1.12GHz Opto-Acoustic Oscillator

1.12GHz Opto-Acoustic Oscillator

We report on the development of a GHz Opto-Acoustic Oscillator (OAO) using an air gap capacitively actuated silicon optomechanical resonator. An optical sensing technique using optomechanical ring resonators in silicon allows for observation of the mechanical resonances of electrostatically excited...

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Hauptverfasser: Sridaran, S., Bhave, S. A.
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Sprache:eng
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Optical imaging
Optical modulation
Optical ring resonators
Optical sensors
Oscillators
Resonant frequency
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description We report on the development of a GHz Opto-Acoustic Oscillator (OAO) using an air gap capacitively actuated silicon optomechanical resonator. An optical sensing technique using optomechanical ring resonators in silicon allows for observation of the mechanical resonances of electrostatically excited resonators up to 3.5GHz. Using amplifiers to compensate for losses, we demonstrate an oscillator operating at 1.12GHz with 8.8dBm output RF power and a phase noise of -85 dBc/Hz at 10 kHz offset.
doi_str_mv 10.1109/MEMSYS.2012.6170274
format Conference Proceeding
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A.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>1.12GHz Opto-Acoustic Oscillator</atitle><btitle>2012 IEEE 25th International Conference on Micro Electro Mechanical Systems (MEMS)</btitle><stitle>MEMSYS</stitle><date>2012-01</date><risdate>2012</risdate><spage>664</spage><epage>667</epage><pages>664-667</pages><issn>1084-6999</issn><isbn>9781467303248</isbn><isbn>1467303240</isbn><eisbn>9781467303255</eisbn><eisbn>1467303259</eisbn><abstract>We report on the development of a GHz Opto-Acoustic Oscillator (OAO) using an air gap capacitively actuated silicon optomechanical resonator. An optical sensing technique using optomechanical ring resonators in silicon allows for observation of the mechanical resonances of electrostatically excited resonators up to 3.5GHz. 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subjects Optical imaging
Optical modulation
Optical ring resonators
Optical sensors
Oscillators
Resonant frequency
title 1.12GHz Opto-Acoustic Oscillator
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