Methods for robust channel switching of widely-tunable...

Details Methods for robust channel switching of widely-tunable... Methods for robust channel switching of widely-tunable...

2005-03-15

2005-03-15

Davie, James (Department: 2828)

Coherent light generators

Particular beam control device

Tuning

C372S029020, C372S032000, C372S050121

Reexamination Certificate

active

06868100

ABSTRACT:
The present invention describes methods and apparatus for reliably assuring that correct mirror currents are selected during a channel switch to achieve the desired wavelength channel, based on feedback from either internal or external means combined with a mode map obtained at a time zero calibration.

REFERENCES:
patent: 5838714 (1998-11-01), Delorme
patent: WO 9940654 (1999-08-01), None
patent: WO 0052789 (2000-09-01), None
Jayaraman, Vijasekhar et al.,Theory, Design, and Performance of Extended Tuning Range Semiconductor Lasers with Sampled Gratings, IEEE J. Quantum Elec., vol. 29, No. 6, pp. 1824-1834, Jun. 1993.
Mawatari, Hiroyasu,Lasing Wavelength Changes Due to Degradation in Buried Heterostructure Distributed Bragg Reflector Lasers, J. of Lightwave Technology, vol. 17, No. 5, May 1999, pp. 918-923.

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