Broadband optical frequency comb generation with flexible frequency spacing and center wavelength

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

Standard

Broadband optical frequency comb generation with flexible frequency spacing and center wavelength. / Yu, Siyuan; Bao, Fangdi; Hu, Hao.

In: I E E E Photonics Journal, Vol. 10, No. 3, 2018.

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

Harvard

APA

CBE

MLA

Vancouver

Author

Bibtex

@article{c3095ae3dec94063b0fb2b63b56bbe53,
title = "Broadband optical frequency comb generation with flexible frequency spacing and center wavelength",
abstract = "A broad-band optical frequency comb with flexible frequency spacing and center wavelength is proposed and experimentally demonstrated. The proposed scheme consists of a single continuous-wave laser, cascaded Mach-Zehnder modulator (MZM) and phase modulator (PM), two-stage dispersion-flattened highly nonlinear fibers (DF-HNLFs) and a single-mode fiber (SMF) in between. A narrow-band frequency comb is generated in the MZM and PM and a broad-band frequency comb is achieved by self-phase modulation (SPM) based spectral broadening in DF-HNLFs. Since the DF-HNLF has low dispersion over a wide wavelength range, the central wavelength of the generated frequency comb can be tuned from 1535 nm to 1564 nm. In addition, the central wavelength of frequency comb has a potential to be extended to L-band according to the dispersion profile of the DF-HNLF and the operation bandwidths of the MZM and PM. By tuning the driving radio-frequency (RF) signal, the frequency spacing of the generated frequency comb can be tuned. In the experiment, the frequency spacing of 25 GHz and 40 GHz has been achieved.",
keywords = "Fiber non-linear optics, Frequency combs, Dispersion (waves), Fiber , Fiber optics systems",
author = "Siyuan Yu and Fangdi Bao and Hao Hu",
year = "2018",
doi = "10.1109/JPHOT.2018.2832842",
language = "English",
volume = "10",
journal = "I E E E Photonics Journal",
issn = "1943-0655",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "3",

}

RIS

TY - JOUR

T1 - Broadband optical frequency comb generation with flexible frequency spacing and center wavelength

AU - Yu, Siyuan

AU - Bao, Fangdi

AU - Hu, Hao

PY - 2018

Y1 - 2018

N2 - A broad-band optical frequency comb with flexible frequency spacing and center wavelength is proposed and experimentally demonstrated. The proposed scheme consists of a single continuous-wave laser, cascaded Mach-Zehnder modulator (MZM) and phase modulator (PM), two-stage dispersion-flattened highly nonlinear fibers (DF-HNLFs) and a single-mode fiber (SMF) in between. A narrow-band frequency comb is generated in the MZM and PM and a broad-band frequency comb is achieved by self-phase modulation (SPM) based spectral broadening in DF-HNLFs. Since the DF-HNLF has low dispersion over a wide wavelength range, the central wavelength of the generated frequency comb can be tuned from 1535 nm to 1564 nm. In addition, the central wavelength of frequency comb has a potential to be extended to L-band according to the dispersion profile of the DF-HNLF and the operation bandwidths of the MZM and PM. By tuning the driving radio-frequency (RF) signal, the frequency spacing of the generated frequency comb can be tuned. In the experiment, the frequency spacing of 25 GHz and 40 GHz has been achieved.

AB - A broad-band optical frequency comb with flexible frequency spacing and center wavelength is proposed and experimentally demonstrated. The proposed scheme consists of a single continuous-wave laser, cascaded Mach-Zehnder modulator (MZM) and phase modulator (PM), two-stage dispersion-flattened highly nonlinear fibers (DF-HNLFs) and a single-mode fiber (SMF) in between. A narrow-band frequency comb is generated in the MZM and PM and a broad-band frequency comb is achieved by self-phase modulation (SPM) based spectral broadening in DF-HNLFs. Since the DF-HNLF has low dispersion over a wide wavelength range, the central wavelength of the generated frequency comb can be tuned from 1535 nm to 1564 nm. In addition, the central wavelength of frequency comb has a potential to be extended to L-band according to the dispersion profile of the DF-HNLF and the operation bandwidths of the MZM and PM. By tuning the driving radio-frequency (RF) signal, the frequency spacing of the generated frequency comb can be tuned. In the experiment, the frequency spacing of 25 GHz and 40 GHz has been achieved.

KW - Fiber non-linear optics

KW - Frequency combs

KW - Dispersion (waves)

KW - Fiber

KW - Fiber optics systems

U2 - 10.1109/JPHOT.2018.2832842

DO - 10.1109/JPHOT.2018.2832842

M3 - Journal article

VL - 10

JO - I E E E Photonics Journal

JF - I E E E Photonics Journal

SN - 1943-0655

IS - 3

ER -