Feedback control of ultra-high-Q microcavities: Application to micro-Raman lasers and microparametric oscillators

Tal Carmon*, Tobias J. Kippenberg, Lan Yang, Hosein Rokhsari, Sean Spillane, Kerry J. Vahala

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate locking of an on-chip, high-Q toroidal-cavity to a pump laser using two, distinct methods: coupled power stabilization and wavelength locking of pump laser to the microcavity. In addition to improvements in operation of previously demonstrated micro-Raman and micro-OPO lasers, these techniques have enabled observation of a continuous, cascaded nonlinear process in which photons generated by optical parametric oscillations (OPO) function as a pump for Raman lasing. Dynamical behavior of the feedback control systems is also shown including the interplay between the control loop and the thermal nonlinearity. The demonstrated stabilization loop is essential for studying generation of nonclassical states using a microcavity optical parametric oscillator.

Original languageEnglish
Pages (from-to)3558-3566
Number of pages9
JournalOptics Express
Volume13
Issue number9
DOIs
StatePublished - 2 May 2005
Externally publishedYes

Fingerprint

Dive into the research topics of 'Feedback control of ultra-high-Q microcavities: Application to micro-Raman lasers and microparametric oscillators'. Together they form a unique fingerprint.

Cite this