Distribution system for optical reference
First Claim
Patent Images
1. A system for distributing a reference timing signal comprising:
- a clock comprising;
a reference oscillator arranged to generate the reference timing signal;
a femtosecond laser configured to produce a femtosecond laser pulse sequence stabilized by the reference oscillator; and
at least one beamsplitter configured to split the femto second laser pulse sequence into one or more split laser pulse sequences,one or more remote nodes that are spaced from the clock, and configured to generate distributed timing signals corresponding to the reference timing signal, based on associated ones of the one or more split laser pulse sequences, anda noise reducer for each remote node configured to stabilize a phase of an associated one of the split laser pulse sequences based on a reflected version of the split laser pulse sequence that is reflected from the remote node.
1 Assignment
0 Petitions
Accused Products
Abstract
A system for distributing a reference oscillator signal includes a clock having a reference oscillator and a femtosecond laser stabilized by the reference oscillator. The system also includes at least one beamsplitter configured to split the femtosecond laser. The system further includes one or more remote nodes that are spaced from the clock. The remote nodes are configured to generate reference signals based on the split femtosecond laser.
19 Citations
22 Claims
-
1. A system for distributing a reference timing signal comprising:
-
a clock comprising; a reference oscillator arranged to generate the reference timing signal; a femtosecond laser configured to produce a femtosecond laser pulse sequence stabilized by the reference oscillator; and at least one beamsplitter configured to split the femto second laser pulse sequence into one or more split laser pulse sequences, one or more remote nodes that are spaced from the clock, and configured to generate distributed timing signals corresponding to the reference timing signal, based on associated ones of the one or more split laser pulse sequences, and a noise reducer for each remote node configured to stabilize a phase of an associated one of the split laser pulse sequences based on a reflected version of the split laser pulse sequence that is reflected from the remote node.
-
-
2. A system for distributing a reference timing signal comprising:
-
a clock comprising; a reference oscillator arranged to generate the reference timing signal; a femtosecond laser configured to produce a femtosecond laser pulse sequence stabilized by the reference oscillator; and at least one beamsplitter configured to split the femto second laser pulse sequence into one or more split laser pulse sequences, one or more remote nodes that are spaced from the clock, and configured to generate distributed timing signals corresponding to the reference timing signal, based on associated ones of the one or more split laser pulse sequences, and a transfer laser configured to generate a frequency reference locked to a femtosecond frequency comb associated with the reference oscillator, wherein the one or more remote nodes are configured to generate the distributed timing signals based on the frequency reference from the transfer laser. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
-
-
10. A method for distributing a reference timing signal comprising:
-
generating, at a reference oscillator, a reference timing signal; producing, with a femtosecond laser, a femtosecond laser pulse sequence stabilized by the reference oscillator; splitting the femto second laser pulse sequence into one or more split laser pulse sequences; generating, at one or more remote nodes spaced from the clock and associated with the one or more split laser pulse sequences, distributed timing sequences corresponding to the reference timing signal, based on the femto second laser pulse sequence; and generating, with a transfer laser, a transfer laser frequency reference locked to a femtosecond frequency comb associated with the femtosecond laser pulse sequence; wherein generating the distributed timing sequences is further based on the transfer laser frequency reference. - View Dependent Claims (11, 12, 13, 14, 15)
-
-
16. A clock comprising:
-
a reference oscillator; a femtosecond laser configured to produce a femtosecond laser pulse sequence stabilized by the reference oscillator; and a beamsplitter in a path of the femtosecond laser pulse sequence, configured to redirect at least a portion of the femtosecond laser pulse sequence to a distribution system; wherein the distribution system comprises a transfer laser configured to produce a frequency reference that is locked to the femtosecond laser pulse sequence, and one or more beamsplitters configured to distribute the frequency reference of the transfer laser to one or more remote nodes. - View Dependent Claims (17, 18)
-
-
19. A system for distributing a reference timing signal comprising:
-
a clock comprising a reference oscillator arranged to generate the reference timing signal, and a femtosecond laser configured to produce a femtosecond laser pulse sequence stabilized by the reference oscillator; at least one beamsplitter configured to split the femto second laser pulse sequence into one or more split laser pulse sequences; and a transfer laser configured to generate a frequency reference locked to a femto second frequency comb associated with the reference oscillator; and one or more remote nodes that are spaced from the clock that are configured to generate distributed timing signals based on associated ones of the one or more split laser pulse sequences, wherein to generate the distributed timing signals, each of the one or more remote nodes are configured to generate a remote femto second laser frequency comb and lock the remote femto second laser frequency comb to the frequency reference of the transfer laser. - View Dependent Claims (20, 21, 22)
-
Specification