Fast wavelength-tunable laser system using Fabry-Perot laser...

Details Fast wavelength-tunable laser system using Fabry-Perot laser... Fast wavelength-tunable laser system using Fabry-Perot laser...

2006-04-11

2006-04-11

Vo, Tuyet (Department: 2821)

Coherent light generators

Particular beam control device

Tuning

C372S006000, C372S011000

Reexamination Certificate

active

07027471

ABSTRACT:
The invention relates to a laser system using a multi-longitudinal-mode Fabry-Perot laser diode as an inter-injection light source and a gain cavity formed by other laser diodes of such type so as to achieve the function of fast wavelength switching, so that it is possible to achieve repetitively fast switching of wavelength by varying and controlling the bias voltage of maximum optical gain in said inter-injection type multi-longitudinal-mode Fabry-Perot laser diode so as to achieve three different wavelengths with tuning range of 3.5 nm for a side-mode suppression ratio (SMSR) greater than 19 dB and a response time of wavelength switching in the order of nanosecond.

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patent: 6519060 (2003-02-01), Liu
“Dynamic Responses of Widely Tunable Sampled Grating DBR Lasers” San-Liang Lee, Daniel A. Tauber, Vijay Jayaraman, et al. IEEE Photonics Technology Letters, vol. 8, No. 12, pp. 1597-1599, Dec. 1996.
“Record output power (25mW) across C-band from widely tunable GCSR lasers without additional SOA” Y. Gustafsson, S. Hammerfeldt, J. Hammersberg, et al. Electronics Letters, vol. 39, No. 3, pp. 292-293, Feb. 6, 2003.
“Widely tunable continuous-wave InGaAsP/InP sampled grating lasers” v. Jayaraman, M.E. Heimbuch, L.A. Coldren and S.P. DenBaars Electronics Letters, vol. 30, No. 18, pp. 1492-1494.

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