Dear Prof. Dr. Yu,

I am pleased to inform you that your revised manuscript, referenced below, has been accepted for publication in Applied Physics Letters, and materials are being prepared for sending to AIP Production Services.

When your manuscript enters the production process, you will receive an email from the APL production office with further instructions. Direct all questions pertaining to papers in the production process to the contact information supplied in that e-mail. Be sure to include your manuscript number (APL25-AR-06955R) on all correspondence.