Method and device for wavelength locking

Details Method and device for wavelength locking Method and device for wavelength locking

1996-06-20

1998-08-25

Epps, Georgia Y.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359260, 359638, 356352, 372 32, G02F 103, G02B 2714, G01B 902, H01S 313

Patent

active

057988595

ABSTRACT:
A method and device for wavelength locking is provided, wherein an element having a wavelength dependent characteristic such as a Fabry Perot etalon is used to provide an output signal having an intensity that varies with wavelength. The intensity of a reference signal derived from an input signal is compared with an output from the Fabry Perot etalon to provide a feedback signal that corresponds to the frequency of the input signal. The system is calibrated before wavelength locking is performed to determine a ratio of intensities that determines a locked state or condition.

REFERENCES:
patent: 4309108 (1982-01-01), Siebert
patent: 4856899 (1989-08-01), Iwaoka et al.
patent: 5274659 (1993-12-01), Harvey et al.
Accuwave WLK-2 Wavelength Locker brochure; .COPYRGT. 1994 Accuwave.

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