Abstract

Simple multicolor electro-optic sampling-based femtosecond synchronization of multiple mode-locked lasers is demonstrated. Parallel timing error detection between each laser and a common microwave is achieved by wavelength division multiplexing and demultiplexing. The parallel timing error detection enables simultaneous femtosecond synchronization of more than two mode-locked lasers to the microwave oscillator, even when the lasers have different repetition rates. The residual root-mean-square (rms) timing jitter of laser–laser synchronization measured by an optical cross correlator is 2.6 fs (integration bandwidth, 100 Hz–1 MHz), which is limited by the actuator bandwidth in the laser oscillator. The long-term rms timing drift and frequency instability of laser–microwave synchronization are 7.1 fs (over 10,000 s) and ${5.5} \times {{10}^{- 18}}$ (over 2000 s averaging time), respectively. As a versatile and reconfigurable tool for laser–laser and laser–microwave synchronization, the demonstrated method can be used for various applications ranging from ultrafast x-ray and electron science facilities to dual- and triple-comb spectroscopy.

© 2020 Optical Society of America

Full Article  |  PDF Article
More Like This
Subfemtosecond synchronization of microwave oscillators with mode-locked Er-fiber lasers

Kwangyun Jung and Jungwon Kim
Opt. Lett. 37(14) 2958-2960 (2012)

Synchronization of mode-locked femtosecond lasers through a fiber link

Darren D. Hudson, Seth M. Foreman, Steven T. Cundiff, and Jun Ye
Opt. Lett. 31(13) 1951-1953 (2006)

Simple-structured, subfemtosecond-resolution optical-microwave phase detector

Chan-Gi Jeon, Yongjin Na, Bong-Wan Lee, and Jungwon Kim
Opt. Lett. 43(16) 3997-4000 (2018)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (4)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription