Title :
Calcite frequency splitter for dense WDM transmitter
Author :
Pietralunga, S. ; Breviario, F. ; Martinelli, M. ; Di Rocco, D.
Author_Institution :
Dipartimento di Elettronica ed Inf., Politecnico di Milano, Italy
Abstract :
An optical frequency splitter employing calcite crystals is demonstrated, to be inserted as a demultiplexer in a multimode transmitting stage for dense WDM architectures. The device operates on the optical state of polarization and is designed to separate four optical channels, /spl ap/39 GHz apart around /spl lambda/=1.5 μm. More than 28 dB of rejection between channels is achieved, while keeping overall losses level below 1 dB. Theoretical calculations and experimental results are presented.
Keywords :
calcium compounds; demultiplexing; light polarisation; optical elements; optical losses; optical transmitters; wavelength division multiplexing; 1 dB; 1.5 mum; CaCO/sub 3/; calcite crystals; calcite frequency splitter; demultiplexer; dense WDM architectures; dense WDM transmitter; multimode transmitting stage; optical channels; optical frequency splitter; optical state of polarization; overall losses level; Birefringence; Demultiplexing; Frequency; Optical design; Optical devices; Optical filters; Optical polarization; Optical transmitters; Solid state circuits; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
