Title :
Continuous tuning of silicon Raman laser for molecular spectroscopy
Author :
Sih, Vanessa ; Kuo, Ying-hao ; Rong, Haisheng ; Xu, Shengbo ; Paniccia, Mario ; Cohen, Oded ; Raday, Omri
Author_Institution :
Intel Corp., Santa Clara
Abstract :
This work demonstrates continuous (mode-hop free) tuning of a single-mode silicon Raman laser over more than 20 GHz range which is broad enough to cover typical molecular transitions in gasses at room temperature, and allows to perform infrared absorption spectroscopy measurements of methane. Wider mode-hop free tuning could be obtained by controlling the temperature of the laser chip in sync with the tuning of the pump laser wavelength. The coarse tuning range of the laser is only limited by the pump laser´s wavelength.
Keywords :
Raman lasers; elemental semiconductors; infrared spectra; infrared spectroscopy; integrated optoelectronics; laser tuning; organic compounds; p-i-n diodes; rib waveguides; semiconductor lasers; silicon; silicon-on-insulator; waveguide lasers; Si; absorption spectroscopy; methane; mode-hop free tuning; molecular spectroscopy; molecular transitions; pump laser wavelength; silicon-on-insulator p-i-n rib waveguide; single-mode silicon Raman laser continuous tuning; Gas lasers; Infrared spectra; Laser excitation; Laser modes; Laser transitions; Laser tuning; Pump lasers; Raman scattering; Silicon; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-0931-0
Electronic_ISBN :
978-1-4244-0931-0
DOI :
10.1109/CLEOE-IQEC.2007.4386120
