Four-amplitude shift keying-single sideband millimeter-wave signal generation with frequency sextupling based on optical phase modulation

Peng Wu; Jianxin Ma

doi:10.1117/1.OE.56.3.036111

23 March 2017 Four-amplitude shift keying-single sideband millimeter-wave signal generation with frequency sextupling based on optical phase modulation

Peng Wu, Jianxin Ma

Author Affiliations +

Optical Engineering, Vol. 56, Issue 3, 036111 (March 2017). https://doi.org/10.1117/1.OE.56.3.036111

Abstract

We have proposed and demonstrated a scheme to generate a frequency-sextupling amplitude shift keying (ASK)-single sideband optical millimeter (mm)-wave signal with high dispersion tolerance based on an optical phase modulator (PM) by ably using the−4th-order and +2nd-order sidebands of the optical modulation. The ASK radio frequency signal, superposed by a local oscillator with the same frequency, modulates the lightwave via an optical PM with proper voltage amplitudes, the +2nd-order sideband carries the ASK signal with a constant slope while the −4th-order sideband maintains constant amplitude. These two sidebands can be abstracted by a wavelength selective switch to form a dual-tone optical mm-wave with only one tone carrying the ASK signal. As only one tone bears the ASK signal while the other tone is unmodulated, the generated dual-tone optical mm-wave signal has high dispersion tolerance.

Citation Download Citation

Peng Wu and Jianxin Ma "Four-amplitude shift keying-single sideband millimeter-wave signal generation with frequency sextupling based on optical phase modulation," Optical Engineering 56(3), 036111 (23 March 2017). https://doi.org/10.1117/1.OE.56.3.036111

Received: 19 January 2017; Accepted: 8 March 2017; Published: 23 March 2017

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KEYWORDS

Amplitude shift keying

Modulation

Signal generators

Phase modulation

Signal detection

Neodymium

Radio optics

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