Title :
Terahertz chirp generation using frequency stitched VCSELs for increased LIDAR resolution
Author :
Vasilyev, Arseny ; Satyan, Naresh ; Rakuljic, George ; Yariv, Amnon
Author_Institution :
Dept. of Appl. Phys. & Mater. Sci., California Inst. of Technol., Pasadena, CA, USA
Abstract :
We stitch the frequency chirps of two vertical-cavity surface-emitting lasers in a frequency-modulated imaging experiment at 1550nm. The effective frequency excursion is 1 THz, corresponding to a free-space axial resolution of 150 micrometers.
Keywords :
chirp modulation; frequency modulation; laser cavity resonators; microwave photonics; optical modulation; optical radar; semiconductor lasers; surface emitting lasers; terahertz wave generation; LIDAR resolution; free-space axial resolution; frequency 1 THz; frequency chirps; frequency excursion; frequency stitched VCSEL; frequency-modulated imaging; terahertz chirp generation; vertical-cavity surface-emitting lasers; wavelength 1550 nm; Biomedical optical imaging; Chirp; Image resolution; Optical feedback; Optical imaging; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Print_ISBN :
978-1-4673-1839-6
