Optical injection locking-based amplification in phase-coherent transfer of optical frequencies.
Opt Lett
; 40(18): 4198-201, 2015 Sep 15.
Article
em En
| MEDLINE
| ID: mdl-26371895
ABSTRACT
We demonstrate the use of an optical injection phase locked loop (OIPLL) as a regenerative amplifier for optical frequency transfer applications. The optical injection locking provides high gain within a narrow bandwidth (<100 MHz) and is capable of preserving the fractional frequency stability of the incoming carrier to better than 10(-18) at 1000 s. The OIPLL was tested in the field as a mid-span amplifier for the transfer of an ultrastable optical carrier, stabilized to an optical frequency standard, over a 292 km long installed dark fiber link. The transferred frequency at the remote end reached a fractional frequency instability of less than 1×10(-19) at averaging time of 3200 s.
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MEDLINE
Idioma:
En
Revista:
Opt Lett
Ano de publicação:
2015
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Article