Modulated millimeter-wave generation by external injection of a gain switched laser

H. Shams; P. Perry; P. M. Anandarajah; L. P. Barry

doi:10.1109/LPT.2011.2108277

Modulated millimeter-wave generation by external injection of a gain switched laser

H. Shams, P. Perry, P. M. Anandarajah, L. P. Barry

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We propose and experimentally demonstrate a novel technique for optical generation of modulated millimeter-wave (mm-wave) by using a gain switched laser (GSL) that is externally injected with a modulated light source. The GSL generates a stream of optical pulses, and these pulses exhibit a small shift in the time domain when the GSL is injected with an on-off keyed (OOK) optical data signal. This time shift can produce a phase modulated mm-wave signal at 60 GHz by suitable optical filtering of the GSL laser output. The system performance was analyzed for data streams at 1.25 Gb/s by using bit-error-rate (BER) measurements for back-to-back (BTB) and 3-km fiber transmission.

Original language	English
Article number	5701658
Pages (from-to)	447-449
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	23
Issue number	7
Early online date	24 Jan 2011
DOIs	https://doi.org/10.1109/LPT.2011.2108277
Publication status	Published (in print/issue) - 1 Apr 2011

Keywords

All-optical up-conversion
gain-switching
millimeter-wave (mm-wave) generation
optical fiber communication
radio-over-fiber (RoF)

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10.1109/LPT.2011.2108277

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abstract = "We propose and experimentally demonstrate a novel technique for optical generation of modulated millimeter-wave (mm-wave) by using a gain switched laser (GSL) that is externally injected with a modulated light source. The GSL generates a stream of optical pulses, and these pulses exhibit a small shift in the time domain when the GSL is injected with an on-off keyed (OOK) optical data signal. This time shift can produce a phase modulated mm-wave signal at 60 GHz by suitable optical filtering of the GSL laser output. The system performance was analyzed for data streams at 1.25 Gb/s by using bit-error-rate (BER) measurements for back-to-back (BTB) and 3-km fiber transmission.",

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Modulated millimeter-wave generation by external injection of a gain switched laser

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