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|Author(s):||Esther Baumann; Fabrizio R. Giorgetta; Jeffrey W. Nicholson; William C. Swann; Ian R. Coddington; Nathan R. Newbury;|
|Title:||High-performance, vibration-immune, fiber-laser frequency comb|
|Published:||March 01, 2009|
|Abstract:||We demonstrate an environmentally robust optical frequency comb based on a polarization-maintaining, allfiber, figure-eight laser. The comb is phase locked to a cavity-stabilized cw laser by use of an intracavity electro-optic phase modulator yielding 1.6 MHz feedback bandwidth. This high bandwidth provides close to shot-noise-limited residual phase noise between the comb and cw reference laser of −94 dBc/Hz from 20 Hz to 200 kHz and an integrated in-loop phase noise of 32 mrad from 1 Hz to 1 MHz. Moreover, the comb remains phase locked under significant mechanical vibrations of over 1 g. This level of environmental robustness is an important step toward a fieldable fiber frequency comb.|
|Pages:||pp. 638 - 640|
|Keywords:||fiber laser comb, vibration sensitivity|
|Research Areas:||Optical Metrology|
|PDF version:||Click here to retrieve PDF version of paper (353KB)|