公开(公告)号：US20150253645A1

公开(公告)日：2015-09-10

申请号：US14710660

申请日：2015-05-13

Applicant: NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY

Inventor： IAN CODDINGTON ,  LAURA SINCLAIR ,  NATHAN R. NEWBURY ,  LINDSAY SONDERHOUSE ,  WILLIAM C. SWANN

IPC: G02F1/35 ,  H01S3/067 ,  G02F1/355 ,  G02B6/024 ,  G02B6/12 ,  G02F1/377 ,  G02F1/365 ,  H01S3/11

CPC classification number: G02F1/3532 ,  G02F1/365 ,  G02F1/3775 ,  G02F2001/3528 ,  G02F2203/56 ,  H01S3/0057 ,  H01S3/0092 ,  H01S3/06712 ,  H01S3/06754 ,  H01S3/1118

Abstract: A frequency comb article includes: an oscillator to produce an oscillator frequency comb that includes: a first power; and a first optical bandwidth; a fiber amplifier to receive the oscillator frequency comb from the oscillator and to produce an amplifier frequency comb based on the oscillator frequency comb, the amplifier frequency comb includes: a second power that is greater than the first power; and a second optical bandwidth that is greater than the first optical bandwidth; a nonlinear fiber to receive the amplifier frequency comb from the fiber amplifier and to produce a spectrally broadened frequency comb based on the amplifier frequency comb, the spectrally broadened frequency comb including a third optical bandwidth that is greater than the second optical bandwidth; a frequency doubler to receive the spectrally broadened frequency comb from the nonlinear fiber and to provide a doubled frequency comb including: a plurality of fundamental frequencies from the spectrally broadened frequency comb; and a plurality of doubled frequencies, based on the plurality of fundamental frequencies; and an interferometer to receive the doubled frequency comb from frequency doubler and to provide a signal frequency comb based on the doubled frequency comb, the signal frequency comb including the plurality of doubled frequencies that is temporally overlapped and spatially overlapped with the plurality of fundamental frequencies, the fiber amplifier and the nonlinear fiber include a polarization maintaining fiber, and the oscillator, frequency doubler, and interferometer are entirely polarization maintaining.

Abstract translation: 频率梳制品包括：振荡器，用于产生振荡器频率梳，其包括：第一功率; 和第一光学带宽; 光纤放大器，从振荡器接收振荡器频率梳，并根据振荡器频率梳产生放大器频率梳，放大器频率梳包括：大于第一功率的第二功率; 以及大于所述第一光学带宽的第二光学带宽; 一种非线性光纤，用于从光纤放大器接收放大器频率梳，并且基于放大器频率梳产生频谱扩展的频率梳，频谱扩展的频率梳包括大于第二光学带宽的第三光学带宽; 频率倍增器，用于从非线性光纤接收频谱扩展的频率梳，并提供双倍频率梳，包括：来自频谱扩展的频率梳的多个基本频率; 以及基于所述多个基本频率的多个倍频; 以及干涉仪，用于从倍频器接收双倍频率梳，并且基于所述双倍频率梳提供信号频率梳，所述信号频率梳包括与所述多个基本频率在时间上重叠并在空间上重叠的多个倍频， 光纤放大器和非线性光纤包括偏振保持光纤，振荡器，倍频器和干涉仪完全是极化保持。