Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes

H. Kiuchi, Tetsuya Kawanishi, M. Yamada, T. Sakamoto, M. Tsuchiya, J. Amagai, M. Izutsu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper discusses the possibility of applying the high extinction ratio optical modulator to a high stability and high frequency (over 100 GHz) optical reference signal generator. High-frequency reference signals are generated by a highly stable optical two-tone generator. ALMA (Atacama Large Millimeter/sub-millimeter Array) is a high-frequency radio interferometer array currently under development, and each of the ALMA antennas has a 10-band receiver, and its highest receiving frequency reaches 950 GHz. To receive such high frequencies, higher reference frequency is required for the 1st local (as much as over 100 GHz), and stability to maintain the signal coherence is also required. To address these issues, we have developed a new method to generate and transmit a reference signal in the form of frequency difference between two coherent light waves. One method to generate two optical signals is producing them from a pair of laser sources using optical phase lock loop for feed back control, however, optical phase lock loop has a stability problem in its operation. A good alternative method to the optical phase lock scheme is the LiNbO3 Mach-Zehnder optical intensity modulator which is capable of generating two highly stable optical signals (upper sideband and lower sideband components) by applying a sinusoidal microwave signal to an input laser signal. The two optical signals require phase stability better than 10-13 in the Allan standard deviation, vibration robustness and polarization maintaining capability. The signal coherence loss estimated from the phase stability of the two optical signals generated by the Mach-Zehnder modulator shows that the modulator has the ability to generate highly stable optical signals.

Original languageEnglish
Title of host publicationProgress in Electromagnetics Research Symposium
PublisherElectromagnetics Academy
Pages428-431
Number of pages4
Volume1
ISBN (Print)9781618390530
Publication statusPublished - 2008
Externally publishedYes
EventProgress in Electromagnetics Research Symposium 2008, PIERS 2008 Hangzhou - Hangzhou, China
Duration: 2008 Mar 242008 Mar 28

Other

OtherProgress in Electromagnetics Research Symposium 2008, PIERS 2008 Hangzhou
CountryChina
CityHangzhou
Period08/3/2408/3/28

Fingerprint

Radio telescopes
Millimeter waves
Photonics
Modulators
Phase stability
Mach number
Signal generators
Lasers
Light modulators
Antenna arrays
Interferometers
Feedback control
Light sources
Microwaves
Polarization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

Cite this

Kiuchi, H., Kawanishi, T., Yamada, M., Sakamoto, T., Tsuchiya, M., Amagai, J., & Izutsu, M. (2008). Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes. In Progress in Electromagnetics Research Symposium (Vol. 1, pp. 428-431). Electromagnetics Academy.

Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes. / Kiuchi, H.; Kawanishi, Tetsuya; Yamada, M.; Sakamoto, T.; Tsuchiya, M.; Amagai, J.; Izutsu, M.

Progress in Electromagnetics Research Symposium. Vol. 1 Electromagnetics Academy, 2008. p. 428-431.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kiuchi, H, Kawanishi, T, Yamada, M, Sakamoto, T, Tsuchiya, M, Amagai, J & Izutsu, M 2008, Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes. in Progress in Electromagnetics Research Symposium. vol. 1, Electromagnetics Academy, pp. 428-431, Progress in Electromagnetics Research Symposium 2008, PIERS 2008 Hangzhou, Hangzhou, China, 08/3/24.
Kiuchi H, Kawanishi T, Yamada M, Sakamoto T, Tsuchiya M, Amagai J et al. Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes. In Progress in Electromagnetics Research Symposium. Vol. 1. Electromagnetics Academy. 2008. p. 428-431
Kiuchi, H. ; Kawanishi, Tetsuya ; Yamada, M. ; Sakamoto, T. ; Tsuchiya, M. ; Amagai, J. ; Izutsu, M. / Photonic millimeter-wave generation and distribution system applicable to the ALMA radio telescopes. Progress in Electromagnetics Research Symposium. Vol. 1 Electromagnetics Academy, 2008. pp. 428-431
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