Opto-electronic oscillators having optical resonators

Details Opto-electronic oscillators having optical resonators Opto-electronic oscillators having optical resonators

H - Electricity

01

S

H01S 3/098 (2006.01) G02F 1/01 (2006.01) H01S 5/0683 (2006.01) H04B 10/12 (2006.01) H04L 7/00 (2006.01)

Patent

CA 2361527

Systems and techniques of incorporating an optical resonator (121) in an optical part of a feedback loop (120) in opto-electronic oscillators (100). This optical resonator (121) provides a sufficiently long energy storage time and hence to produce an oscillation of a narrow linewidth and low phase noise. Certain mode matching conditions are required. For example, the mode spacing of the optical resonator (121) is equal to one mode spacing, or a multiplicity of the mode spacing, of an opto-electronic feedback loop that receives a modulated optical signal and to produce an electrical oscillating signal.

L'invention concerne des systèmes et des techniques qui permettent d'incorporer un résonateur optique (121) à la partie optique d'une boucle de rétroaction (120) de résonateur opto-électronique (100). Ce résonateur optique (121) a un temps de conservation d'énergie suffisamment long pour produire une oscillation ayant une largeur de raie étroite et un bruit de phase faible. Certaines conditions d'appariement de mode sont nécessaires. Le résonateur optique (121) peut avoir par exemple un écart de mode égal à un seul écart ou à une multiplicité d'écarts de mode de la boucle de rétroaction opto-électronique qui reçoit un signal optique modulé. Il produit ainsi un signal oscillant électrique.

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