CHRONOS

Route to On-Chip Resonating Optical Clocks via Nonlinear Optics

Coordinatore	UNIVERSITY OF SUSSEX    more  Organization address address: Sussex House city: FALMER, BRIGHTON postcode: BN1 9RH contact info Titolo: Ms. Nome: Rossana Cognome: Dowsett Email: send email Telefono: +44 1273 678238 Fax: +44 1273 678192
Nazionalità Coordinatore	United Kingdom [UK]
Totale costo	187˙414 €
EC contributo	187˙414 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2012-IIF
Funding Scheme	MC-IIF
Anno di inizio	2013
Periodo (anno-mese-giorno)	2013-08-01   -   2015-07-31

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITY OF SUSSEX  Organization address address: Sussex House city: FALMER, BRIGHTON postcode: BN1 9RH contact info Titolo: Ms. Nome: Rossana Cognome: Dowsett Email: send email Telefono: +44 1273 678238 Fax: +44 1273 678192	UK (FALMER, BRIGHTON)	coordinator	187˙414.80
2	UNIVERSITA DEGLI STUDI DI ROMA LA SAPIENZA  Organization address address: Piazzale Aldo Moro 5 city: ROMA postcode: 185 contact info Titolo: Prof. Nome: Egidio Cognome: Longo Email: send email Telefono: 390650000000 Fax: 39064454913	IT (ROMA)	participant	0.00

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 Obiettivo del progetto (Objective)

'“Measure what is measurable, and make measurable what is not so” (Galileo). Optical frequency comb sources are devices capable to emit light with a comb spectrum composed by narrow lines (i.e. colours) with a fixed frequency spacing. Their introduction gave to Science powerful clockworks capable to measure the frequency of the light and create ultrafast clocks with unprecedented accuracy, unveiling new science in astronomy, geology, biology and many other fields. Their importance in optical metrology has been recognized in the 2005 Nobel Award to T. W. Hänsch. The possibility to miniaturize these sources with strategies meeting the requirements of current electronic platforms would not only produce cheap and low consumption optical sources for ultrafast optical communication and metrological applications, but could bring a greater revolution in the current microchip technology, promoting a “photonic transition” of microelectronics. The recent realization of optical frequency comb sources by exploiting miniaturized resonators represents a fundamental advance towards this direction. However, the impact of these optical sources depends on the full understanding and control of their spectral phase: only when this control is achieved, these devices can be effectively exploited as ultrafast optical clocks. A mode-locking mechanism shaping the phase toward pulse generation was only recently tackled by the applicant and appears a viable solution: this scheme consists in embedding a nonlinear micro-resonator in a fibre laser cavity. It can be considered the precursor of a family of devices implementing phase control by exploiting nested cavities with different nonlinear roles. This project addresses in details this new class of designs, starting from the underlying physics, targeting in perspective the realization of on-chip precision optical clocks with ultra-high repetition rates.'