W. H. HUANG, Y. AMITAI and A. A. FRIESEM

Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 76100, Israel

(Received August 5, 2002; Revised October 9, 2002; Accepted October 30, 2002)

Volume phase transmission gratings, that have high and uniform diffraction efficiency regardless of polarization of the incident light over a broad wavelength range, have been designed and recorded. Such gratings were incorporated successfully into a novel compact configuration of a coarse wavelength division demultiplexer. Calculated and experimental results of such gratings, and a compact four-channel demultiplexer operating in the 1500 nm to 1600 nm range are presented.

Key words: volume phase transmission grating; compact configuration; coarse wavelength division multiplexing and demultiplexing (CWDM and CWDDM)