Title :
Generation of Variable-Phase Millimeter Wave Signals Using an Optical Pulse
Author :
Bhattacharya, Madhumita ; Chattopadhyay, Taraprasad
Author_Institution :
Gushkara Mahavidyalaya, Burdwan
Abstract :
In this paper, a simple method of generation of mm-wave signal using an optical pulse source is proposed. The components required for the proposed mm-wave generator are commercially available. The phase of the generated mm-wave signal can be varied over the range of 0 to 2pi radian simply by varying the DC voltage applied to the electrooptic phase shifter. The R1N noise of the source mode-locked laser diode is calculated to be dramatically reduced through injection locking in this scheme. The phase noise of the generated mm-wave will be very small leading to a narrow linewidth of the mm-wave signal.
Keywords :
electro-optical devices; laser mode locking; microwave photonics; millimetre wave generation; millimetre wave phase shifters; optical phase shifters; optical pulse generation; semiconductor lasers; electrooptic phase shifter; injection locking; mm-wave generator; optical pulse source; source mode-locked laser diode; variable-phase millimeter wave signal generation; DC generators; Diode lasers; Millimeter wave technology; Noise reduction; Optical noise; Optical pulse generation; Optical pulses; Phase shifters; Signal generators; Voltage; electrooptic phase shifter; fiber-optic radio; millimeter wave; optical injection locking; optical pulse;
Conference_Titel :
Signal Processing, Communications and Networking, 2008. ICSCN '08. International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4244-1924-1
Electronic_ISBN :
978-1-4244-1924-1
DOI :
10.1109/ICSCN.2008.4447170
