Cascaded Raman laser

Details Cascaded Raman laser Cascaded Raman laser

2006-02-07

2006-02-07

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Raman laser

C372S006000

Reexamination Certificate

active

06996135

ABSTRACT:
A cascaded Raman laser (10) has a pump radiation source (12) emitting at a pump wavelength λp, an input section (14) and an output section (16) made of an optical medium. Each section (14, 16) comprises wavelength selectors (141, 142, . . . , 145and161, 162, . . . , 165) for wavelengths λ1, λ2, . . . , λn−k, where n≧3, λp<λ1<λ2< . . . <λn−1<λnand λn−k+1, λn−k+2, . . . , λnbeing k≧1 emitting wavelengths of the laser (10). The laser further comprises an intracavity section (18) that is made of a non-linear optical medium, has a zero-dispersion wavelength λ0and is disposed between the input (14) and the output (16) section. The wavelengths λ1, λ2, . . . , λn−kof the wavelength selectors (141, 142, . . . , 145and161, 162, . . . , 165) and the zero-dispersion wavelength λ0of the intracavity section (18) are chosen such that energy is transferred between different wavelengths by multi-wave mixing.

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patent: 2002/0015219 (2002-02-01), Mohammed
J.-C. Bouteiller et al, “Dual-order Raman pump providing improved noise figure and large gain bandwidth”, OFC 2002 Postdeadline Papers, pp. FB3-1-FB3-3.

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