Laboratory;
of;
Optical;
Physics,;
Institute;
of;
Physics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100190,;
China;
Research;
Centre;
of;
Laser;
Physics;
and;
Technique,;
Key;
Lab;
of;
Functional;
Crystal;
and;
Laser;
Technology,;
Technical;
Institute;
of;
Physics;
and;
Chemistry,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100190,;
China;
Graduate;
University;
of;
the;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;