Direct chip-scale optical frequency divider via regenerative harmonic injection locking
Abstract
A novel optical frequency division technique, called regenerative harmonic injection locking, is used to transfer the timing stability of an optical frequency comb with a repetition rate in the millimeter wave range ( ∼ 300 G H z ) to a chip-scale mode-locked laser with a ∼ 10 G H z repetition rate. By doing so, the 300 GHz optical frequency comb is optically divided by a factor of 30 × to 10 GHz. The stability of the mode-locked laser after regenerative harmonic injection locking is ∼ 10 − 12 at 1 s with a 1 / τ trend. To facilitate optical frequency division, a coupled opto-electronic oscillator is implemented to assist the injection locking process. This technique is exceptionally power efficient, as it uses less than 100 µ W of optical power to achieve stable locking.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Feb 12, 2021
- Source ID
- 10.1364/ol.413335
Entities
People
- Ashish Bhardwaj
- Fred Kish
- Gloria E. Hoefler
- Lawrence R. Trask
- Peter J. Delfyett
- Ricardo Bustos-Ramirez
Organizations
- Consejo Nacional de Humanidades, Ciencias y Tecnologías
- Defense Advanced Research Projects Agency
- Infinera
- National Science Foundation
- University of Central Florida