Directly-modulated diode lasers with reduced overshoot

Details Directly-modulated diode lasers with reduced overshoot Directly-modulated diode lasers with reduced overshoot

2008-02-07

2010-02-02

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Modulation

C372S029013, C372S029014, C372S038080

Reexamination Certificate

active

07656914

ABSTRACT:
An optical signal is produced from a direct modulation resonant cavity device, such as directly-modulated diode laser having an electrode divided into multiple sections. Each section is driven with an electrical waveform such that a time delay is introduced between sections so as to ensure that the different sections reach their peaks at slightly different times.

REFERENCES:
patent: 4669086 (1987-05-01), Kaede et al.
patent: 5502741 (1996-03-01), Carroll et al.
“Faster modulation of single-mode semiconductor lasers through patterned current switching: numerical investigation”, N. Dokhane and G.L. Lippi, IEE Proc. -Optoelectron, vol. 151, No. 2, Apr. 2004, pp. 61-68.
“Improvement of the Direct Modulation Behavior of Semiconductor Lasers by Using a Holding Beam”, G. Morthier, et al., IEEE Photonics Technology Letters, vol. 16, No. 7, Jul. 2004, pp. 1616-1618.
“Shaping Current Waveforms For Direct Modulation of Semiconductor Lasers”, Lucas Illing et al., IEEE Journal of Quantum Electronics, vol. 40, No. 5, May 2004, pp. 445-452.

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