Title :
Controllable anomalous dispersion and group index nulling via bi-frequency Raman gain for ultraprecision rotation sensing
Author :
Pati, G.S. ; Tripathi, R. ; Messall, M. ; Gopal, V. ; Salit, K. ; Shahriar, M.S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Northwestern Univ., Evanston, IL
Abstract :
Using a bi-frequency pumped Raman amplifier in a Rb vapor cell, we demonstrate experimentally the condition for achieving a null group index, necessary for fast-light enhanced rotation sensing in a passive cavity Sagnac gyroscope.
Keywords :
Raman lasers; laser beams; measurement by laser beam; optical pumping; rotation measurement; rubidium; solid lasers; Rb; bi-frequency Raman gain; bi-frequency pumped Raman amplifier; controllable anomalous dispersion; fast-light enhanced rotation sensing; group index nulling; passive cavity Sagnac gyroscope; rubidium vapor cell; ultraprecision rotation sensing; Dispersion; Frequency; Gyroscopes; Laser beams; Laser excitation; Optical resonators; Probes; Pump lasers; Resonance; Stimulated emission; 120.5790 Sagnac effect; 190.5530 Pulse propagation and solitons;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4629099
