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Interaction between the optical and mechanical
modes in microstructures is a relatively new field that has been subject of
intensive research since 2004. In a high-Q optomechanical cavity
circulating optical power and mechanical displacement are coupled through
optical radiation pressure or E-field gradient force. Beyond their interesting
dynamics, the optomechanically coupled systems are potential candidates for low
power all-optical switching, photonic clock and local oscillator
generation, quantum information processing, photonic RF frequency conversion and mass sensing. In 2010 both Nature
Magazine and Science Magazine have highlighted cavity optomechanics as being
among the most developing research fields in the past decade. We work on physics and application of resonant optomechanical interaction.
Specifically we explore radiation pressure driven oscillators and their
application in RF-Photonic and Photonic Sensing.
Physics and applications of optomechanical oscillator (OMO)
* General properties:
H. Rokhsari, A. Hajimiri and K. J. Vahala, “Characterization of a
radiation-pressure-driven optomechanical oscillator”,
Physical Review A, vol. 74(2), 023813, Aug 2006. (Also appeared on
Virtual Journal of Nanoscale Science & Technology, vol. 14(10), Aug.
Hossein-Zadeh, and K. J. Vahala, "Optomechanical Oscillator on a Silicon
Chip", Invited paper,
Journal of Selected Topics in Quantum Electronics, special issue on Silicon Photonics, vol. 16,
no. 1, pp. 276-287, Jan/Feb 2010.
* Brownian Noise:
Rokhsari, M. Hossein-Zadeh, Ali Hajimiri, and K. J. Vahala, “Brownian
noise in radiation-pressure-driven micromechanical oscillators”,
Applied Physics Letters, vol. 89(6), 261109, Dec 2006.
* Optical spring effect:
Hossein-Zadeh, and K. J. Vahala, “Observation of optical spring effect in a
microtoroidal optomechanical resonator”,
Optics Letters, vol. 32, no. 12, pp. 1611-1613, June
2007.(Also appeared on Virtual Journal of Nanoscale Science & Technology,
vol. 16(4), July 2007)
* Injection locking:
Hossein-Zadeh, and K. J. Vahala, “Observation of injection locking in an
optomechanical RF oscillator”,
Applied Physics Letters, vol. 93, 191115, Nov 2008. (Also appeared on Virtual Journal of
Nanoscale Science & Technology, vol. 18(22), Dec 2008)
* Spectral properties:
F. Liu, and M. Hossein-Zadeh, "On the spectrum of the radiation-pressure -driven optomechanical oscillator and its application in sensing"
Optics Communications, vol. 294, pp. 338-343, March, 2013.
* Stabilization of optomechanical oscillator
K. Huang and M.
Hossein-Zadeh, " Direct stabilization of Optomechanical Oscillators”,
Optics Letters, Vol. 42, No. 10, pp. 1946-1949, May 2017.
*Locking via Acoustic waves
K. Huang and M.
Hossein-Zadeh, " Injection Locking of Optomechanical Oscillators via Acoustic Waves”,
International Conference on Optical MEMS and Nanophotonics (OMN) 2017.
* RF mixing
and K. J. Vahala, “Photonic RF down-converter based on optomechanical
IEEE Photonics Technology Letters, vol. 20, no. 4, pp. 234-236, Feb 2008.
* Mass sensing
F. Liu, and M.
Hossein-Zadeh, "Mass Sensing with Optomechanical Oscillation”, IEEE Sensors, vol 13, no. 1, pp. 146-147, Jan 2013.
F. Liu, Seyedhamidreza Alaie, Zayd C. Leseman, and M.
Hossein-Zadeh, "Sub-pg mass sensing and measurement with an optomechanical oscillator”,
Optics Express, vol. 21, no.17, pp. 19555-19567, Aug 2013.
* Optomechanical RF receiver
F. Liu, and M.
Hossein-Zadeh, " Characterization of Optomechanical RF frequency mixing/down-conversion and its application in photonic RF receivers”,
IEEE Journal of Light Wave Technology, Vol. 32, No. 2, pp. 309-317, Jan 2014.