Title :
A MEMS digital mirror for tunable laser wavelength selection
Author :
Zhu, W.M. ; Zhang, W. ; Cai, H. ; Tamil, J. ; Liu, B. ; Bourouina, T. ; Liu, A.Q.
Author_Institution :
Sch. of Electr.&Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
Abstract :
This paper presents a digital mirror for tunable laser wavelength selection using microelectromechanical systems (MEMS) technology. The digital mirror which has discrete reflection spectrum is totally different compared to the current broadband mirrors MEMS tunable lasers . The reflection of the digital mirror can be tuned by digital pumping signals which promise fast output wavelength switching. The experimental results show that the output wavelength of the MEMS tunable laser using the digital mirror has high tuning resolution without increasing the physical length of the internal cavity of the tunable laser. The output wavelength of tuning resolution can reach 0.2 nm and the bandwidth is around 0.04 nm.
Keywords :
laser cavity resonators; laser mirrors; laser tuning; micro-optomechanical devices; micromirrors; optical pumping; MEMS digital mirror technology; broadband mirror MEMS tunable laser; digital pumping signals; discrete reflection spectrum; fast output wavelength switching; microelectromechanical systems; tunable laser internal cavity; tunable laser wavelength selection; Bandwidth; Laser theory; Laser tuning; Microelectromechanical systems; Micromechanical devices; Mirrors; Optical reflection; Pump lasers; Signal resolution; Tunable circuits and devices; Digital mirror; Photonic MEMS; Thermo-optical effect; Tunable laser;
Conference_Titel :
Solid-State Sensors, Actuators and Microsystems Conference, 2009. TRANSDUCERS 2009. International
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-4190-7
Electronic_ISBN :
978-1-4244-4193-8
DOI :
10.1109/SENSOR.2009.5285615
