Title :
Performance characteristics of high speed laser diodes under thermal-irradiated operating conditions
Author :
El-Badawy, EI-Sayed A. ; Mohammed, Abd EI-Naser A ; El-Abyad, G.E.M. ; Tabbour, Mohammed S F
Author_Institution :
Alexandria Higher Inst. of Eng. & Technol. (AIET), Alexandria, Egypt
Abstract :
In the present paper, the performance characteristics of high speed laser diodes based on vertical cavity surface emitting laser (VCSEL) are deeply and parametrically investigated under thermal-irradiated operating conditions. The processed characteristics are: the harmonic response transfer function, the resonance frequency, 3-dB bandwidth, and the rise time. These diodes affect the transmitted bit-rate in high-speed advanced optical communication systems. The effects of both ambient temperature (and consequently the inner temperature), the injected current (power), and the dose of irradiation are deeply investigated. The pulse rise time and the resonance frequency as well as the 3-dB bandwidth are the major criterions of the device speed. Nonlinear relations are correlated to investigate the power-current and the voltage-current dependences of the devices.
Keywords :
high-speed optical techniques; laser cavity resonators; laser variables measurement; optical communication equipment; optical interconnections; optical transfer function; semiconductor lasers; surface emitting lasers; thermo-optical effects; ambient temperature; damping frequency; harmonic response transfer function; high-speed advanced optical communication systems; high-speed optical interconnection; injected current; neutron radiation; nonlinear correlation; power-current characteristics; pulse rise time; resonance frequency; thermal-irradiated operating condition; transmitted bit-rate; vertical cavity surface emitting laser diode; voltage-current characteristics; wavelength 850 nm; Bandwidth; Diode lasers; Optical fiber communication; Optical pulses; Resonance; Resonant frequency; Surface emitting lasers; Temperature; Transfer functions; Vertical cavity surface emitting lasers; High speed laser diodes; Thermal irradiated operation; Thermally-irradiated laser diodes; VCSEL; vertical cavity surface emitting laser;
Conference_Titel :
High-Capacity Optical Networks and Enabling Technologies (HONET), 2009 6th International Symposium on
Conference_Location :
Alexandria
Print_ISBN :
978-1-4244-5992-6
DOI :
10.1109/HONET.2009.5423082
