Efficient Bragg-like operation of intracavity low-efficiency plane gratings

Abstract : The diffraction regime of a thin grating inserted in a Fabry-Perot cavity is investigated. Our calculations show that, at Bragg incidence, a single diffraction order can be selectively enhanced, giving rise to a very efficient Bragg-like diffraction regime. The optimization of the device is studied as a function of the resonator thickness and finesse and the grating position inside the Fabry-Perot cavity. The angular and wavelength selectivities are also investigated. The device could be easily integrated and would be very useful for optical signal processing applications.
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Aurélie Moreau, Isabelle Zaquine, Alain Maruani, Robert Frey. Efficient Bragg-like operation of intracavity low-efficiency plane gratings. Journal of the Optical Society of America B, Optical Society of America, 2005, 22 (11), pp.2289. ⟨hal-00862293⟩

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