High-sensitivity pulse spectrogram measurement using two-photon absorption in a semiconductor at 15-�m wavelength | Zendy

Kensuke Ogawa | Zendy; Mark Pelusi | Zendy

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High-sensitivity pulse spectrogram measurement using two-photon absorption in a semiconductor at 15-�m wavelength

Author(s) -

Kensuke Ogawa,

Mark Pelusi

Publication year - 2000

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.7.000135

Subject(s) - optics , femtosecond , femtosecond pulse shaping , materials science , chirp , bandwidth limited pulse , multiphoton intrapulse interference phase scan , frequency resolved optical gating , ultrashort pulse , pulse (music) , absorption (acoustics) , optoelectronics , laser , physics , detector

A femtosecond pulse characterization technique is developed using frequency-resolved optical gating based on the two-photon absorption in an InP crystal.The technique provides direct visual monitoring of pulse frequency chirping in the time-spectral domain for femtosecond pulses with a pulse energy as low as 3.8 pJ.Pulse chirping and pedestal wings of 10-GHz optical fiber solitons are characterized experimentally for the first time by this technique.

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