The effect of laser chirping on lightwave system performance
Journal Article
·
· J. Lightwave Technol.; (United States)
OSTI ID:5774443
Directly modulated semiconductor lasers exhibit a dynamic wavelength shift (chirping) arising from gain-induced variations of the laser refractive index. The effect of laser chirping on the performance of multigigabit-per-second rate lightwave systems operating at a wavelength of 1550 nm is investigated. Models suitable for computer-aided analysis are used to describe the dynamic response of the laser and the propagation of chirped optical pulses through a step-index single-mode optical fiber. A truncated pulse train, Gauss quadrature rule method is used to evaluate the average bit error rate of the receiver. This permits pattern effects in the transmitted optical waveform due to the laser dynamics and nonlinear optical power transmission properties of optical fibers to be included in the system model. The influence that modulation and device parameters have on the receiver sensitivity is assessed.
- Research Organization:
- Hughes Research Labs., Malibu, CA (USA)
- OSTI ID:
- 5774443
- Journal Information:
- J. Lightwave Technol.; (United States), Journal Name: J. Lightwave Technol.; (United States) Vol. 7:3; ISSN JLTED
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
AMPLIFICATION
DYNAMICS
FIBERS
FREQUENCY MODULATION
GAIN
GAUSSIAN PROCESSES
LASERS
MECHANICS
MODULATION
NONLINEAR PROBLEMS
OPTICAL FIBERS
OPTICAL PROPERTIES
OPTICS
PERFORMANCE
PHYSICAL PROPERTIES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SOLID STATE LASERS
VARIATIONS
WAVE FORMS
WAVELENGTHS
420300* -- Engineering-- Lasers-- (-1989)
AMPLIFICATION
DYNAMICS
FIBERS
FREQUENCY MODULATION
GAIN
GAUSSIAN PROCESSES
LASERS
MECHANICS
MODULATION
NONLINEAR PROBLEMS
OPTICAL FIBERS
OPTICAL PROPERTIES
OPTICS
PERFORMANCE
PHYSICAL PROPERTIES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SOLID STATE LASERS
VARIATIONS
WAVE FORMS
WAVELENGTHS