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Title :THz wave generation using frequency stabilized laser diodes
Authors :Minamisawa, Yasuhito
Nimonji, Toshiya
Nakano, Kenji
Sato, Takashi
Ohkawa, Masashi
Publisher :International Society for Optical Engineering, SPIE
Issue Date :Feb-2012
Journal Title :Proceedings of SPIE - the International Society for Optical Engineering
Volume :8255
Start Page :82551L-1
End Page :82551L-8
ISSN :0277-786X
Description :Physics and simulation of optoelectronic devices 20 : 23-26 January 2012 : San Francisco, California, United States : Jan 2012, San Francisco, CA
Abstract :A laser diode (LD) has been used in many areas, such as optical communication systems. However, its oscillation frequency changes, with variations in ambient temperature and injection current, so its frequency stabilization is of vital importance. In these situations, Rb saturated absorption spectroscopy is the method of choice. We use the beat signal, both for the purpose of evaluating frequency stability between two independently stabilized LDs, and for generating THz waves. This work shows a basic experiment using our beat signal observation, by high-speed photodetector. In addition, we have also used a frequency-stabilized etalon, to improve frequency selectivity.
Keywords :laser diode
oscillation frequency
Rb absorption line
generation of Thzwave
Type Local :会議発表論文
Language :eng
Format :application/pdf
URI :http://hdl.handle.net/10191/31052
fullTextURL :http://dspace.lib.niigata-u.ac.jp/dspace/bitstream/10191/31052/1/8255_82551L.pdf
DOI :info:doi/10.1117/12.908275
Rights :Copyright 2012 Society of Photo-Optical Instrumentation Engineers
Appears in Collections:06 SPIE

Please use this identifier to cite or link to this item: http://hdl.handle.net/10191/31052