Tunable segmented distributed bragg reflector for linear...

Details Tunable segmented distributed bragg reflector for linear... Tunable segmented distributed bragg reflector for linear...

2006-08-29

2006-08-29

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Particular active medium

C372S050110

Reexamination Certificate

active

07099075

ABSTRACT:
Systems and methods for tuning a DBR stack for an optical amplifier. The DBR layers in a mirror of the optical amplifier have a duty cycle that can be altered to tune a location of a channel drop in a gain spectrum. In addition to changing the duty cycle, the DBR stacks can be segmented. The segmented DBR stacks and/or the selected duty cycle tunes a location of a channel drop outside of a range of wavelengths of interest.

REFERENCES:
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patent: 6909536 (2005-06-01), Walker et al.
Kosonocky, et al., “GaAs Laser Amplifiers,”IEEE J. Quantum Electronics, vol. QE-4, No. 4, Apr. 1968, pp. 125-131.
Bachmann, et al., “Polarisation-Insensitive Clamped-Gain SOA with Integreated Spot-size Convertor and DBR Gratings for WDM Applications at 1.55 μm Wavelength,”Electronics Letters, vol. 32, No. 22, Oct. 24, 1996, pp. 2076-2078.

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