PHASE SENSITIVE AMPLIFIER AND METHOD FOR PHASE SENSITIVE AMPLIFICATION

• Main Authors: SEKIYA MOTOYOSHI, AKASAKA YOICHI
• Format: Patent
• Language: English; Japanese
• Published: 08.09.2016
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSMISSION

PROBLEM TO BE SOLVED: To provide a method and a system for amplifying an optical signal.SOLUTION: The method and the system includes generating an idler signal for an input signal in a first nonlinear element (NLE) from an optical pump. An intermediate stage having a Raman amplifier performs pump am...