Measurement of high time-bandwidth pulses on a chip with SPIDER | Zendy

Alessia Pasquazi | Zendy; Marco Peccianti | Zendy; Roberto Morandotti | Zendy; José Azaña | Zendy; David Moss | Zendy

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Measurement of high time-bandwidth pulses on a chip with SPIDER

Author(s) -

Alessia Pasquazi,

Marco Peccianti,

Roberto Morandotti,

José Azaña,

David Moss

Publication year - 2012

Publication title -

photonics letters of poland

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.184

H-Index - 16

ISSN - 2080-2242

DOI - 10.4302/plp.2012.1.04

Subject(s) - ultrashort pulse , frequency resolved optical gating , physics , optics , picosecond , oscilloscope , interferometry , photonics , pulse shaping , optoelectronics , bandwidth limited pulse , laser , detector

We develop a method capable of characterizing both the amplitude and phase of ultrafast optical pulses with the aid of a synchronized incoherently-related clock pulse based on a novel variation of SPIDER. It exploits degenerate four-wave-mixing and its design is amenable for full "on chip" signal characterization. By implementing our method in a CMOS compatible waveguide, we measure pulses with < 100mW peak power, a frequency bandwidth > 1THz, and up to 100ps pulsewidths. Our novel reconstruction algorithm that we call Fresnel-Limited Extraction Procedure (FLEA), yields a time-bandwidth product (TBP)>100

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