Analysis of a highly efficient phase-locking
stabilization method for electro-optic comb
generation
Posted on 2020-05-21 - 21:33
We theoretically show that a slightly modified Pound-Drever-Hall (PDH) stabilization scheme can lead to the
optimum time domain characteristics for electro-optic comb generators (EOCG). The ideal locking point is located
by analyzing the EOCG output pulse width. By summing up the electrical field reflected by the EOCG front mirror, a
model of the phase-locking error signal is derived with the Jacobi–Anger identical transformation. The simulation
and experiment show that the zero-locking point of the error signal of the modified scheme coincides well with the
ideal locking point in contrast to the direct application of the PDH scheme. Finally, a power efficiency of up to 2.9%
is achieved with this EOCG stabilization scheme. A relative instability of better than 2.6 × 10-8 is demonstrated by a
dual comb interferometer with fixed paths. The Allan deviation of the comb mode frequencies are smaller than 2.8
× 10-9 and 1.1 × 10-10 for average times of 1 s and 100 s, respectively.
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Yang, Ruitao; Pollinger, Florian; Hu, Peng-Cheng; Yang, Hongxing; Fu, Haijin; Zhigang, Fan; et al. (2020). Analysis of a highly efficient phase-locking
stabilization method for electro-optic comb
generation. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4934274.v1
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AUTHORS (7)
RY
Ruitao Yang
FP
Florian Pollinger
PH
Peng-Cheng Hu
HY
Hongxing Yang
HF
Haijin Fu
FZ
Fan Zhigang
JT
Jiubin Tan