All-fiber bidirectional optical parametric oscillator for precision sensing

R. Gowda, N. Nguyen, J. C. Diels, Robert A Norwood, Nasser N Peyghambarian, Khanh Q Kieu

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We present the design and operation of an all-fiber, synchronously pumped, bidirectional optical parametric oscillator (OPO) for precision sensing applications. The fiber-based OPO (FOPO) generates two frequency combs with identical repetition rates but different carrier offset frequencies. A narrow beatnote was observed with full-width at half-maximum (FWHM) linewidth of <10 Hz when the two frequency combs were overlapped on a photodetector. The all-fiber design removes the need for free-space alignment and adjustment. In addition, an external delay line to overlap the two pulse trains in time on the detector is not needed since our unique design provides automatic delay compensation. We expect the novel FOPO to find important applications in precision measurements including rotation sensing with ultra-large sensing area and sensitivity.

Original languageEnglish (US)
Pages (from-to)2033-2036
Number of pages4
JournalOptics Letters
Volume40
Issue number9
DOIs
StatePublished - 2015

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parametric amplifiers
fibers
carrier frequencies
delay lines
photometers
repetition
adjusting
alignment
sensitivity
detectors
pulses

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

All-fiber bidirectional optical parametric oscillator for precision sensing. / Gowda, R.; Nguyen, N.; Diels, J. C.; Norwood, Robert A; Peyghambarian, Nasser N; Kieu, Khanh Q.

In: Optics Letters, Vol. 40, No. 9, 2015, p. 2033-2036.

Research output: Contribution to journalArticle

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