公开(公告)号：US09110219B1

公开(公告)日：2015-08-18

申请号：US13740137

申请日：2013-01-11

Applicant: University of Southern California

Inventor： Lin Zhang ,  Yan Yan ,  Yang Yue ,  Alan E. Willner

IPC: G02B6/02 ,  G02B6/10 ,  G01N21/25 ,  G01J1/04

CPC classification number: G01J1/0425 ,  G01J3/0259 ,  G01J3/10 ,  G01J9/00 ,  G01J11/00 ,  G02B6/12007 ,  G02B6/122 ,  G02B6/1223 ,  G02F2001/3528

Abstract: Devices and systems which include on-chip waveguides with flattened dispersion are described. In one aspect, silicon nitride slot waveguides that exhibit four zero-dispersion wavelengths with a flattened dispersion over a wavelength range of 500 nm are obtained. The disclosed silicon nitride slot waveguides are used to generate a two-octave supercontinuum from 630 nm to 2650 nm, enabling (a) on-chip generation of 5 fs optical pulses as short as 1.3 cycles, and (b) sensitive single-shot measurements of the absolute carrier-envelope phase using a single integrated waveguide. In another aspect, silicon slot waveguides that exhibits four zero-dispersion wavelengths with a flattened dispersion over a wavelength range of 670-nm are obtained. An octave-spanning supercontinuum is generated in the disclosed silicon slot waveguide, over a wavelength range from 1217 nm to 2451 nm, approximately from bandgap wavelength to half-bandgap wavelength. Input pulses longer that 100 fs can be compressed to 10 fs using the disclosed silicon slot waveguide.

Abstract translation: 描述了包括具有扁平分散体的片上波导的装置和系统。 在一个方面，获得了在500nm波长范围内具有扁平色散的四个零色散波长的氮化硅槽波导。 公开的氮化硅槽波导用于产生从630nm到2650nm的双倍频程超连续谱，使得能够（a）片上产生短达1.3个周期的5fs光脉冲，以及（b）敏感的单次测量 的绝对载波包络相位使用单个集成波导。 在另一方面，获得了在670nm波长范围内具有扁平色散的四个零色散波长的硅槽波导。 在公开的硅槽波导中，在1217nm至2451nm的波长范围内，大致从带隙波长到半带隙波长，产生了一个倍频程跨越超连续谱。 使用所公开的硅槽波导，输入脉冲的长度可以将100fs压缩到10fs。