Title :
A monolithically integrated optical heterodyne receiver
Author :
Xia, Fengnian ; Datta, Shubhashish ; Forrest, Stephen R.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., NJ, USA
Abstract :
We demonstrate a monolithically integrated optical heterodyne receiver consisting of an input fiber waveguide, a single frequency distributed Bragg reflector (DBR) laser, a multimode interferometer-based 3-dB coupler, and a pair of semiconductor optical amplifier (SOA)/p-i-n modules using a single epitaxial growth based on asymmetric twin-waveguide (ATG) technology. The input signal was coupled into a fiber waveguide and mixed with the DBR local oscillator laser through the 3-dB coupler, and then coupled into the SOA/p-i-n modules for detection. Using this monolithically integrated optical receiver with a wide-band rectifier narrow-band amplifier receiver, a 3-GHz frequency modulated coherent analog optical link is demonstrated.
Keywords :
distributed Bragg reflector lasers; frequency modulation; heterodyne detection; integrated optics; light interferometers; optical couplers; optical fibres; optical links; optical receivers; semiconductor optical amplifiers; 3 GHz; asymmetric twin waveguide; distributed Bragg reflector laser; fiber waveguide; frequency modulated coherent analog optical link; monolithically integrated optical heterodyne receiver; multimode interferometer coupler; p-i-n modules; semiconductor optical amplifier; Distributed Bragg reflectors; Integrated optics; Optical coupling; Optical fiber couplers; Optical interferometry; Optical mixing; Optical receivers; Optical waveguides; Semiconductor optical amplifiers; Stimulated emission; Asymmetric twin-waveguide (ATG) technology; coherent analog optical link; photonic integrated circuits;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.851031
