Abstract

The frequency of a wavelength standard at 1542 nm (194 THz) developed in CMI for the telecommunication band C was measured with a fiber femtosecond frequency comb. The measurement was done for three transitions of acetylene 13C2H2: P(14), P(15) and P(16). The results agree well with values in the recommendation for Practical realization of the definition of the metre [1] and even better with recent measurements made in NMIJ/AIST [2,3] - the differences are lower than 2 kHz (or 1×10-11 rel.) for all three transitions. This agreement is significant considering the fact that the CMI laser uses an extremely simple spectroscopic arrangement and substantially lower saturation power.

© 2005 Optical Society of America

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References

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  1. RECOMMENDATION CCL 2c (2003), <a href=http://www1.bipm.org/utils/en/pdf/CCL-2003-2c-EN.pdf.>http://www1.bipm.org/utils/en/pdf/CCL-2003-2c-EN.pdf<a>.
  2. A. Onae, K. Okumura, F.-L. Hong, and H. Matsumoto, �??Accurate frequency atlas of 1.5 µm band of acetylene measured by a mode-locked fiber laser,�?? presented at the 2004 Conference on Precision Electromagnetic Measurements, London, United Kingdom, 27 June �?? 2 July, 2004. Digest 666-667, Th2d1.
  3. J. Jiang, A. Onae, H. Matsumoto, and F. Hong, "Frequency measurement of acetylene-stabilized lasers using a femtosecond optical comb without carrier-envelope offset frequency control," Opt. Express 13, 1958-1965 (2005), <a href =http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-6-1958> http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-6-1958<a>.
    [CrossRef] [PubMed]
  4. T. J. Quinn, �??Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001),�?? Metrologia 40, 103-133 (2003).
    [CrossRef]
  5. A. Czajkowski, J. E. Bernard, A. A. Madej, and R. S. Windeler, �??Absolute frequency measurement of acetylene transitions in the region of 1540 nm,�?? Appl. Phys. B 79, 45-50 (2004).
    [CrossRef]
  6. C. S. Edwards, H. S. Margolis, G. P. Barwood, S. N. Lea, P. Gill, G. Huang, and W. R. C. Rowley, �??Absolute frequency measurement of a 1.5-µm acetylene standard by use of a combined frequency chain and femtosecond comb,�?? Opt. Lett. 29, 566-568 (2004).
    [CrossRef] [PubMed]
  7. C. S. Edwards, H. S. Margolis, G. P. Barwood, S. N. Lea, P. Gill and W. R. C. Rowley, "High-accuracy frequency atlas of 13C2H2 in the 1.5 µm region," Appl. Phys. B 80, 977-983 (2005).
    [CrossRef]
  8. P. Balling and P. K�?en, Development of wavelength standard at 1542 nm: acetylene stabilized DFB laser, in WDS'05 Proceedings of Contributed Papers: Part III - Physics, J. Safrankova, ed. (Prague, Matfyz press, 2005) pp. 590-594. <a href=http://www.mff.cuni.cz/veda/konference/wds/contents/pdf05/WDS05_104_f6_Balling.pdf >http://www.mff.cuni.cz/veda/conference/wds/contents/pdf05/WDS05_104_f6_Balling.pdf</a>.
  9. P. Balling and P. K�?en, �??Frequency (wavelength) standards for optical communications,�?? Final report Nr 8014-TR-Z002-04 to CMI Technical development project Nr. TR 480142, �?MI-LPM Prague, 6th January 2005 (in Czech).
  10. P. Kubina, P. Adel, F. Adler, G. Grosche, T. W. Hänsch, R. Holzwarth, A. Leitenstorfer, B. Lipphardt, and H. Schnatz, "Long term comparison of two fiber based frequency comb systems," Opt. Express 13, 904-909 (2005), <a href=http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-3-904 >http://www.opticsexpress.org.abstract.cfm?URI=OPEX-13-3-904</a>.
    [CrossRef] [PubMed]
  11. J. Lazar, B. Růži�?ka, and O. �?íp, "Etalon of optical frequency for the telecommunication spectral region" in Proceedings of SPIE - Optical Metrology in Production Engineering, Strasbourg, 5457, 240-244 (2004)

2004 Conference on Precision Electromagn

A. Onae, K. Okumura, F.-L. Hong, and H. Matsumoto, �??Accurate frequency atlas of 1.5 µm band of acetylene measured by a mode-locked fiber laser,�?? presented at the 2004 Conference on Precision Electromagnetic Measurements, London, United Kingdom, 27 June �?? 2 July, 2004. Digest 666-667, Th2d1.

Appl. Phys. B

A. Czajkowski, J. E. Bernard, A. A. Madej, and R. S. Windeler, �??Absolute frequency measurement of acetylene transitions in the region of 1540 nm,�?? Appl. Phys. B 79, 45-50 (2004).
[CrossRef]

C. S. Edwards, H. S. Margolis, G. P. Barwood, S. N. Lea, P. Gill and W. R. C. Rowley, "High-accuracy frequency atlas of 13C2H2 in the 1.5 µm region," Appl. Phys. B 80, 977-983 (2005).
[CrossRef]

Metrologia

T. J. Quinn, �??Practical realization of the definition of the metre, including recommended radiations of other optical frequency standards (2001),�?? Metrologia 40, 103-133 (2003).
[CrossRef]

Opt. Express

Opt. Lett.

Proceedings of SPIE

J. Lazar, B. Růži�?ka, and O. �?íp, "Etalon of optical frequency for the telecommunication spectral region" in Proceedings of SPIE - Optical Metrology in Production Engineering, Strasbourg, 5457, 240-244 (2004)

WDS'05 Proceedings

P. Balling and P. K�?en, Development of wavelength standard at 1542 nm: acetylene stabilized DFB laser, in WDS'05 Proceedings of Contributed Papers: Part III - Physics, J. Safrankova, ed. (Prague, Matfyz press, 2005) pp. 590-594. <a href=http://www.mff.cuni.cz/veda/konference/wds/contents/pdf05/WDS05_104_f6_Balling.pdf >http://www.mff.cuni.cz/veda/conference/wds/contents/pdf05/WDS05_104_f6_Balling.pdf</a>.

Other

P. Balling and P. K�?en, �??Frequency (wavelength) standards for optical communications,�?? Final report Nr 8014-TR-Z002-04 to CMI Technical development project Nr. TR 480142, �?MI-LPM Prague, 6th January 2005 (in Czech).

RECOMMENDATION CCL 2c (2003), <a href=http://www1.bipm.org/utils/en/pdf/CCL-2003-2c-EN.pdf.>http://www1.bipm.org/utils/en/pdf/CCL-2003-2c-EN.pdf<a>.

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Figures (3)

Fig. 1.
Fig. 1.

Schematic of acetylene stabilized laser.

Fig. 2.
Fig. 2.

Stability and repeatability of acetylene-stabilized laser relative to fs comb during nearly three hours of measurement of transition P(16)

Fig. 3.
Fig. 3.

Stability of acetylene-stabilized laser relative to fs comb (with output fiber, squares) and relative to another acetylene-stabilized laser (without output fiber, circles)

Tables (2)

Tables Icon

Table 1. Operating parameters and frequency shift coefficients of acetylene-stabilized lasers [8]

Tables Icon

Table 2. The frequencies of three acetylene transitions and comparison to previously published values (in Hz)

Metrics