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Optics Letters

Optics Letters


  • Vol. 30, Iss. 10 — May. 15, 2005
  • pp: 1183–1185

Input-output relations for a three-port grating coupled Fabry-Perot cavity

A. Bunkowski, O. Burmeister, K. Danzmann, and R. Schnabel  »View Author Affiliations

Optics Letters, Vol. 30, Issue 10, pp. 1183-1185 (2005)

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We analyze an optical three-port reflection grating by means of a scattering matrix formalism. Amplitude and phase relations among the three ports, i.e., the three orders of diffraction, are derived. Such a grating can be used as an all-reflective, low-loss coupler to Fabry-Perot cavities. We derive the input-output relations of a three-port grating coupled cavity and find distinct properties that are not present in two-port coupled cavities. The cavity relations further reveal that the three-port coupler can be designed such that the additional cavity port interferes destructively. In this case the all-reflective, low-loss, single-end Fabry-Perot cavity becomes equivalent to a standard transmissive, two-port coupled cavity.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.1360) Optical devices : Beam splitters

A. Bunkowski, O. Burmeister, K. Danzmann, and R. Schnabel, "Input-output relations for a three-port grating coupled Fabry-Perot cavity," Opt. Lett. 30, 1183-1185 (2005)

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  1. A. Bunkowksi, O. Burmeister, P. Beyersdorf, K. Danzmann, R. Schnabel, T. Clausnitzer, E.-B. Kley, and A. Tünnermann, Opt. Lett. 29, 2342 (2004).
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