed feedback devices; Laser feedback; Laser modes; Optical bistability; Optical feedback; Optical packet switching; Power lasers; Power semiconductor switches; Semiconductor lasers;
Journal_Title :
Photonics Technology Letters, IEEE
