Title :
A 40-Gb/s integrated balanced optical front end and RZ-DPSK performance
Author :
Sinsky, Jeffrey H. ; Adamiecki, Andrew ; Burrus, Charles A. ; Chandrasekhar, S. ; Leuthold, Juerg ; Wohlgemuth, Oliver
Author_Institution :
Lucent Technol. Bell Labs, Holmdel, NJ, USA
Abstract :
We have designed and built an integrated balanced optical front end suitable for detecting RZ-DPSK transmissions when used with an external delay-interferometer. We have achieved an optically preamplified sensitivity of -35.7 dBm at a BER of 10/sup -9/ and an optical signal-to-noise ratio of 18.3 dB in a 0.1-nm bandwidth at 40 Gb/s. To the best of our knowledge, this is the first demonstration of 40-Gb/s RZ-DPSK reception with an integrated hybrid optical front end.
Keywords :
delays; differential phase shift keying; optical modulation; optical receivers; sensitivity; 40 Gbit/s; Gb/s integrated balanced optical front end; RZ-DPSK performance; RZ-DPSK reception; RZ-DPSK transmissions detection; differential phase shift keying; external delay-interferometer; integrated hybrid optical front end; optical signal-to-noise ratio; optically preamplified sensitivity; Delay; Differential quadrature phase shift keying; High speed integrated circuits; High speed optical techniques; Integrated optics; Optical modulation; Optical receivers; Optical sensors; Optical transmitters; Signal to noise ratio;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2003.815305
